Hefty Hi-G
The Hefty Hi-G is a tractor produced by Hefty. It is equipped with a 76 ci 1.2 L engine. The rated power output is 27 hp 20.1 kW. Transmission: 6 forward and 1 reverse. Operating weight: 2950 lbs 1338 kg.
Engine Power
27 hp
20.1 kW
Fuel & Capacities
Diesel
Transmission
6 forward and 1 reverse
Operating Weight
2950 lbs
1338 kg
Hefty Hi-G Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | 1974 - 1978
High-Clearance tractor |
|---|---|
1974 - 1978 | |
High-Clearance tractor | |
Production | |
|---|---|
Manufacturer | Hefty |
High-Clearance tractor | |
Built in Juneau, Wisconsin, USA | |
Hefty Hi-G Transmission | |
|---|---|
6-speed gear | |
Transmission details ...  |
Hefty Hi-G Power | |
|---|---|
Engine | 27 hp
20.1 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Mechanical dry disc brakes | |
Open operator station. |
Hydraulics | |
|---|---|
Type | open center |
Pressure | 1500 psi
103.4 bar |
Pump flow | 3.5 gpm
13.2 lpm |
Dimensions & Tires | |
|---|---|
Wheelbase | 76 inches*Multiple position front axle allowed for a wheelbase range of 76 to 90 inches.
193 cm |
Weight | 2950 lbs
1338 kg |
Front tire | 5.00-15 |
Rear tire | 9.5-24 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
References | |
|---|---|
 | |
Hi-G - High Clearance Nursery Tractor published by Hefty |
Engine
Engine options | |
|---|---|
Continental 0.8L 4-cyl gasoline | |
Mitsubishi 1.2L 2-cyl diesel |
Engine Detail — 51.6 ci / 0.8 L Gasoline
Manufacturer | Continental R800-46 |
Fuel Type | Gasoline |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 51.6 ci
0.8 L |
Bore/Stroke | 2.28x3.14 inches
58 x 80 mm |
Power | 27 hp
20.1 kW |
Starter | electric |
Starter volts | 12 |
Engine Detail — 76 ci / 1.2 L Diesel
Manufacturer | Mitsubishi |
Fuel Type | Diesel |
Configuration | 2-cylinder, liquid-cooled |
Displacement | 76 ci
1.2 L |
Bore/Stroke | 3.54x3.86 inches
90 x 98 mm |
Power | 27 hp
20.1 kW |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — 6 forward and 1 reverse gear
Type | gear |
Gears | 6 forward and 1 reverse |
Clutch | mechanical dry disc |
With 12.4-28 rear tires. | |
 | |
Dimensions
Hefty Hi-G Tires | |
|---|---|
Ag front | 5.00-15 |
Ag rear | 9.5-24 |
Ag front | 6.50-16 |
Ag rear | 11.2-24 |
12.4-24 | |
12.4-28 | |
Dimensions | |
|---|---|
Wheelbase | 76 inches*Multiple position front axle allowed for a wheelbase range of 76 to 90 inches.
193 cm |
Length | 125 inches*At closest wheelbase setting.
317 cm |
Height (steering wheel) | 82 inches
208 cm |
Weight | 2950 lbs
1338 kg |
Ground clearance | 36 inches*Optional configurations allowed for a ground clearance up to 48 inches.
91 cm |
Photos
Hefty Hi-G tractor photo