• The DURA-GEN extended run technology offered on the HI 770XHD, minimizes oil changes to every 3000 hours (125 days).
  • The durable heat exchanger is made from 100% 309 stainless steel and comes standard with a 5-year warranty.
  • Unique Recircul-Air design allows adjustable recirculation of warm inside air, resulting in huge fuel savings and even temperatures.
  • Side access door provides superior performance in windy conditions and is lockable for added security. Heavy duty fork pockets designed for easy load and unload for greater jobsite mobility.
  • Optional Combustible Gas Detection System is offered for improved jobsite safety in potentially volatile environments, shutting down the heater in the presence of hydrocarbon vapors.



Engine / Motor Manufacturer Kubota
Engine / Motor Type 4-Cycle - 4-Cylinder - Liquid Cooled
Displacement in³ 91.4
Engine performance hp 18 hp
At Rpm rpm 1,800 rpm
At Engine RPM rpm 1,800
Fuel type Diesel
at rpm Burner rpm 3,450
Fuel consumption Burner US gal/h 5.5 gal per h
Tank capacity Burner Fuel US gal 198 gal
Engine / Motor type Blower Centrifugal
Engine / Motor type Generator Marathon 282CSL
Engine performance Generator kW 16 kW
Fuel consumption Burner l/h 20.8
Fuel consumption Useable l/h 22.1
Operating performance Burner kW 0.18
Power Blower hp 3 hp
RPM / speed Blower rpm 1,725
RPM / speed Generator rpm 1,800
Tank capacity Burner Fuel l 750
Tank capacity Useable Fuel l 98.1
Fuel consumption Useable US gal/h 5.84 gal per h


Air flow m³/h 6,802
Air flow CFM 4,000
Capacity Drying Size ft³ 642,527 ft3
Capacity Sizing Air Heat ft³ 962,500
Diameter Air Outlets (Qty 1) in 16
Diameter Air Outlets (Qty 2) in 12 in
Diameter Flue in 9 in
Heat efficiency % 75
Heating power Heat Input BTU/h 770,000 BTU per h
Static Pressure W.C. (inch) 4 in
Current Max A 8.3 A
Current Service A 20
Diameter Air Inlet (qty 1) mm 508
Diameter Air Inlet (qty 1) in 20 in
Diameter Air Outlets (qty 1) mm 406
Frequency Generator Hz 60
Length Max Duct - 1 x 20in Return ft 1 x 20in Return: 200 ft
Length Max Duct - 1 x 16in Supply m 45.7
Length Max Duct - 1 x 16in Supply ft 150
Length Max Duct - 1 x 20in Return m 61
Length Max Duct - 1 x 20in Supply m 61
Length Max Duct - 1 x 20in Supply ft 200
Length Max Duct - 2 x 12in Supply m 22.9
Length Max Duct - 2 x 12in Supply ft 75
Operating performance Burner hp 0.25
Operating temperature Air Temperature Rise ° F 240 F
Power Blower kW 2.2
Receptacles 20A, 120V Twist Lock
Runtime Burner (75%) h At 75%: 48 h
Runtime Burner (100%) h 36
Runtime w/ genset (100%) h At 100%: 48 h
Tank capacity Useable Fuel US gal 25.9 gal
Voltage Generator V 120


L x W x H Overall mm 5470 x 2630 x 2240
L x W x H Overall in 215.5 x 103.5 x 88
L x W x H Shipping mm 5470 x 2580 x 2240
L x W x H Shipping in 215.5 x 101.5 x 88
Operating weight with Fuel kg 3,441
Operating weight with Fuel lb 7,586
Ground clearance mm 330
Ground clearance in 13
Weight without Fuel kg 2,623
Weight without Fuel lb 5,783

Canadian Owned, Alberta Strong

SSR Equipment Ltd is your one stop compact equipment dealership.