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Years in Production / 1974–1978

Hefty

F

Explore the specifications, hardware, and original references for the Hefty F.

Generic tractor; no model photo available
No photo

27hp

Source index power

2WD Only

Drive

1974–1978

Production years

Hefty

Manufacturer

F / 01

At a glance

Production

Utility tractor

Built in Juneau, Wisconsin, USA

Manufacturer
Hefty

Mechanical

Two-wheel drive

Manual steering

Mechanical disc brakes

Open operator station.

Final Drives
spur gear

Hydraulics

Type
open center
Pressure
2000 psi137.9 bar
Pump Flow
3.2 gpm12.1 lpm

Hitch

Rear Type
I
Control
position control
Rear Lift At Ends
1570 lbs712 kg
Rear Lift At24610mm
1210 lbs548 kg

Pto

Rear Pto
independent
Rear Type
540 (1.375)

Electrical

Ground
negative
Battery Volts
12

F / 02

Under the hood

Engine Detail

Continental R800-46

gasoline

4-cylinder

liquid-cooled inline

The Continental R800 engine was built by Renault.

Displacement
51.6 ci0.8 L
Bore Stroke
2.28x3.14 inches58 x 80 mm
Power
27 hp20.1 kW
Compression Ratio
8:1
Rated Rpm
3300
Firing Order
1-3-4-2
Starter
electric
Starter Volts
12
Coolant Capacity
5 qts4.7 L
Fuel Type
gasoline
Cylinders
4
Cooling
liquid-cooled inline

Engine Options

Continental 0.8L 4-cyl gasoline

Fuel Tank
5 gal18.9 L

F / 03

Gears & controls

Transmission

Two speeds, plus reverse, in three ranges.

Transmission Type
gear
Gears
6 forward and 1 reverse
Clutch
mechanical dry disc

F / 04

Size. Stance. Footprint.

Dimensions

Height
64 in162 cm
Wheelbase
72 in182 cm
Front tread
40 in101 cm
Rear tread
36 in91 cm

Dimensions And Tires

Wheelbase
68 inches172 cm
Weight
2200 lbs997 kg
Front Tire
5.00-15
Rear Tire
11.2-24

Tires And Tracks

Front Ag
5.00-15
Front Ag
6.00-12
Rear Ag
11.2-24