Hefty
Hefty Hi-G
The Hefty Hi-G is a high-clearance farm tractor produced from 1974 to 1978 by Hefty in Juneau, Wisconsin, USA. It features two engine options: a Continental 0.8L 4-cylinder gasoline engine and a Mitsubishi 1.2L 2-cylinder diesel engine, both producing 27 hp (20.1 kW). The tractor has a 6-speed gear transmission with mechanical dry disc clutch, two-wheel drive, and manual steering. It offers multiple tire options and adjustable wheelbase from 76 to 90 inches. The Hi-G is designed for high-clearance applications with optional ground clearance up to 48 inches and an open operator station.
Power27 hp
Founded1974 - 1978
ModelHi-G
Technical Specifications
Detailed specifications and technical data for Hefty Hi-G
Power
| Engine power | 27 hp (20.1 kW) |
|---|
Tires
| Rear tire options | 9.5-24, 11.2-24, 12.4-24, 12.4-28 |
|---|---|
| Front tire options | 5.00-15, 6.50-16 |
Engine
| Power | 27 hp (20.1 kW) |
|---|---|
| Starter | electric |
| Mitsubishi | diesel, 2-cylinder, liquid-cooled |
| Bore/Stroke | 2.28x3.14 inches (58 x 80 mm) |
| Displacement | 51.6 ci (0.8 L) |
| Starter volts | 12 |
| Engine options | Continental 0.8L 4-cyl gasoline, Mitsubishi 1.2L 2-cyl diesel |
| Power Mitsubishi | 27 hp (20.1 kW) |
| Starter Mitsubishi | electric |
| Continental R800-46 | gasoline, 4-cylinder, liquid-cooled |
| Bore/Stroke Mitsubishi | 3.54x3.86 inches (90 x 98 mm) |
| Displacement Mitsubishi | 76 ci (1.2 L) |
| Starter volts Mitsubishi | 12 |
Dimensions
| Length | 125 inches (317 cm) - At closest wheelbase setting |
|---|---|
| Weight | 2950 lbs (1338 kg) |
| Wheelbase | 76 inches (193 cm) - Multiple position front axle allowed for a wheelbase range of 76 to 90 inches |
| Ground clearance | 36 inches (91 cm) - Optional configurations allowed for a ground clearance up to 48 inches |
| Height (steering wheel) | 82 inches (208 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
Hydraulics
| Type | open center |
|---|---|
| Pressure | 1500 psi (103.4 bar) |
| Pump flow | 3.5 gpm (13.2 lpm) |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | Mechanical dry disc brakes |
| Steering | Manual steering |
| Operator station | Open operator station |
Production
| Built in | Juneau, Wisconsin, USA |
|---|---|
| Description | High-Clearance tractor |
| Manufacturer | Hefty |
| Years produced | 1974 - 1978 |
References
| Reference | Hi-G - High Clearance Nursery Tractor published by Hefty |
|---|
Transmission
| Type | gear |
|---|---|
| Gears | 6 forward and 1 reverse |
| Clutch | mechanical dry disc |