Tractorpedia.com

Hefty Hi-G

Hefty Hi-G tractor
View Images
The Hefty Hi-G is a high-clearance farm tractor produced from 1974 to 1978 by Hefty in Juneau, Wisconsin, USA. It features two engine options: a Continental 0.8L 4-cylinder gasoline engine and a Mitsubishi 1.2L 2-cylinder diesel engine, both producing 27 hp (20.1 kW). The tractor has a 6-speed gear transmission with mechanical dry disc clutch, two-wheel drive, and manual steering. It offers multiple tire options and adjustable wheelbase from 76 to 90 inches. The Hi-G is designed for high-clearance applications with optional ground clearance up to 48 inches and an open operator station.
Hefty Hi-GHefty tractorhigh-clearance tractorfarm tractorContinental engineMitsubishi enginetractor specifications
Power27 hp
Founded1974 - 1978
ModelHi-G

Technical Specifications

Detailed specifications and technical data for Hefty Hi-G

Power

Engine power:27 hp (20.1 kW)

Tires

Rear tire options:9.5-24, 11.2-24, 12.4-24, 12.4-28
Front tire options:5.00-15, 6.50-16

Engine

Power:27 hp (20.1 kW)
Starter:electric
Mitsubishi:diesel, 2-cylinder, liquid-cooled
Bore/Stroke:2.28x3.14 inches (58 x 80 mm)
Displacement:51.6 ci (0.8 L)
Starter volts:12
Engine options:Continental 0.8L 4-cyl gasoline, Mitsubishi 1.2L 2-cyl diesel
Power Mitsubishi:27 hp (20.1 kW)
Starter Mitsubishi:electric
Continental R800-46:gasoline, 4-cylinder, liquid-cooled
Bore/Stroke Mitsubishi:3.54x3.86 inches (90 x 98 mm)
Displacement Mitsubishi:76 ci (1.2 L)
Starter volts Mitsubishi:12

Dimensions

Length:125 inches (317 cm) - At closest wheelbase setting
Weight:2950 lbs (1338 kg)
Wheelbase:76 inches (193 cm) - Multiple position front axle allowed for a wheelbase range of 76 to 90 inches
Ground clearance:36 inches (91 cm) - Optional configurations allowed for a ground clearance up to 48 inches
Height (steering wheel):82 inches (208 cm)

Electrical

Ground:negative
Battery volts:12

Hydraulics

Type:open center
Pressure:1500 psi (103.4 bar)
Pump flow:3.5 gpm (13.2 lpm)

Mechanical

Drive:Two-wheel drive
Brakes:Mechanical dry disc brakes
Steering:Manual steering
Operator station:Open operator station

Production

Built in:Juneau, Wisconsin, USA
Description:High-Clearance tractor
Manufacturer:Hefty
Years produced:1974 - 1978

References

Reference:Hi-G - High Clearance Nursery Tractor published by Hefty

Transmission

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