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Years in Production / 1974–1978
Hefty
Hi-G
Explore the specifications, hardware, and original references for the Hefty Hi-G.
No photo
27hp
Source index power
2WD Only
Drive
1974–1978
Production years
Hefty
Manufacturer
Hi-G / 01
At a glance
Production
High-Clearance tractor
Built in Juneau, Wisconsin, USA
- Manufacturer
- Hefty
Hydraulics
- Type
- open center
- Pressure
- 1500 psi103.4 bar
- Pump Flow
- 3.5 gpm13.2 lpm
Electrical
- Ground
- negative
- Battery Volts
- 12
Mechanical
Two-wheel drive
Manual steering
Mechanical dry disc brakes
Open operator station.
Hi-G / 02
Under the hood
Engine Detail (Option 1)
Continental R800-46
gasoline
4-cylinder
liquid-cooled
- Displacement
- 51.6 ci0.8 L
- Bore Stroke
- 2.28x3.14 inches58 x 80 mm
- Power
- 27 hp20.1 kW
- Starter
- electric
- Starter Volts
- 12
- Fuel Type
- gasoline
- Cylinders
- 4
- Cooling
- liquid-cooled
Engine Detail (Option 2)
Mitsubishi
diesel
2-cylinder
liquid-cooled
- Displacement
- 76 ci1.2 L
- Bore Stroke
- 3.54x3.86 inches90 x 98 mm
- Power
- 27 hp20.1 kW
- Starter
- electric
- Starter Volts
- 12
- Fuel Type
- diesel
- Cylinders
- 2
- Cooling
- liquid-cooled
Hi-G / 03
Gears & controls
Transmission
- Transmission Type
- gear
- Gears
- 6 forward and 1 reverse
- Clutch
- mechanical dry disc
Hi-G / 04
Size. Stance. Footprint.
Dimensions And Tires
- Wheelbase
- 76 inches*Multiple position front axle allowed for a wheelbase range of 76 to 90 inches.193 cm
- Weight
- 2950 lbs1338 kg
- Front Tire
- 5.00-15
- Rear Tire
- 9.5-24
Tires And Tracks
- Front Ag
- 5.00-15
- Front Ag
- 6.50-16
- Rear Ag
- 9.5-24
- Rear Ag
- 11.2-24
- Rear Ag
- 12.4-24
- Rear Ag
- 12.4-28