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Hefty G

Hefty G tractor
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The Hefty G is a tool carrier tractor produced by Hefty from 1974 to 1978 in Juneau, Wisconsin, USA. It features a Continental 0.8L 4-cylinder gasoline engine producing 27 hp (20.1 kW) with a 6-speed gear transmission. The tractor is two-wheel drive with manual or optional power steering and mechanical disc brakes. It has an open operator station and offers optional independent rear and mid PTOs with 540 and 1000 rpm types. The hydraulics system is open center with 2000 psi pressure and 3.2 gpm pump flow. The tractor supports various attachments including a 60" mid-mount mower deck and a 72" blade. Tires and dimensions allow for multiple configurations with a wheelbase range of 75 to 89 inches.
Hefty GHefty tractortool carrier tractorContinental R800 engine27 hp tractor6-speed transmissionfarm tractor specifications
Power27 hp
Founded1974 - 1978
ModelG

Technical Specifications

Detailed specifications and technical data for Hefty G

Power

Engine:27 hp (20.1 kW)
PTO (claimed):24 hp (17.9 kW)

Engine

Type:gasoline
Model:Continental R800-46
Power:27 hp (20.1 kW)
Cooling:liquid-cooled
Starter:electric
Cylinders:4-cylinder
Rated RPM:3300
Bore/Stroke:2.28x3.14 inches (58 x 80 mm)
Compression:8:1
Displacement:51.6 ci (0.8 L)
Firing order:1-3-4-2
Starter volts:12

Variants

Hi-G:high-crop tractor

Electrical

Ground:negative
Battery volts:12

Hydraulics

Type:open center
Valves:2
Pressure:2000 psi (137.9 bar)
Pump flow:3.2 gpm (12.1 lpm)

Mechanical

Drive:Two-wheel drive
Brakes:Mechanical disc brakes
Steering:manual, power (Optional)
Operator station:Open operator station

Production

Type:Tool Carrier tractor
Built in:Juneau, Wisconsin, USA
Manufacturer:Hefty
Years produced:1974 - 1978

Attachments

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.
72" Blade:IMCO, mid-mount, 72 inches width (182 cm)
60" Mower deck:mid-mount Hefty, 3-blade, Cutting width 60 inches (152 cm)

Transmission

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

Tractor hitch

Rear Type:I

Dimensions & Tires

Length:126 inches (320 cm) (At closest wheelbase position.)
Rear tire:9.5-24, 11.2-24, 12.4-24, 12.4-28
Wheelbase:75 inches (190 cm) (Multipile position front axle allows for a wheelbase range of 75 to 89 inches.)
Front tire:5.00-15, 6.50-16
Rear tread:36 to 62 inches (91 to 157 cm)
Front tread:40 to 60 inches (101 to 152 cm)
Shipping weight:2100 lbs (952 kg)
Height (steering wheel):64 inches (162 cm)

Power Take-off (PTO)

Mid PTO:independent (Optional)
Rear PTO:independent (Optional)
Mid PTO Type:540 (1.375), 1000 (1.375)
Rear PTO Type:540 (1.375), 1000 (1.375)