John Deere 8630: all source data
All 66 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) | Four-wheel Drive (4WD) tractor |
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| (no label) | Built in Waterloo, Iowa, USA |
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| (no label) | Original price was $53,000 in 1978 |
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Engine| (no label) | John Deere 10.1L 6-cyl diesel |
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Transmission| (no label) | 16-speed partial power shift |
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Power| Engine | 275 hp | 205.1 kW |
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| PTO (claimed) | 225 hp | 167.8 kW |
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| Drawbar (tested) | 198.12 hp | 147.7 kW |
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| PTO (tested) | 225.59 hp | 168.2 kW |
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Mechanical| (no label) | Four-wheel drive |
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| Steering | hydraulic power |
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| (no label) | Hydraulic wet disc brakes |
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| (no label) | Sound-Gard cab standard. Optional air-conditioning. |
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Capacity| Fuel | 156 gal | 590.5 L |
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| Hydraulic system | 26 gal | 98.4 L |
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Hydraulics| Type | closed center constant pressure |
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| Capacity | 26 gal | 98.4 L |
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| Valves | 2 |
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| Pump flow | 33 gpm | 124.9 lpm |
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Pto| Rear PTO | independent |
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| Rear PTO Type | 1000 |
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| Engine RPM | 2100 |
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Dimensions| Wheelbase | 125 inches | 317 cm |
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| Weight | 24150 to 24500 pounds |
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| Front tire | 18.4-34 |
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| Rear tire | 18.4-34 |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Batteries | 2 |
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| Battery CCA | 975 |
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| Battery volts | 6 |
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Engine
Engine detail| (no label) | John Deere |
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| (no label) | turbocharged diesel |
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| (no label) | 6-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 619 ci | 10.1 L |
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| Bore/Stroke | 5.12x5.00 inches | 130 x 127 mm |
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| Power | 275 hp | 205.1 kW |
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| Air cleaner | dry |
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| Compression | 15.4:1 |
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| Rated RPM | 2100 |
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| Idle RPM | 800-2300 |
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| Operating RPM | 1500-2100 |
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| Starter volts | 12 |
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| Coolant capacity (Coolant) | 44 qts | 41.6 L |
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Transmission
Transmission| Transmission | John Deere Quad-Range |
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| Type | partial power shift |
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| Gears | 16 forward and 4 reverse |
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| Clutch | hydraulic wet disc |
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Dimensions
Tires| Ag front | 18.4-34 |
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| Ag rear | 18.4-34 |
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Dimensions| Wheelbase | 125 inches | 317 cm |
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| Length | 223.5 inches | 567 cm |
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| Width | 95.8 inches | 243 cm |
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| Width | 118.4 inches | 300 cm |
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| Height (exhaust) | 134.5 inches | 341 cm |
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| Ground clearance | 19.4 inches | 49 cm |
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| Front axle | 3.622 by 96 inches | 91 by 2438 mm |
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| Front axle | 3.622 by 118 inches | 91 by 2997 mm |
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| Rear axle | 3.622 by 96 inches | 91 by 2438 mm |
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| Rear axle | 3.622 by 118 inches | 91 by 2997 mm |
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Weight| Shipping | 24150 lbs | 10954 kg |
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| Operating | 24500 lbs | 11113 kg |
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| Ballasted | 26480 lbs | 12011 kg |
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