John Deere 80: all source data
All 55 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 | John Deere |
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| (no label) | Standard-tread tractor |
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| (no label) | Built in Waterloo, Iowa, USA |
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| Total built | 3,485 |
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Engine| (no label) | John Deere 7.7L 2-cyl diesel |
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| Fuel tank | 32.5 gal | 123.0 L |
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| Aux. fuel | 0.25 gal | 0.9 L |
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Transmission| (no label) | 6-speed unsynchronized gear |
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Power| Drawbar (claimed) | 46.32 hp | 34.5 kW |
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| Belt (claimed) | 57.49 hp | 42.9 kW |
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| Drawbar (tested) | 60.36 hp | 45.0 kW |
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| Belt (tested) | 65.33 hp | 48.7 kW |
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Mechanical| (no label) | Two-wheel drive |
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| Steering | manual |
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| Steering | power assist optional |
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| (no label) | Mechanical expanding shoe brakes |
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| (no label) | Open operator station. Optional steel cab. |
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Dimensions| Wheelbase | 85.5 inches | 217 cm |
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| Weight | 8300 lbs | 3764 kg |
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| Front tire | 7.50-18 |
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| Rear tire | 15-34 |
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Serial location| (no label) | Serial number plate on the right side of the John Deere 80, ahead of the pulley and below the fuel filter. |
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Belt pulley| Diameter | 12.2 inches | 30 cm |
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| Width | 9 inches | 22 cm |
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| RPM | 1125 |
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| Speed | 3599 ft/min | 1096.98 meters/min |
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Electrical| Ground | positive |
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| Battery volts | 6 |
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Engine
Engine detail| (no label) | John Deere |
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| (no label) | diesel |
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| (no label) | 2-cylinder 4-valve |
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| (no label) | liquid-cooled |
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| Displacement | 470.7 ci | 7.7 L |
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| Bore/Stroke | 6.125x8.00 inches | 156 x 203 mm |
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| Air cleaner | oil bath |
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| Compression | 16:1 |
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| Rated RPM | 1125 |
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| Firing order | 1-2 |
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| Starter type | V4 gasoline pony motor |
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| Coolant capacity (Coolant) | 35 qts | 33.1 L |
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Transmission
Transmission| Transmission | John Deere |
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| Type | unsynchronized gear |
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| Gears | 6 forward and 1 reverse |
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| Clutch | dry disc |
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Dimensions
Tires| Ag front | 7.50-18 |
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| Ag rear | 15-34 |
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Dimensions| Wheelbase | 85.5 inches | 217 cm |
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| Length | 142.75 inches | 362 cm |
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| Width | 79.5 inches | 201 cm |
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| Height | 81 inches | 205 cm |
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| Weight | 8300 lbs | 3764 kg |
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| Ballasted weight | 11485 lbs | 5209 kg |
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| Front tread | 56.5 inches | 143 cm |
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| Rear tread | 64.5/68.5 inches | 163/173 cm |
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