2025 Generac Power Systems Flameless Mobile Heaters MFH500

2025 Generac Power Systems Flameless Mobile Heaters MFH500

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  • Year 2025
  • Make Generac Power Systems
  • Model Flameless Mobile Heaters
  • Engine Model: 4JJ1T
2025 Generac Power Systems Flameless Mobile Heaters MFH500

2025 Generac Power Systems Flameless Mobile Heaters MFH500

2025 Generac Power Systems Flameless Mobile Heaters MFH500

MFH500 Flameless Heater

The MFH500 flameless heater provides safe and reliable heat for Oil and Gas, Mining, Construction, Utility projects and more. Generac Mobile's flameless heat technology delivers heat without an open flame for use in hazard zone areas in which ignitable flames may be present.

Features may include:

Powerful
  • 3.0 L Isuzu® engine, FT4
  • 475,000 BTU output*
  • Max temperature output 180° F (82° C)
  • 90%+ heater efficiency
  • Hydraulic pump loop generates reliable heat in ambient temperatures down to -40° F/C
  • 44-hour run time on one fuel fill
Safe
  • Flameless technology produces heat without an open flame
  • Safe to use in hazard zones in which ignitable fumes may be present
  • Comprehensive safety alarms and shutdowns
  • Positive air shutdown to prevent runaway engine
  • Lockable cabinet to prevent tampering and theft
  • 110% containment of engine fluids
  • DOT and Transport Canada compliant

Engine

Engine Manufacturer Isuzu®
Engine Model: 4JJ1T
Emissions EPA Final Tier 4
Cylinder Liners 4
Displacement 3.0 L
Engine Power @ 2,000 rpm: 73 hp (54 kW)
Air Filter Dry type cartridge
Aspiration turbocharged
Cooling Liquid cooled

Fuel System

Fuel Type Diesel

Battery

Battery Two 12 V, 950 CCA, wet cell batteries

Electric

Electrical Electrical system rating: 12 V

Operational

Operating Conditions Fuel consumption rate: 3.55 gph (13.44 Lph) | Heat produced: Up to 485,000 BTU/hr (142.1 kW/hr) | Efficiency: Up to 92%
Run Time Per Tankful Minimum run time: 45 hr
Operating Temperature, Maximum Capable of operating at -40 to 100° F (-40 to 37.8° C) ambient | Heater Max Temperature: 180° F (82.2° C)
Airflow 2,650–5,500 ft3 /min (75–155.7m3 /min)

Capacities

Fuel Capacity Total: 173 US gal (654.9 L) | Usable: 160 US gal (605 L)
Cooling System 6.3 qt (6.0 L)

Weights

Dry Weight 5,540 lb (2,513 kg)
Weight, In Running Order 6,400 lb (2,903 kg)

Features

Features Type: Flameless, self-contained | Murphy controller- PV450

Warranty

Warranty 1 year, unlimited hours

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