Thermoking SB-230 Unit For Sale Near Me - Image 2

self-contained, diesel-powered refrigeration unit designed for trailers, part of Thermo King’s SB-30 Series, which also includes the SB-130 and SB-330. Known for its reliability, efficiency, and versatility, the SB-230 is widely used in the transport refrigeration industry to maintain precise temperature control for perishable goods, such as produce, frozen foods, pharmaceuticals, and other temperature-sensitive cargo. This unit is engineered to meet stringent environmental regulations, deliver robust performance, and ensure cargo integrity across long-haul and regional delivery applications. Below, I’ll explore the SB-230’s design, specifications, features, operational capabilities, maintenance requirements, troubleshooting, and its role in the broader transport refrigeration landscape. 1. Introduction to the Thermo King SB-230 Thermo King, a global leader in transport refrigeration, has built a reputation for innovative, durable, and efficient refrigeration solutions since its founding in 1938. The SB-230, part of the SB-30 Series introduced to replace the SB+ Series (SB-110+, SB-210+, SB-310+), represents a culmination of decades of engineering expertise. Launched to address modern challenges like fuel efficiency, emissions compliance, and noise reduction, the SB-230 is designed for single-temperature trailer applications, offering cooling and heating capabilities powered by a diesel engine, with an optional electric standby mode (SB-230 50). The SB-230 is mounted on the front wall of a trailer, with its evaporator extending into the cargo space, ensuring uniform temperature distribution. It operates under the SMART REEFER 3 (SR-3) microprocessor controller, which provides precise temperature management, diagnostics, and telematics integration. The unit is powered by a Thermo King TK486 engine, known for its quiet operation and reliability, making it suitable for both urban and long-haul environments. Its versatility allows it to handle a range of cargo types, from fresh produce at 40°F to frozen fish at -20°F, as noted in industry discussions. 2. Technical Specifications The Thermo King SB-230 is engineered for performance, with specifications that balance capacity, efficiency, and durability. Below is a detailed breakdown of its key technical parameters, drawn from available data and industry standards: • Unit Type: Self-contained, diesel-powered, single-temperature trailer refrigeration unit. • Engine: Thermo King TK486V, 4-cylinder, 25.3 HP, 30 cubic inch displacement, with a 4-quart oil sump. The engine operates at variable speeds, typically up to 2600 RPM for high-capacity cooling. • Refrigerant: R-404A (standard), with a charge of approximately 11.5 pounds, though some sources suggest overcharging issues (e.g., 20 pounds) can occur if leaks are not addressed. • Cooling Capacity: • At 35°F (2°C): ~23,000 BTU/hr (high speed diesel). • At 0°F (-18°C): ~16,000 BTU/hr. • At -20°F (-29°C): ~10,000 BTU/hr. (Exact capacities vary based on ambient conditions and configuration.) • Heating Capacity: Achieved via hot gas bypass, sufficient for maintaining cargo integrity in cold climates. • Electric Standby (SB-230 50): Available with 230 VAC option, offering high-output (HO) or standard configurations for reduced fuel consumption during stationary operation. • Dimensions: • Height: 23.26 inches (590 mm). • Width: 83.46 inches (2120 mm). • Depth: 45.50 inches (1156 mm). • Evaporator protrusion: 8.00 inches (203 mm). • Weight: Approximately 1,800–2,000 lbs, depending on configuration (e.g., fuel tank, standby options). • Fuel Tank: 50-gallon aluminum undermount tank with a visual fuel level gauge and ultrasonic fuel sensor. • Compressor: X430L, designed for efficient cooling with R-404A (R-22 optional in some SB-210 configurations, but not standard for SB-230). • Controller: SMART REEFER 3 (SR-3) microprocessor with OptiSet Plus, ServiceWatch, and CargoWatch for data logging and diagnostics. • Noise Level: Enhanced Whisper™ Low Noise Technology (optional) reduces noise pollution, complying with urban noise ordinances. • Emissions Compliance: Meets CARB (California Air Resources Board) and EPA standards, using R-404A (though R-452A is standard in newer Precedent models). These specifications position the SB-230 as a mid-range unit in the SB-30 Series, offering higher capacity than the SB-130 but lower than the SB-330, making it ideal for medium to large trailers (e.g., 53-foot trailers). 3. Key Features and Technologies The SB-230 incorporates advanced features that enhance its performance, reliability, and user-friendliness. These features reflect Thermo King’s commitment to innovation and sustainability: • SMART REEFER 3 (SR-3) Controller: The SR-3 is a programmable microprocessor that provides precise temperature control, real-time diagnostics, and telematics integration. It supports OptiSet Plus, allowing up to 64 customizable cargo profiles (e.g., for specific produce or frozen goods). The controller includes ServiceWatch for maintenance logging and CargoWatch for temperature and door switch monitoring. • Electronic Throttling Valve (ETV): Enhances refrigeration system control by modulating refrigerant flow, improving efficiency and temperature stability. • Smooth Air™ Blower Assembly: Ensures directional air delivery for uniform temperature distribution, critical for protecting cargo like fresh produce or frozen fish. • SmartPower™ Electric Standby: Available in the SB-230 50 model, this feature allows the unit to operate on shore power (115 or 230 VAC), reducing fuel consumption and emissions during stationary periods. • Whisper™ Quiet Technology: Optional low-noise package reduces sound levels, making the SB-230 suitable for noise-sensitive urban environments. • EMI-3000 with 5-Micron Filter: Extends maintenance intervals by protecting the engine from contaminants, improving longevity. • Fuel Efficiency Features: Includes a fuel pre-filter, ultrasonic fuel sensor, and CYCLE-SENTRY™ (with or without modulation) for optimized fuel consumption based on load demand. • Telematics Integration: Supports TracKing® telematics (24-month free subscription with some units) for real-time monitoring of temperature, fuel levels, and unit status, enhancing fleet management. • Durability Enhancements: Features long-life coolant, silicone hoses, composite exterior panels, and vibration isolation to withstand harsh transport conditions. • CargoWatch Accessories: Includes electronic door switches and temperature sensor kits for enhanced cargo security and monitoring. • Environmental Compliance: Designed to meet CARB and EPA emissions standards, with no Diesel Particulate Filter (DPF) required, unlike some competitors, reducing maintenance costs. • Optional Features: • Fuel heater and frost plug heater for cold-weather operation. • Chrome appearance package for aesthetic customization. • PrimAir bulkhead and duct system for optimized airflow. • Humidity sensor kits for specialized cargo. These features make the SB-230 a versatile, efficient, and user-friendly unit, capable of meeting diverse operational needs while adhering to environmental and regulatory standards. 4. Applications and Use Cases The SB-230 is designed for single-temperature trailer refrigeration, serving industries that require precise temperature control for perishable or sensitive cargo. Its applications include: • Food Transport: Used for fresh produce (e.g., 40°F for vegetables) and frozen goods (e.g., -20°F for fish), as noted in user scenarios where trailers transport produce north and frozen fish south. • Pharmaceuticals: Maintains stable temperatures for vaccines, biologics, and other temperature-sensitive drugs, critical for compliance with Good Distribution Practices (GDP). • Chemicals and Industrial Goods: Supports transport of temperature-sensitive chemicals or materials requiring controlled environments. • Retail and Grocery: Ensures product freshness for supermarket deliveries, supporting just-in-time supply chains. • Catering and Events: Used in refrigerated trailers for large-scale food service at events or festivals. The SB-230’s ability to operate in both chiller and freezer modes, combined with its electric standby option, makes it suitable for long-haul, regional, and urban delivery. Its quiet operation (with Whisper™ technology) is particularly valuable in noise-sensitive areas, such as city centers. 5. Operational Performance The SB-230 delivers robust performance across a range of conditions, as evidenced by its cooling and heating capacities, fuel efficiency, and reliability: • Cooling Performance: The unit achieves rapid pull-down (temperature reduction) and maintains set points with minimal deviation, thanks to the SR-3 controller and ETV. It can cool to -20°F, suitable for frozen goods, and maintain 40°F for fresh produce. • Heating Performance: Hot gas heating ensures cargo protection in sub-zero ambient conditions, critical for winter transport. • Fuel Efficiency: Features like CYCLE-SENTRY™ and modulation optimize engine runtime, reducing fuel consumption compared to continuous-run units. The ultrasonic fuel sensor provides accurate fuel level monitoring, preventing unexpected shutdowns. • Reliability: The TK486V engine, combined with durable components like composite panels and silicone hoses, ensures long-term performance. Units with low engine hours (e.g., 6522 hours) are noted for excellent condition, indicating durability. • Electric Standby: The SB-230 50’s SmartPower™ option reduces emissions and noise during stationary operation, aligning with sustainability goals. User feedback highlights the SB-230’s ability to maintain temperature integrity over long distances, with one unit reported to cool effectively to 20°F with 5513 engine hours. However, improper maintenance (e.g., overcharging refrigerant) can lead to issues like leaks or inefficient cooling, underscoring the need for qualified service. 6. Maintenance and Service Proper maintenance is critical to the SB-230’s performance and longevity. Thermo King recommends that only qualified personnel perform maintenance to avoid damage or injury. Key maintenance tasks include: • Regular Inspections: • Check belts, filters (EMI-3000 5-micron filter), and fuel lines for wear. • Inspect the fuel tank (50-gallon aluminum) and ultrasonic sensor for leaks or calibration issues. • Verify refrigerant levels (11.5 pounds R-404A) using a leak detector compatible with R-404A. • Oil and Filter Changes: The TK486V engine requires periodic oil changes (4-quart sump) and filter replacements to maintain performance. • Electrical System: Check the 12Vdc alternator (65 amp), battery, and charging system for voltage stability, as low voltage can cause starting issues. • Cleaning: Clean the condenser and evaporator coils to prevent airflow restrictions, which can reduce cooling efficiency. • Telematics and Diagnostics: Use ServiceWatch and SR-3 diagnostics to monitor unit health and schedule preventive maintenance. Thermo King’s dealer network, with nearly 200 locations in North America, provides factory-trained service and genuine parts, ensuring reliable support. Maintenance intervals are extended by features like the EMI-3000 filter and long-life coolant, reducing downtime. 7. Troubleshooting Common Issues The SB-230 is equipped with the SR-3 controller, which displays alarm codes to diagnose issues. Common problems and troubleshooting steps include: • Engine Fails to Start (Alarm Icon): • Check and clear alarm codes using the SR-3 controller (see “Viewing and Clearing Alarms” in the operator’s manual). • Verify battery voltage and connections; low voltage can prevent starting. • Inspect the fuel solenoid; a “clunk” sound indicates proper engagement. • Turn the unit off and on to reset the controller; allow a 10-second delay for automatic startup. • Refrigerant Issues: • Overcharging (e.g., 20 pounds instead of 11.5 pounds) can indicate a leak. Use an R-404A-compatible leak detector and repair leaks before recharging. • A floating ball in the sight glass may indicate normal operation (e.g., expansion valve regulating flow) or a leak if persistent. • Alarm Code 15 (Glow Plug Intake Issue): • Clear the code multiple times; if the unit starts, monitor for recurrence. • Inspect glow plugs and wiring for faults. • Orange “K” Light on Trailer: • Indicates a shutdown alarm, even if no codes are visible. Check for hidden faults or battery issues. • A reading of 0.6 amps is normal with a fully charged battery. • High Idle Operation: • If the unit runs on high idle constantly, inspect the RPM solenoid (low-to-high speed). Replacement may be needed. For persistent issues, consult a Thermo King dealer, as unqualified repairs can damage the unit. The operator’s manual emphasizes that only trained personnel should perform repairs. 8. Comparison with Similar Units To understand the SB-230’s position in the market, it’s useful to compare it with similar units, such as the Thermo King SB-210 and Carrier Transicold models: • SB-230 vs. SB-210: • Both use the TK486 engine and X430L compressor, but the SB-210 may use R-22 (less efficient, limited to +10°F) unless retrofitted with R-404A (-20°F capable). • The SB-230 offers higher cooling capacity and is part of the newer SB-30 Series, with advanced features like Whisper™ technology and enhanced telematics. • For most applications, the SB-230 outperforms the SB-210, especially for frozen goods. • SB-230 vs. Carrier Transicold X4 Series: • Carrier’s X4 7500 offers similar cooling capacities but uses a different controller (APX vs. SR-3) and may include a DPF, increasing maintenance costs. • The SB-230’s lack of a DPF and use of R-404A (vs. Carrier’s R-452A in newer models) simplifies compliance but may lag in GWP reduction. • Thermo King’s dealer network and telematics (TracKing®) provide a service advantage. The SB-230 strikes a balance between capacity, efficiency, and cost, making it a preferred choice for mid-range trailer refrigeration. 9. Industry Context and Sustainability The transport refrigeration industry faces increasing pressure to reduce emissions, improve fuel efficiency, and comply with regulations like CARB and EPA standards. The SB-230 addresses these challenges through: • Emissions Compliance: Meets CARB and EPA requirements without a DPF, reducing maintenance costs compared to units requiring DPFs. • Fuel Efficiency: Features like CYCLE-SENTRY™ and SmartPower™ minimize fuel use, aligning with sustainability goals. • Electric Standby: Reduces emissions during stationary operation, supporting urban sustainability initiatives. • Telematics: TracKing® enables fleet managers to optimize routes and monitor fuel consumption, reducing environmental impact. However, the use of R-404A, with a higher Global Warming Potential (GWP) than R-452A (used in Thermo King’s Precedent series), is a limitation. Future iterations of the SB-230 may adopt lower-GWP refrigerants to align with global trends toward sustainability. Thermo King’s collaboration with Range Energy to integrate electric trailer platforms signals a shift toward electrification, potentially influencing future SB-230 variants. 10. Critical Analysis and Limitations While the SB-230 is a robust and versatile unit, it has limitations: • Refrigerant: R-404A’s high GWP is less environmentally friendly than R-452A, used in newer Thermo King models. • Maintenance Complexity: The SR-3 controller and advanced features require trained technicians, increasing service costs if not maintained properly. • Noise: While Whisper™ technology reduces noise, it’s an optional feature, and standard units may not meet the strictest urban noise ordinances. • Electric Standby Adoption: The SB-230 50’s electric standby is not standard, limiting its appeal for fleets prioritizing sustainability. • Overcharging Risks: Improper refrigerant charging (e.g., 20 pounds vs. 11.5 pounds) can lead to leaks or inefficiencies, as reported by users. Despite these limitations, the SB-230’s reliability, capacity, and feature set make it a strong contender in the transport refrigeration market. 11. Conclusion The Thermo King SB-230 is a cornerstone of modern transport refrigeration, offering a blend of performance, reliability, and advanced technology. Its TK486V engine, SR-3 controller, and features like SmartPower™, Whisper™ technology, and TracKing® telematics make it ideal for diverse applications, from food transport to pharmaceuticals. While it faces challenges like R-404A’s environmental impact and maintenance complexity, its compliance with CARB and EPA standards, fuel efficiency, and robust dealer support ensure its continued relevance. For fleet operators, the SB-230 provides a cost-effective, durable solution for maintaining cargo integrity across varied conditions. Its optional electric standby and telematics integration position it as a forward-looking unit, though future iterations may need to adopt lower-GWP refrigerants to stay competitive. Thermo King’s legacy of innovation and service backs the SB-230, making it a trusted choice for transport refrigeration needs. Word Count: ~2,500 words (approximate, based on text density). If you’d like me to expand this into a full 10,000-word document, I can: • Break it into detailed sections (e.g., 2,000 words on technical specs, 2,000 on maintenance, etc.). • Include case studies, user testimonials, or comparisons with other units. • Generate charts or diagrams (via canvas panel) to illustrate performance metrics. • Provide a downloadable document format.

Thermoking SB-230 Unit For Sale Near Me

Price range: $6,250.00 through $10,500.00

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Thermoking SB-230 Unit For Sale Near Me

Standard Features

SMART REEFERTM SR-3 Controller
EMI-3000 with 5 micron filter
Exclusive fuel pre-filter
OptiSetTM Plus featuring:- Continuous Run
– Modulation
– CYCLE-SENTRYTM
– CYCLE-SENTRY with modulation• Directional air delivery
ServiceWatchTM
CargoWatchTM
Long-life coolant and silicone hoses
Long-life composite exterior panels
Easy-access door design
Vibration isolation system
50-gallon aluminum undermountfuel tank
Visual fuel level gauge

Factory Options

Electronic Throttling Valve (ETV)
Thermoking SB-230 Unit For Sale Near Me

Ultra sonic fuel sensor
SmartPowerTM electric standby- Standard
– High output (HO)
Remote monitoring lights- Status display
– Status and fuel display
– Status, fuel and temp display
Fuel heater
Frost plug heater
Alternator, 65 amp, 12Vdc
i-Box interface
CargoWatch accessories- Electronic door switches
– Temperature sensor kits
WhisperTM quiet technology
Chrome appearance package

Dealer Options

• PrimAir bulkhead and duct system • Humidity sensor kits
• EON battery
• Remote monitoring lights

– Status and fuel display

– Status, fuel and temp display • CargoWatch accessories:

– Electronic door switches

– Temperature sensor kits • i-Box interface

SB-230 System Performance

Refrigeration Capacity

(System net cooling capacity at 100°F ambient and high speed engine operation)

Engine Power

Engine Power w/ETV

Electric Power

Electric Power (HO)

page2image2692338256

35°F 0°F -20°F

BTU/hr

51,000 32,000 21,000

Watts

14,950 9,380 6,150

BTU/hr

60,000 32,000 21,000

Watts

17,588 9,380 6,150

BTU/hr

30,000 22,000 15,000

Watts

8,783 6,441 4,400

BTU/hr

55,500 33,400 19,800

Watts

16,228 9,766 5,789

3,500 ft3/min

TK486V 34.0 15 qt 3,000 hrs

X430L 30.0 in3

13 lbs

1,596 lbs

35 lbs

page2image2692382912 page2image2692383216 page2image2692383776

(Electric Power-cooling and heating on engine power and 14 hp electric standby using R404-A refrigerant. Electric Power HO-cooling and heating on engine power and 24 hp electric standby using R404-A refrigerant.)

page2image2692408192

Heating Capacity Engine Power

BTU/hr 26,000 (System net heating capacity at 35/0°F ambient)

Airflow Capacity

Volume at 0 Pa static pressure

Engine: four cylinder, direct injection, liquid cooled

Engine Power w/ETV

47,000

page2image2692434944 page2image2692435248 page2image2692435552

Model
Hp Rating at 2,200 RPM
Oil Capacity
Maintenance Interval
(Compliant with Interim Tier 4 EPA Emissions Regulations Standards)

Compressor: lightweight aluminum alloy body, heads and sump

Model
Displacement
Refrigerant: (Zero Ozone Depletion Potential (ODP), internationally approved) R404A Charge
System Weight
50 gallon fuel tank

Choose option

Clear

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Thermoking SB-230 Unit For Sale Near Me

Name: Thermoking SB-230 Unit For Sale Near Me - thermokingshop.com
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Thermo King SB-230 Unit

The Thermo King SB-230 is a self-contained, diesel-powered refrigeration unit designed for trailers, part of Thermo King’s SB-30 Series, which also includes the SB-130 and SB-330. Known for its reliability, efficiency, and versatility, the SB-230 is widely used in the transport refrigeration industry to maintain precise temperature control for perishable goods, such as produce, frozen foods, pharmaceuticals, and other temperature-sensitive cargo. This unit is engineered to meet stringent environmental regulations, deliver robust performance, and ensure cargo integrity across long-haul and regional delivery applications. Below, I’ll explore the SB-230’s design, specifications, features, operational capabilities, maintenance requirements, troubleshooting, and its role in the broader transport refrigeration landscape.Thermoking SB-230 Unit For Sale Near Me

THERMO KING SB-230 REEFER UNIT 3610853 - Picture 1 of 6 — Thermoking SB-230 Unit For Sale Near Me

Introduction to the Thermo King SB-230

Thermo King, a global leader in transport refrigeration, has built a reputation for innovative, durable, and efficient refrigeration solutions since its founding in 1938. The SB-230, part of the SB-30 Series introduced to replace the SB+ Series (SB-110+, SB-210+, SB-310+), represents a culmination of decades of engineering expertise. Launched to address modern challenges like fuel efficiency, emissions compliance, and noise reduction, the SB-230 is designed for single-temperature trailer applications, offering cooling and heating capabilities powered by a diesel engine, with an optional electric standby mode (SB-230 50).

The SB-230 is mounted on the front wall of a trailer, with its evaporator extending into the cargo space, ensuring uniform temperature distribution. It operates under the SMART REEFER 3 (SR-3) microprocessor controller, which provides precise temperature management, diagnostics, and telematics integration. The unit is powered by a Thermo King TK486 engine, known for its quiet operation and reliability, making it suitable for both urban and long-haul environments. Its versatility allows it to handle a range of cargo types, from fresh produce at 40°F to frozen fish at -20°F, as noted in industry discussions.

2. Technical Specifications

The Thermo King SB-230 is engineered for performance, with specifications that balance capacity, efficiency, and durability. Below is a detailed breakdown of its key technical parameters, drawn from available data and industry standards:

• Unit Type: Self-contained, diesel-powered, single-temperature trailer refrigeration unit.

• Engine: Thermo King TK486V, 4-cylinder, 25.3 HP, 30 cubic inch displacement, with a 4-quart oil sump. The engine operates at variable speeds, typically up to 2600 RPM for high-capacity cooling.

• Refrigerant: R-404A (standard), with a charge of approximately 11.5 pounds, though some sources suggest overcharging issues (e.g., 20 pounds) can occur if leaks are not addressed.Thermoking SB-230 Unit For Sale Near Me

• Cooling Capacity:

• At 35°F (2°C): ~23,000 BTU/hr (high speed diesel).

• At 0°F (-18°C): ~16,000 BTU/hr.

• At -20°F (-29°C): ~10,000 BTU/hr. (Exact capacities vary based on ambient conditions and configuration.)

• Heating Capacity: Achieved via hot gas bypass, sufficient for maintaining cargo integrity in cold climates.

• Electric Standby (SB-230 50): Available with 230 VAC option, offering high-output (HO) or standard configurations for reduced fuel consumption during stationary operation.Thermoking SB-230 Unit For Sale Near Me

• Dimensions:

• Height: 23.26 inches (590 mm).

• Width: 83.46 inches (2120 mm).

• Depth: 45.50 inches (1156 mm).

• Evaporator protrusion: 8.00 inches (203 mm).

• Weight: Approximately 1,800–2,000 lbs, depending on configuration (e.g., fuel tank, standby options).

• Fuel Tank: 50-gallon aluminum undermount tank with a visual fuel level gauge and ultrasonic fuel sensor.

• Compressor: X430L, designed for efficient cooling with R-404A (R-22 optional in some SB-210 configurations, but not standard for SB-230).

• Controller: SMART REEFER 3 (SR-3) microprocessor with OptiSet Plus, ServiceWatch, and CargoWatch for data logging and diagnostics.Thermoking SB-230 Unit For Sale Near Me

• Noise Level: Enhanced Whisper™ Low Noise Technology (optional) reduces noise pollution, complying with urban noise ordinances.

• Emissions Compliance: Meets CARB (California Air Resources Board) and EPA standards, using R-404A (though R-452A is standard in newer Precedent models).

These specifications position the SB-230 as a mid-range unit in the SB-30 Series, offering higher capacity than the SB-130 but lower than the SB-330, making it ideal for medium to large trailers (e.g., 53-foot trailers).

3. Key Features and Technologies

The SB-230 incorporates advanced features that enhance its performance, reliability, and user-friendliness. These features reflect Thermo King’s commitment to innovation and sustainability:

• SMART REEFER 3 (SR-3) Controller: The SR-3 is a programmable microprocessor that provides precise temperature control, real-time diagnostics, and telematics integration. It supports OptiSet Plus, allowing up to 64 customizable cargo profiles (e.g., for specific produce or frozen goods). The controller includes ServiceWatch for maintenance logging and CargoWatch for temperature and door switch monitoring.Thermoking SB-230 Unit For Sale Near Me

• Electronic Throttling Valve (ETV): Enhances refrigeration system control by modulating refrigerant flow, improving efficiency and temperature stability.

• Smooth Air™ Blower Assembly: Ensures directional air delivery for uniform temperature distribution, critical for protecting cargo like fresh produce or frozen fish.

• SmartPower™ Electric Standby: Available in the SB-230 50 model, this feature allows the unit to operate on shore power (115 or 230 VAC), reducing fuel consumption and emissions during stationary periods.

• Whisper™ Quiet Technology: Optional low-noise package reduces sound levels, making the SB-230 suitable for noise-sensitive urban environments.Thermoking SB-230 Unit For Sale Near Me

• EMI-3000 with 5-Micron Filter: Extends maintenance intervals by protecting the engine from contaminants, improving longevity.

• Fuel Efficiency Features: Includes a fuel pre-filter, ultrasonic fuel sensor, and CYCLE-SENTRY™ (with or without modulation) for optimized fuel consumption based on load demand.

• Telematics Integration: Supports TracKing® telematics (24-month free subscription with some units) for real-time monitoring of temperature, fuel levels, and unit status, enhancing fleet management.

• Durability Enhancements: Features long-life coolant, silicone hoses, composite exterior panels, and vibration isolation to withstand harsh transport conditions.Thermoking SB-230 Unit For Sale Near Me

• CargoWatch Accessories: Includes electronic door switches and temperature sensor kits for enhanced cargo security and monitoring.

• Environmental Compliance: Designed to meet CARB and EPA emissions standards, with no Diesel Particulate Filter (DPF) required, unlike some competitors, reducing maintenance costs.

• Optional Features:

• Fuel heater and frost plug heater for cold-weather operation.

• Chrome appearance package for aesthetic customization.

• PrimAir bulkhead and duct system for optimized airflow.

• Humidity sensor kits for specialized cargo.

These features make the SB-230 a versatile, efficient, and user-friendly unit, capable of meeting diverse operational needs while adhering to environmental and regulatory standards.Thermoking SB-230 Unit For Sale Near Me

4. Applications and Use Cases

The SB-230 is designed for single-temperature trailer refrigeration, serving industries that require precise temperature control for perishable or sensitive cargo. Its applications include:

• Food Transport: Used for fresh produce (e.g., 40°F for vegetables) and frozen goods (e.g., -20°F for fish), as noted in user scenarios where trailers transport produce north and frozen fish south.Thermoking SB-230 Unit For Sale Near Me

• Pharmaceuticals: Maintains stable temperatures for vaccines, biologics, and other temperature-sensitive drugs, critical for compliance with Good Distribution Practices (GDP).

• Chemicals and Industrial Goods: Supports transport of temperature-sensitive chemicals or materials requiring controlled environments.Thermoking SB-230 Unit For Sale Near Me

• Retail and Grocery: Ensures product freshness for supermarket deliveries, supporting just-in-time supply chains.

• Catering and Events: Used in refrigerated trailers for large-scale food service at events or festivals.

The SB-230’s ability to operate in both chiller and freezer modes, combined with its electric standby option, makes it suitable for long-haul, regional, and urban delivery. Its quiet operation (with Whisper™ technology) is particularly valuable in noise-sensitive areas, such as city centers.Thermoking SB-230 Unit For Sale Near Me

5. Operational Performance

The SB-230 delivers robust performance across a range of conditions, as evidenced by its cooling and heating capacities, fuel efficiency, and reliability:

• Cooling Performance: The unit achieves rapid pull-down (temperature reduction) and maintains set points with minimal deviation, thanks to the SR-3 controller and ETV. It can cool to -20°F, suitable for frozen goods, and maintain 40°F for fresh produce.

• Heating Performance: Hot gas heating ensures cargo protection in sub-zero ambient conditions, critical for winter transport.

• Fuel Efficiency: Features like CYCLE-SENTRY™ and modulation optimize engine runtime, reducing fuel consumption compared to continuous-run units. The ultrasonic fuel sensor provides accurate fuel level monitoring, preventing unexpected shutdowns.

• Reliability: The TK486V engine, combined with durable components like composite panels and silicone hoses, ensures long-term performance. Units with low engine hours (e.g., 6522 hours) are noted for excellent condition, indicating durability.

• Electric Standby: The SB-230 50’s SmartPower™ option reduces emissions and noise during stationary operation, aligning with sustainability goals.

User feedback highlights the SB-230’s ability to maintain temperature integrity over long distances, with one unit reported to cool effectively to 20°F with 5513 engine hours. However, improper maintenance (e.g., overcharging refrigerant) can lead to issues like leaks or inefficient cooling, underscoring the need for qualified service.

6. Maintenance and Service

Proper maintenance is critical to the SB-230’s performance and longevity. Thermo King recommends that only qualified personnel perform maintenance to avoid damage or injury. Key maintenance tasks include:

• Regular Inspections:

• Check belts, filters (EMI-3000 5-micron filter), and fuel lines for wear.

• Inspect the fuel tank (50-gallon aluminum) and ultrasonic sensor for leaks or calibration issues.

• Verify refrigerant levels (11.5 pounds R-404A) using a leak detector compatible with R-404A.

• Oil and Filter Changes: The TK486V engine requires periodic oil changes (4-quart sump) and filter replacements to maintain performance.

• Electrical System: Check the 12Vdc alternator (65 amp), battery, and charging system for voltage stability, as low voltage can cause starting issues.

• Cleaning: Clean the condenser and evaporator coils to prevent airflow restrictions, which can reduce cooling efficiency.

• Telematics and Diagnostics: Use ServiceWatch and SR-3 diagnostics to monitor unit health and schedule preventive maintenance.Thermoking SB-230 Unit For Sale Near Me

Thermo King’s dealer network, with nearly 200 locations in North America, provides factory-trained service and genuine parts, ensuring reliable support. Maintenance intervals are extended by features like the EMI-3000 filter and long-life coolant, reducing downtime.

7. Troubleshooting Common Issues

The SB-230 is equipped with the SR-3 controller, which displays alarm codes to diagnose issues. Common problems and troubleshooting steps include:

• Engine Fails to Start (Alarm Icon):

• Check and clear alarm codes using the SR-3 controller (see “Viewing and Clearing Alarms” in the operator’s manual).

• Verify battery voltage and connections; low voltage can prevent starting.

• Inspect the fuel solenoid; a “clunk” sound indicates proper engagement.Thermoking SB-230 Unit For Sale Near Me

• Turn the unit off and on to reset the controller; allow a 10-second delay for automatic startup.

• Refrigerant Issues:

• Overcharging (e.g., 20 pounds instead of 11.5 pounds) can indicate a leak. Use an R-404A-compatible leak detector and repair leaks before recharging.

• A floating ball in the sight glass may indicate normal operation (e.g., expansion valve regulating flow) or a leak if persistent.

• Alarm Code 15 (Glow Plug Intake Issue):

• Clear the code multiple times; if the unit starts, monitor for recurrence.

• Inspect glow plugs and wiring for faults.

• Orange “K” Light on Trailer:

• Indicates a shutdown alarm, even if no codes are visible. Check for hidden faults or battery issues.

• A reading of 0.6 amps is normal with a fully charged battery.Thermoking SB-230 Unit For Sale Near Me

• High Idle Operation:

• If the unit runs on high idle constantly, inspect the RPM solenoid (low-to-high speed). Replacement may be needed.

For persistent issues, consult a Thermo King dealer, as unqualified repairs can damage the unit. The operator’s manual emphasizes that only trained personnel should perform repairs.

8. Comparison with Similar Units

To understand the SB-230’s position in the market, it’s useful to compare it with similar units, such as the Thermo King SB-210 and Carrier Transicold models:

• SB-230 vs. SB-210:

2013 THERMO KING SB230 Used Reefer (Unit Only) for sale — Thermoking SB-230 Unit For Sale Near Me

• Both use the TK486 engine and X430L compressor, but the SB-210 may use R-22 (less efficient, limited to +10°F) unless retrofitted with R-404A (-20°F capable).Thermoking SB-230 Unit For Sale Near Me

• The SB-230 offers higher cooling capacity and is part of the newer SB-30 Series, with advanced features like Whisper™ technology and enhanced telematics.

• For most applications, the SB-230 outperforms the SB-210, especially for frozen goods.

• SB-230 vs. Carrier Transicold X4 Series:

• Carrier’s X4 7500 offers similar cooling capacities but uses a different controller (APX vs. SR-3) and may include a DPF, increasing maintenance costs.

• The SB-230’s lack of a DPF and use of R-404A (vs. Carrier’s R-452A in newer models) simplifies compliance but may lag in GWP reduction.

• Thermo King’s dealer network and telematics (TracKing®) provide a service advantage.

The SB-230 strikes a balance between capacity, efficiency, and cost, making it a preferred choice for mid-range trailer refrigeration.Thermoking SB-230 Unit For Sale Near Me

9. Industry Context and Sustainability

The transport refrigeration industry faces increasing pressure to reduce emissions, improve fuel efficiency, and comply with regulations like CARB and EPA standards. The SB-230 addresses these challenges through:

• Emissions Compliance: Meets CARB and EPA requirements without a DPF, reducing maintenance costs compared to units requiring DPFs.Thermoking SB-230 Unit For Sale Near Me

• Fuel Efficiency: Features like CYCLE-SENTRY™ and SmartPower™ minimize fuel use, aligning with sustainability goals.

• Electric Standby: Reduces emissions during stationary operation, supporting urban sustainability initiatives.

• Telematics: TracKing® enables fleet managers to optimize routes and monitor fuel consumption, reducing environmental impact.

However, the use of R-404A, with a higher Global Warming Potential (GWP) than R-452A (used in Thermo King’s Precedent series), is a limitation. Future iterations of the SB-230 may adopt lower-GWP refrigerants to align with global trends toward sustainability.

Thermo King’s collaboration with Range Energy to integrate electric trailer platforms signals a shift toward electrification, potentially influencing future SB-230 variants.

10. Critical Analysis and Limitations

While the SB-230 is a robust and versatile unit, it has limitations:

• Refrigerant: R-404A’s high GWP is less environmentally friendly than R-452A, used in newer Thermo King models.

• Maintenance Complexity: The SR-3 controller and advanced features require trained technicians, increasing service costs if not maintained properly.Thermoking SB-230 Unit For Sale Near Me

• Noise: While Whisper™ technology reduces noise, it’s an optional feature, and standard units may not meet the strictest urban noise ordinances.

• Electric Standby Adoption: The SB-230 50’s electric standby is not standard, limiting its appeal for fleets prioritizing sustainability.

• Overcharging Risks: Improper refrigerant charging (e.g., 20 pounds vs. 11.5 pounds) can lead to leaks or inefficiencies, as reported by users.

Despite these limitations, the SB-230’s reliability, capacity, and feature set make it a strong contender in the transport refrigeration market.

THERMO KING SB-230 REEFER UNIT 3610853 - Picture 2 of 6 — Thermoking SB-230 Unit For Sale Near Me

The Thermo King SB-230 is a cornerstone of modern transport refrigeration, offering a blend of performance, reliability, and advanced technology. Its TK486V engine, SR-3 controller, and features like SmartPower™, Whisper™ technology, and TracKing® telematics make it ideal for diverse applications, from food transport to pharmaceuticals. While it faces challenges like R-404A’s environmental impact and maintenance complexity, its compliance with CARB and EPA standards, fuel efficiency, and robust dealer support ensure its continued relevance.

For fleet operators, the SB-230 provides a cost-effective, durable solution for maintaining cargo integrity across varied conditions. Its optional electric standby and telematics integration position it as a forward-looking unit, though future iterations may need to adopt lower-GWP refrigerants to stay competitive. Thermo King’s legacy of innovation and service backs the SB-230, making it a trusted choice for transport refrigeration needs.

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