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| info | |
| The 8650 was the middle model of John Deere's 50-series four-wheel drive tractors that were first available in 1982. Efficiency was the advertising focus, noting that these tractors could be used throughout the season, not simply for tillage. The 8650 was able to plant and cultivate 30-inch rows, and perform a variety of field operations with its draft-control hitch and full-power PTO. |
| Production | |
| Manufacturer: | John Deere |
| Factory: | Waterloo, Iowa, USA |
| Original price (USD): | $95,000 (1988) |
| Capacity | |
| Fuel: | 214 gal [810.0 L] |
| Hydraulic system: | 37.5 gal [141.9 L] |
| 3-Point Hitch | |
| Rear Type: | 3/3N |
| Control: | lower-link |
| Rear lift: | 9,260 lbs [4200 kg] |
| Power Take-off (PTO) | |
| Rear PTO: | independent (optional) |
| Clutch: | hydraulic wet disc |
| Rear RPM: | 1000 (1.75) |
| Dimensions & Tires | |
| Wheelbase: | 125 inches [317 cm] |
| Weight: | 29320 to 30270 pounds |
| Front tire: | 18.4-38 |
| Rear tire: | 18.4-38 |
| 8650 Serial Numbers | |
| Location: | Rear of tractor |
| John Deere 8650 Power | |
| Engine: | 290 hp [216.3 kW] |
| PTO (claimed): | 235 hp [175.2 kW] |
| Drawbar (tested): | 219.93 hp [164.0 kW] |
| PTO (tested): | 238.56 hp [177.9 kW] |
| Mechanical | |
| Chassis: | 4x4 articulated 4WD |
| Steering: | hydrostatic power |
| Brakes: | hydraulic wet disc |
| Cab: | Sound-Gard cab with air-conditioning |
| Hydraulics | |
| Type: | closed center constant-pressure |
| Capacity: | 37.5 gal [141.9 L] |
| Valves: | 2 to 4 |
| Pump flow: | 32 gpm [121.1 lpm] |
| Electrical | |
| Ground: | negative |
| Charging system: | alternator |
| Charging amps: | 110 |
| Battery | |
| Number: | 2 |
| Cold-cranking amps: | 975 |
| Volts: | 6 |
| info | |
| Bore/Stroke: | 5.12x5.00 inches [130 x 127 mm] |
| Power: | 290 hp [216.3 kW] |
| Air cleaner: | dual paper elements with aspirator |
| Compression: | 15.2:1 |
| Rated RPM: | 2100 |
| Starter volts: | 12 |
| Oil capacity: | 28 qts [26.5 L] |
| Coolant capacity: | 48 qts [45.4 L] |
| Engine Detail | |
| John Deere, intercooled turbocharged diesel, 6-cylinder, liquid-cooled, 619 ci [10.1 L] |
| info | |
| Speeds: | 18.4-38 tires |
| Transmission | |
| Transmission: | Quad-Range |
| Type: | partial power shift |
| Gears: | 16 forward and 6 reverse |
| Clutch: | Perma-Clutch hydraulic wet discs |
| Oil capacity: | 150 qts [142.0 L] |
| Tractor must be stopped to select one of four ranges. Clutchless power shift between speeds 1-2 and 3-4 in range. A synchronized shift (using clutch) can be made between 2 and 3 in range. | |
| info | |
| Previous model: | John Deere 8640 |
| Next model: | John Deere 8760 |
| Series next: | John Deere 8850 |
| Series back: | John Deere 8450 |
| Dimensions | |
| Weight (shipping): | 29,320 lbs [13299 kg] |
| Weight (operating): | 30,270 lbs [13730 kg] |
| Wheelbase: | 125 inches [317 cm] |
| Length: | 223.5 inches [567 cm] |
| Front axle: | Standard axle: 3.938 by 96 inches [100x2438 mm] Long axle: 3.937 by 118.6 inches [99x3012 mm] |
| Rear axle: | Standard axle: 3.938 by 96 inches [100x2438 mm] Long axle: 3.937 by 118.6 inches [99x3012 mm] |
| Front tread: | 66 to 129 inches [167 to 327 cm] |
| Rear tread: | 66 to 129 inches [167 to 327 cm] |
| 4WD turn radius: | 17.8 feet [5.4 m] |
| John Deere 8650 Tires | |
| Ag front: | 20.8-34, 20.8-38, 23.1-34 |
| Ag rear: | 20.8-34, 20.8-38, 23.1-34 |