• Webasto Thermo Pro 50 Eco 24V heater

Webasto

Webasto Thermo Pro 50 Diesel 24 V Heavy Duty Off Highway Heater Kit

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  • Free Shipping in US
    on orders $499*
  • Professional Support
    Shop with an expert
  • Easy Returns
    14-day Returns
  • Free Shipping in US
    on orders $499
  • Professional Support
    Shop with an expert
  • Easy Returns
    14-day Returns

Heavy-Duty Diesel Coolant Heating for Off-Highway Equipment

Built for extreme conditions, this Webasto 24V diesel coolant heater delivers dependable engine preheating and cab comfort while reducing cold-start wear. With up to 17,000 BTU (5 kW) of output and low electrical draw, it keeps equipment productive in harsh, remote environments.

Benefits & Use Cases

Designed for demanding off-highway applications, this coolant heater improves cold-weather reliability while minimizing idle time. By warming engine coolant before startup, it supports easier starts, reduced emissions, and improved operator comfort.

  • Fast engine preheating to reduce cold-start wear and emissions
  • Improves cab comfort without extended engine idling
  • Efficient diesel operation with low fuel and power consumption
  • Built for rugged use in construction, agricultural, and specialty vehicles

Vehicle Compatibility

  • Light-duty vehicles with 24V electrical systems
  • Heavy-duty trucks and vocational equipment
  • Construction and earthmoving machinery
  • Agricultural equipment and specialty vehicles

Technical Specifications

  • Fuel Type: Diesel
  • Voltage: 24V
  • Max Heat Output: 17,000 BTU (5.0 kW)
  • Fuel Consumption: 0.08–1.17 gal/h (0.3–0.65 L/h)
  • Power Consumption: 35–50 W
  • Max Altitude: 9,900 ft (3,000 m)
  • Coolant Pump Flow Rate: 132 gal/h (500 L/h)
  • Warranty: 2 Years
  • Dimensions (Heater body only): 4.3 × 1.9 × 3.1 in (109 × 49 × 79 mm)
  • Weight (Heater only): 4.85 lb (2.2 kg)
  • Part Numbers: 5010870 / 5010870B

Kit Includes

  • Webasto Thermo Pro 50 Heater
  • DP42 Fuel Pump
  • Wiring Harness
  • Standpipe and Fuel Line
  • Exhaust Tube
  • Stainless Steel Combustion
  • Air Intake Tube
  • Stainless Steel Heater Bracket
  • Constant Torque Coolant Hose
  • Clamps
  • Coolant Hose Reducers & Y Pipes
  • Metal P & Rubber Hose Clamps
  • Installation Materials
  • Toggle Switch
  • Muffler

FAQs

What is this heater mainly used for?
It is designed for engine preheating and cab comfort in off-highway and heavy-duty vehicles operating in cold conditions.

How does a coolant heater help reduce engine wear?
Preheating engine coolant reduces cold-start friction, improves combustion efficiency, and lowers emissions during startup.

Can this heater be installed by a professional technician?
Yes, this kit is designed for professional or fleet installation using standard coolant and fuel system connections.

Does it work in high-altitude environments?
The heater is rated for use up to 9,900 ft, making it suitable for mountainous and remote job sites.

Need help confirming compatibility or installation requirements? Talk to a Heatso expert

Technical Specifications of the Webasto Thermo Pro 50 Diesel 24 V Heavy Duty Off Highway Heater Kit

Fuel:
Diesel
Voltage:
24V
Max. Heat Output:
17,000 BTU (5 kW)
Max. Altitude:
9,900 ft (3,000 m)
Heater model:
Thermo Pro 50 Eco

Included in the kit:

Heavy-Duty Diesel Coolant Heating for Off-Highway Equipment

Built for extreme conditions, this Webasto 24V diesel coolant heater delivers dependable engine preheating and cab comfort while reducing cold-start wear. With up to 17,000 BTU (5 kW) of output and low electrical draw, it keeps equipment productive in harsh, remote environments.

Benefits & Use Cases

Designed for demanding off-highway applications, this coolant heater improves cold-weather reliability while minimizing idle time. By warming engine coolant before startup, it supports easier starts, reduced emissions, and improved operator comfort.

  • Fast engine preheating to reduce cold-start wear and emissions
  • Improves cab comfort without extended engine idling
  • Efficient diesel operation with low fuel and power consumption
  • Built for rugged use in construction, agricultural, and specialty vehicles

Vehicle Compatibility

  • Light-duty vehicles with 24V electrical systems
  • Heavy-duty trucks and vocational equipment
  • Construction and earthmoving machinery
  • Agricultural equipment and specialty vehicles

Technical Specifications

  • Fuel Type: Diesel
  • Voltage: 24V
  • Max Heat Output: 17,000 BTU (5.0 kW)
  • Fuel Consumption: 0.08–1.17 gal/h (0.3–0.65 L/h)
  • Power Consumption: 35–50 W
  • Max Altitude: 9,900 ft (3,000 m)
  • Coolant Pump Flow Rate: 132 gal/h (500 L/h)
  • Warranty: 2 Years
  • Dimensions (Heater body only): 4.3 × 1.9 × 3.1 in (109 × 49 × 79 mm)
  • Weight (Heater only): 4.85 lb (2.2 kg)
  • Part Numbers: 5010870 / 5010870B

Kit Includes

  • Webasto Thermo Pro 50 Heater
  • DP42 Fuel Pump
  • Wiring Harness
  • Standpipe and Fuel Line
  • Exhaust Tube
  • Stainless Steel Combustion
  • Air Intake Tube
  • Stainless Steel Heater Bracket
  • Constant Torque Coolant Hose
  • Clamps
  • Coolant Hose Reducers & Y Pipes
  • Metal P & Rubber Hose Clamps
  • Installation Materials
  • Toggle Switch
  • Muffler

FAQs

What is this heater mainly used for?
It is designed for engine preheating and cab comfort in off-highway and heavy-duty vehicles operating in cold conditions.

How does a coolant heater help reduce engine wear?
Preheating engine coolant reduces cold-start friction, improves combustion efficiency, and lowers emissions during startup.

Can this heater be installed by a professional technician?
Yes, this kit is designed for professional or fleet installation using standard coolant and fuel system connections.

Does it work in high-altitude environments?
The heater is rated for use up to 9,900 ft, making it suitable for mountainous and remote job sites.

Need help confirming compatibility or installation requirements? Talk to a Heatso expert

Choosing Guide

Option Choosing Guide for this product is coming soon, please contact [email protected] if you need help picking the right options or have any questions.

Shipping

  • United States - 1-5 Working Days
  • United Kingdom - 2-5 Working Days
  • European Union - 2-7 Working Days
  • Australia / New Zealand - 5-14 Working Days
  • Rest of World - 5-14 Working Days

There may be a delay if the order is shipped to a PO or parcel shop address. Please note, some couriers do not offer shipping to PO boxes.

View full shipping & Delivery information

Returns

You can return or exchange goods within 14 days from the date of purchase if the item is unused and brand new in unopened packaging. You must contact us before returning any goods, though. Additional deductions might be applied as indicated in the Returns section of our Terms and Conditions.

View full Returns & Refunds information

Warranty Information

Most heaters come with 2 year warranty + optional 1 year extended Warranty available

  • Parts - 1 Year Warranty
  • Refrigerators - 2 Year Warranty
  • AC Systems - 1 Year Warranty
  • Heavy duty heating equipment (10 kW+) - 1 Year Warranty
  • Other items - 1 Year Warranty

Installation, servicing and maintenance must be done in accordance with manufacturers guidelines. Failure to follow these guidelines will result in voiding your warranty.

We provide free technical and installation support via email or phone to all of our customers who purchase a heater, heater kit or other products from Heatso. We take pride in our customer service and want to ensure that your heater system is properly installed. As a result, if you have any difficulties, please do not hesitate to contact us.

If you require removing and/or refitting your item, please visit a local professional or authorized specialist, if you can not find one you can contact us and we will try to recommend a local partner to assist with the task. The cost of removing and/or refitting this item is not covered by the warranty.

View full warranty Information

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