Hefty F
The Hefty F 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: 2200 lbs 997 kg.
Engine Power
27 hp
20.1 kW
Fuel & Capacities
5 gal
18.9 L
Transmission
6 forward and 1 reverse
Operating Weight
2200 lbs
997 kg
Hefty F 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
Utility tractor |
|---|---|
1974 - 1978 | |
Utility tractor | |
Production | |
|---|---|
Manufacturer | Hefty |
Utility tractor | |
Built in Juneau, Wisconsin, USA | |
Hefty F Engine | |
|---|---|
Continental 0.8L 4-cyl gasoline | |
Fuel tank | 5 gal
18.9 L |
Engine details ... | |
Hefty F Transmission | |
|---|---|
6-speed gear | |
Transmission details ... |
Hefty F Power | |
|---|---|
Engine | 27 hp
20.1 kW |
PTO (claimed) | 24 hp
17.9 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Final drives | spur gear |
Manual steering | |
Mechanical disc brakes | |
Open operator station. | |
Hydraulics | |
|---|---|
Type | open center |
Pressure | 2000 psi
137.9 bar |
Pump flow | 3.2 gpm
12.1 lpm |
Tractor hitch | |
|---|---|
Rear Type | I |
Control | position control |
Rear lift (at ends) | 1570 lbs
712 kg |
Rear lift (at 24"/610mm) | 1210 lbs
548 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540 (1.375) |
Dimensions & Tires | |
|---|---|
Wheelbase | 72 inches
182 cm |
Weight | 2200 lbs
997 kg |
Front tire | 5.00-15 |
Rear tire | 11.2-24 |
Full dimensions and tires ... | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
References | |
|---|---|
![]() | |
F - Implements published by Hefty | |
FN 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 inline |
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 |
Coolant capacity | 5 qts
4.7 L |
Transmission
Transmission — 6 forward and 1 reverse gear
Type | gear |
Gears | 6 forward and 1 reverse |
Clutch | mechanical dry disc |
Two speeds, plus reverse, in three ranges. | |
![]() | |
Dimensions
Hefty F Tires | |
|---|---|
Ag front | 5.00-15 |
Ag rear | 11.2-24 |
Ag front | 6.00-12 |
Dimensions | |
|---|---|
Wheelbase | 72 inches
182 cm |
Height | 64 inches
162 cm |
Shipping weight | 2200 lbs
997 kg |
Front tread | 40 to 60 inches
101 to 152 cm |
Rear tread | 36 to 62 inches
91 to 157 cm |
Photos
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