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Hefty LNT

Hefty LNT tractor
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The Hefty LNT is an orchard/vineyard tractor produced from 1974 to 1978 by Hefty in Juneau, Wisconsin, USA. It features a Continental R800-46 0.8L 4-cylinder liquid-cooled gasoline engine built by Renault, producing 27 hp (20.1 kW). The tractor has a 6-speed gear transmission with 6 forward and 1 reverse gear, two-wheel drive, manual steering, and mechanical disc brakes. It includes an open operator station and an independent rear PTO with 540 rpm. The hydraulic system is open center with 2000 psi pressure and 3.2 gpm pump flow. The tractor hitch is category I with position control and rear lift capacities of 1570 lbs at ends and 1210 lbs at 24 inches. Dimensions include a 72-inch wheelbase, 57-inch height, and a shipping weight of 2150 lbs. Tires are 4.00x15 front and 8.3x24 rear. Electrical system is 12 volts with negative ground.
Hefty LNTtractororchard tractorvineyard tractorContinental R800 engine27 hp tractor6-speed transmissionfarm tractor specifications
Power27 hp
Founded1974 - 1978
ModelLNT

Technical Specifications

Detailed specifications and technical data for Hefty LNT

Power

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

Engine

Type:gasoline
Model:Continental R800-46
Notes:The Continental R800 engine was built by Renault.
Power:27 hp (20.1 kW)
Cooling:liquid-cooled
Starter:electric
Cylinders:4-cylinder
Fuel tank:5 gal (18.9 L)
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

Electrical

Ground:negative
Battery volts:12

Hydraulics

Type:open center
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 steering
Operator station:Open operator station

Production

Type:Orchard/Vineyard tractor
Built in:Juneau, Wisconsin, USA
Years made:1974 - 1978

Transmission

Type:gear
Gears:6 forward and 1 reverse

Tractor hitch

Control:position control
Rear Type:I
Rear lift (at ends):1570 lbs (712 kg)
Rear lift (at 24"/610mm):1210 lbs (548 kg)

Dimensions & Tires

Height:57 inches (144 cm)
Rear tire:8.3x24
Wheelbase:72 inches (182 cm)
Front tire:4.00x15
Rear tread:27 to 47 inches (68 to 119 cm)
Front tread:32 to 40 inches (81 to 101 cm)
Shipping weight:2150 lbs (975 kg)

Power Take-off (PTO)

Rear PTO:independent
Rear PTO Type:540 (1.375)