Hefty F: all source data
All 62 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | Hefty |
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| (no label) | Utility tractor |
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| (no label) | Built in Juneau, Wisconsin, USA |
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Engine| (no label) | Continental 0.8L 4-cyl gasoline |
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| Fuel tank | 5 gal | 18.9 L |
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Transmission| (no label) | 6-speed gear |
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Power| Engine | 27 hp | 20.1 kW |
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| PTO (claimed) | 24 hp | 17.9 kW |
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Mechanical| (no label) | Two-wheel drive |
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| Final drives | spur gear |
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| (no label) | Manual steering |
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| (no label) | Mechanical disc brakes |
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| (no label) | Open operator station. |
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Hydraulics| Type | open center |
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| Pressure | 2000 psi | 137.9 bar |
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| Pump flow | 3.2 gpm | 12.1 lpm |
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Hitch| Rear Type | I |
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| Control | position control |
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| Rear lift (at ends) | 1570 lbs | 712 kg |
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| Rear lift (at 24"/610mm) | 1210 lbs | 548 kg |
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Pto| Rear PTO | independent |
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| Rear PTO Type | 540 (1.375) |
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Dimensions| Wheelbase | 68 inches | 172 cm |
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| Weight | 2200 lbs | 997 kg |
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| Front tire | 5.00-15 |
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| Rear tire | 11.2-24 |
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Electrical| Ground | negative |
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| Battery volts | 12 |
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Engine
Engine detail| (no label) | Continental R800-46 |
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| (no label) | gasoline |
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| (no label) | 4-cylinder |
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| (no label) | liquid-cooled inline |
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| (no label) | The Continental R800 engine was built by Renault. |
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| Displacement | 51.6 ci | 0.8 L |
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| Bore/Stroke | 2.28x3.14 inches | 58 x 80 mm |
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| Power | 27 hp | 20.1 kW |
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| Compression | 8:1 |
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| Rated RPM | 3300 |
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| Firing order | 1-3-4-2 |
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| Starter | electric |
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| Starter volts | 12 |
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| Coolant capacity (Coolant) | 5 qts | 4.7 L |
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Transmission
Transmission| Type | gear |
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| Gears | 6 forward and 1 reverse |
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| Clutch | mechanical dry disc |
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| (no label) | Two speeds, plus reverse, in three ranges. |
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Dimensions
Tires| Ag front | 5.00-15 |
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| Ag rear | 11.2-24 |
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| Ag front | 6.00-12 |
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Dimensions| Wheelbase | 68 inches | 172 cm |
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| Length | 101 inches | 256 cm |
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| Height (steering wheel) | 58 inches | 147 cm |
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| Shipping weight | 2200 lbs | 997 kg |
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| Ground clearance | 18.5 inches (frame) | 46 cm |
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| Clearance (front axle) | 16 inches | 40 cm |
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| Clearance (rear axle) | 19.5 inches | 49 cm |
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| Front tread | 40 to 60 inches (F) | 101 to 152 cm |
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| Front tread | 48 to 76 inches (FN) | 121 to 193 cm |
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| Front tread | 60 to 80 inches (FW) | 152 to 203 cm |
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| Rear tread | 38 to 62 inches (F) | 96 to 157 cm |
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| Rear tread | 46 to 84 inches (FN) | 116 to 213 cm |
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| Rear tread | 60 to 84 inches (FW) | 152 to 213 cm |
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