John Deere 830: all source data
All 71 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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| Factories | Waterloo, Iowa, USA |
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| Factories | Monterrey, Mexico |
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| Total built | 6715 |
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| (no label) | For starting, the 830 offered a 4-cylinder gasoline pony engine, or a 24-volt electric start. |
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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 | 1 gal | 3.8 L |
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Transmission| (no label) | 6-speed unsynchronized |
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Power| Drawbar (claimed) | 69.66 hp | 51.9 kW |
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| Belt (claimed) | 75.6 hp | 56.4 kW |
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| Plows | 6 |
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| Drawbar (tested) | 67.15 hp | 50.1 kW |
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| Belt (tested) | 72.82 hp | 54.3 kW |
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Mechanical| (no label) | Two-wheel drive |
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| Final drives | bull gear |
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| Steering | hydraulic power |
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| (no label) | Mechanical expanding shoe brakes |
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| (no label) | open operator station. Steel cab available. |
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Hydraulics| Type | open center |
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| Valves | 1 or 2 |
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Pto| Rear PTO | independent |
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| Rear PTO Type | 540 (1.375) |
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| Engine RPM | 536@1125 |
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Dimensions| Wheelbase | 85.25 inches | 216 cm |
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| Weight | 7850 to 8635 pounds |
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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 830 frame, ahead of the pulley. |
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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 | 3600 ft/min | 1097.28 meters/min |
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Electrical| Ground | positive |
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| Batteries | 1 (pony) |
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| Batteries | 4 (electric-start) |
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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 |
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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 | Gasoline pony engine |
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| Starter | electric optional |
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| Starter volts | 24 |
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| Coolant capacity (Coolant) | 24 qts | 22.7 L |
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Engine oil| Oil capacity | 14 qts | 13.2 L |
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Transmission
Transmission| Type | unsynchronized |
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| Gears | 6 forward and 1 reverse |
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| Oil capacity | 13 qts | 12.3 L |
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| (no label) | Optional creeper first gear has 1.75 MPH speed. |
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Dimensions
Tires| Ag front | 7.50-18 |
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| Ag rear | 15-34 |
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| Ag rear | 14-34 |
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| Ag rear | 18-26 |
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Dimensions| Wheelbase | 85.25 inches | 216 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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| Rear axle | 3.25 inch diameter | 82 mm |
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| Front tread | 56.5 to 63 inches | 143 to 160 cm |
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| Rear tread | 64.5 to 68.5 inches | 163 to 173 cm |
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Weight| Shipping | 7850 lbs | 3560 kg |
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| Operating | 8635 lbs | 3916 kg |
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| Ballasted | 11995 lbs | 5440 kg |
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