2025 Generac Power Systems Flameless Mobile Heaters MFH500

Information

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

Photos

Highlights

  • La Grange, Georgia
  • 2025
  • Generac Power Systems
  • Flameless Mobile Heaters MFH500
  • Model: 4JJ1T
  • Diesel
  • 5,540 lb (2,513 kg)
  • Available

Specifications

  • 2025
  • Generac Power Systems
  • Flameless Mobile Heaters
  • MFH500
  • General
  • Model: 4JJ1T
  • Isuzu®
  • EPA Final Tier 4
  • 4
  • 3.0 L
  • @ 2,000 rpm: 73 hp (54 kW)
  • Dry type cartridge
  • turbocharged
  • Liquid cooled
  • Diesel
  • Two 12 V, 950 CCA, wet cell batteries
  • Electrical system rating: 12 V
  • 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%
  • Minimum run time: 45 hr
  • Capable of operating at -40 to 100° F (-40 to 37.8° C) ambient | Heater Max Temperature: 180° F (82.2° C)
  • 2,650–5,500 ft3 /min (75–155.7m3 /min)
  • Total: 173 US gal (654.9 L) | Usable: 160 US gal (605 L)
  • 6.3 qt (6.0 L)
  • 5,540 lb (2,513 kg)
  • 6,400 lb (2,903 kg)
  • Type: Flameless, self-contained | Murphy controller- PV450
  • 1 year, unlimited hours