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Refrigerated Trailers

Heat King

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The highest capacity transport heater for maximum uptime and reliability.

The Heat King is the highest capacity transport heater available, delivering maximum uptime, ease of maintenance, and long-term reliability with its rugged design.

Heat King

Heat King® Cargo Trailer Heating Unit

The Heat King 450 MAX utilizes an exhaust heat exchanger that extracts even more heat from the engine, allowing the unit to become 70% efficient in the transfer of energy from diesel fuel to heat. This design produces 33% more heat capacity and transfers heat more efficiently than the closest competitor product.

Benefits

Maximum Output & Performance

The Heat King 450 MAX utilizes an exhaust heat exchanger that extracts even more heat from the engine, allowing the unit to become 70% efficient in the transfer of energy from diesel fuel to heat. This design produces 33% more heat capacity and transfers heat more efficiently than the closest competitor product. It offers extra capacity for longer thin-walled trailers, powerful airflow, is DOT-approved for transport of flammable liquids and gases, and has high and low speeds for optimal fuel economy. It is also EPA Tier IV compliant.

Integrated TracKing® Telematics

With ConnectedSuite™ telematics, you have the data you need to help keep deliveries on time and avoid load loss. Every Heat King unit comes factory-equipped with TracKing telematics and 24 months of no-cost service. Telematics offers real-time asset connectivity, compliance and security, data sharing, and extensive reports.

Solar Benefits

A ThermoLite® 40W solar panel comes standard on all Heat King models to offer increased battery life, fuel savings, extended component life, improved employee efficiency, and optimized telematics.

ThermoGuard® VII Controller

The integrated cycle-sentry feature ensures optimal fuel economy and the battery voltage monitor ensures that the batteries are charged. Operational data and alarm codes are automatically logged and downloadable via USB. It features flash loadable programming and diagnostics through PC monitor USB interface, an optional status light, and a compact design for mounting directly to or recessed into the trailer. Includes on/off switch, hour meter and display. Alarm codes are easily accessed through the TGVII display and PC monitor USB interface.

Unit Specs

Heating Capacity (Heat King 450 MAX)

HIGH BTU/Hr50,000
HIGH Watts14,650
HIGH RPM3,200
LOW BTU/Hr10,000
LOW Watts2,930
LOW RPM1,550

Heating Capacity (Heat King 450 HO)

HIGH BTU/Hr36,000
HIGH Watts10,500
HIGH RPM3,050
LOW BTU/Hr10,000
LOW Watts2,930
LOW RPM1,550

Airflow (Heat King 450 MAX)

HIGH CFM3,600
HIGH M³/hr5,925
LOW CFM1,700
LOW M³/hr2,800

Airflow (Heat King 450 HO)

HIGH CFM3,400
HIGH M³/hr5,600
LOW CFM1,700
LOW M³/hr2,800

Weight (approximate with battery)

Heat King 450 MAX488 lbs (221 kg)
Heat King 450 HO448 lbs (203 kg)

Fuel Tank Weight (with brackets, without fuel)

30 Gallon90 lbs (41 kg)
50 Gallon100 lbs (45 kg)
110 Gallon308 lbs (140 kg)

Operation

HeatingAutomatic cycle-sentry heating for freeze protection
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