Hefty G
The Hefty G is a tractor produced by Hefty. It is equipped with a 51.6 ci 0.8 L engine. The rated power output is 27 hp 20.1 kW. Transmission: 6 forward and 1 reverse. Operating weight: 2100 lbs 952 kg.
Engine Power
27 hp
20.1 kW
Fuel & Capacities
Gasoline
Transmission
6 forward and 1 reverse
Operating Weight
2100 lbs
952 kg
Hefty 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
Tool Carrier tractor |
|---|---|
1974 - 1978 | |
Tool Carrier tractor | |
Production | |
|---|---|
Manufacturer | Hefty |
Tool Carrier tractor | |
Built in Juneau, Wisconsin, USA | |
Variants | |
|---|---|
Hi-G | high-crop tractor |
Hefty G Engine | |
|---|---|
Continental 0.8L 4-cyl gasoline | |
Engine details ... |
Hefty G Transmission | |
|---|---|
6-speed gear | |
Transmission details ... |
Hefty G Power | |
|---|---|
Engine | 27 hp
20.1 kW |
PTO (claimed) | 24 hp
17.9 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Steering | manual |
Steering | power OptOptional |
Mechanical disc brakes | |
Open operator station. | |
Hydraulics | |
|---|---|
Type | open center |
Pressure | 2000 psi
137.9 bar |
Valves | 2 |
Pump flow | 3.2 gpm
12.1 lpm |
Tractor hitch | |
|---|---|
Rear Type | I |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent OptOptional |
Rear PTO Type | 540 (1.375) |
1000 (1.375) | |
Mid PTO | independent OptOptional |
Mid PTO Type | 540 (1.375) |
1000 (1.375) | |
Dimensions & Tires | |
|---|---|
Wheelbase | 75 inches*Multipile position front axle allows for a wheelbase range of 75 to 89 inches.
190 cm |
Weight | 2100 lbs
952 kg |
Front tire | 5.00-15 |
Rear tire | 9.5-24 |
Full dimensions and tires ... | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
References | |
|---|---|
![]() | |
G - Implements published by Hefty | |
G published by Hefty |
Engine
Engine Detail — 51.6 ci / 0.8 L Gasoline
Manufacturer | Continental R800-46 |
Fuel Type | Gasoline |
Configuration | 4-cylinder, liquid-cooled |
The Continental R800 engine was built by Renault. | |
Displacement | 51.6 ci
0.8 L |
Bore/Stroke | 2.28x3.14 inches
58 x 80 mm |
Power | 27 hp
20.1 kW |
Compression | 8:1 |
Rated RPM | 3300 |
Firing order | 1-3-4-2 |
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 9.5-24 rear tires. | |
![]() | |
Dimensions
Hefty 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 | 75 inches*Multipile position front axle allows for a wheelbase range of 75 to 89 inches.
190 cm |
Length | 126 inches*At closest wheelbase position.
320 cm |
Height (steering wheel) | 64 inches
162 cm |
Shipping weight | 2100 lbs
952 kg |
Front tread | 40 to 60 inches
101 to 152 cm |
Rear tread | 36 to 62 inches
91 to 157 cm |
Attachments
Attachment overview | |
|---|---|
60" mid-mount mower deck | |
Blade | |
The Hefty G had a range of attachments available including cultivators, sprayers, fertilizers, and planters by Stanhay and Gandy. |
60" Mower deck | |
|---|---|
Type | mid-mount Hefty |
3-blade | |
Cutting width | 60 inches
152 cm |
Photos
Related models
Hefty F
- Power:
- 27
- Production years:
- 1974 - 1978
Hefty Hi-G
- Power:
- 27
- Production years:
- 1974 - 1978
Hefty LNT
- Power:
- 27
- Production years:
- 1974 - 1978



