2025 Generac Power Systems Flameless Mobile Heaters MFH900
- Year 2025
- Make Generac Power Systems
- Model Flameless Mobile Heaters
- Engine Model: 120AF-E44TTA
2025 Generac Power Systems Flameless Mobile Heaters MFH900
2025 Generac Power Systems Flameless Mobile Heaters MFH900
MFH900 Flameless HeaterThe MFH900 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. The MFH900 includes a brand new design for enhanced safety, serviceability and ease-of-use.
Features may include:
Powerful- 4.4 L Perkins® engine, FT4
- 865,000 BTU output*
- Max temperature output 180° F (82° C)
- 88%+ heater efficiency
- Hydraulic pump loop generates reliable heat in ambient temperatures down to -40° F/C
- Rust-proof aluminum enclosure
- 26-hour run time on one fuel and DEF fill
- Flameless technology produces heat without an open flame
- Safe to use in hazard zones in which ignitable fumes may be present
- External E-stop switch for emergency situations
- External duct connection lighting for enhanced safety
- 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
Perkins®
Engine
Model: 120AF-E44TTA
Emissions
EPA Final Tier 4
Cylinder Liners
4
Displacement
4.4 L (268.5 in3 )
Engine Power
@ 2,200 rpm: 140.8 hp (105 kW)
Air Filter
Dry type cartridge
Aspiration
Series turbocharged
Cooling
Liquid cooled
Fuel System
Fuel Type
Diesel
Battery
Battery
Two 12 V, 950 CCA, wet cell batteries
Operational
Operating Conditions
Fuel consumption rate: 7.9 gph (29.9 Lph) | DEF consumption rate: 0.312 gph (1.18 Lph) | Heat produced: Up to 865,000 BTU/hr (253.5 kW/hr) | Efficiency: Up to 85%
Run Time Per Tankful
Minimum run time: 26 hr
Operating Temperature, Maximum
Capable of operating at -40 to 100 °F (-40 to 37.8 °C) ambient—not considering derate factors | Heater Max Temperature: 120–180 °F (48.9–82.2 °C)
Airflow
3,500–5,000 ft3 /min (99.1–141.6 m3 /min)
Capacities
Fuel Capacity
Total: 200 US gal (757.1L) | Usable: 176 US gal (654.9 L)
Features
DEF Tank: Total: 10 US gal (38 L) / Usable: 8 US gal (30 L)
Cooling System
10.3 qt (9.75 L)
Weights
Dry Weight
6,590 lb (2,992 kg)
Weight, In Running Order
7,735 lb (3,512 kg)
Features
Features
Type: Flameless, self-contained | Wachendorf® controller and display
Warranty
Warranty
1 year, unlimited hours