Hefty
Hefty LNT
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.
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) |