The John Deere 4650 is a 2WD or 4WD row-crop tractor from the 50 series. This tractor was manufactured by John Deere in Waterloo, Iowa, USA from 1983 to 1988. The John Deere 4650 is equipped with a 7.6 L (466.0 cu·in) six-cylinder diesel engine and one of two transmissions: a partial power shift transmission with 16 forward and 6 reverse gears and Perma-Clutch wet disc clutch or a full power shift transmission with 15 forward and 4 reverse gears and Perma-clutch wet disc clutch.
The JD 4650 row-crop tractor used the John Deere engine. It is a 7.6 L, 7,637 cm2, (466.0 cu·in) six-cylinder turbocharged intercooled diesel engine with 116.0 mm (4.57 in) of the cylinder bore and 121.0 mm (4.76 in) of the piston stroke. The compression ratio rating is 15.8:1. This engine produced 185.6 PS (136.5 kW; 183.0 HP) at 2,200 rpm of output power.
The JD 4650 is equipped with power steering, hydraulic wet disc brakes, Sound-Gard cab, or four-post Roll-Gard ROPS (optional) and liters (0 US gal.; 0 Imp. gal) fuel tank. This tractor could be equipped with the John Deere 280 loader.
John Deere 4650 Specifications
| General Specifications | |
| Model | John Deere 4650 |
| Length | 2WD: 4,560 mm (179.5 in) 4WD: 4,690 mm (184.6 in) |
| Width | 2,990 mm (117.7 in) |
| Height | 2,990 mm (117.7 in) |
| Wheel base | 2WD: 3,000 mm (118.1 in) 4WD: 2,970 mm (116.9 in) |
| Ground clearance | 370 mm (14.6 in) |
| Weight (operating) | 2WD Power Shift: 8,430 kg (18,585 lbs) |
| Fuel tank capacity | liters (0 US gal.; 0 Imp. gal) |
| Battery | |
| Cabin type | Sound-Gard cab or four-post Roll-Gard ROPS (optional) |
| Engine | |
| Engine model | John Deere |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 6 |
| Fuel type | Diesel |
| Displacement | 7.6 L, 7,637 cm2, (466.0 cu·in) |
| Bore and stroke | 116.0 mm X 121.0 mm (4.57 in X 4.76 in) |
| Compression ratio | 15.8:1 |
| Horsepower | 185.6 PS (136.5 kW; 183.0 HP) at 2,200 rpm |
| Starter | Electric |
| Oil capacity: | 19.9 L (21 US. qt, 17.5 Imp. qt.) |
| Coolant capacity: | 30.3 L (32 US. qt, 26.7 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×2 2WD or 4×4 MFWD 4WD |
| Steering type | Power |
| Brakes | Hydraulic wet disc |
| Final drive | Inboard planetary |
| Differential lock | Hydraulic rear |
| Transmission model | John Deere Quad-Range |
| Transmission type | Partial power shift with Perma-Clutch wet disc clutch |
| Gears | 16 forward and 6 reverse |
| Speed | Forward: 31.7 kmh (19.7 mph) Reverse: 20.4 (12.7 mph) |
| Transmission oil capacity | 101.8 L (26.9 US. gal, 22.4 Imp. gal.) |
| Transmission model | John Deere Power Shift |
| Transmission type | Full power shift with Perma-Clutch wet disc clutch |
| Gears | 15 forward and 4 reverse |
| Speed | Forward: 28.8 kmh (17.9 mph) Reverse: 9.6 (6 mph) |
| Transmission oil capacity | 2WD: 70.4 L (18.6 US. gal, 15.5 Imp. gal.) 4WD: 81.8 L (21.6 US. gal, 18.0 Imp. gal.) |
| Tires | |
| Front tires | Ag: 11.00-16 |
| Rear tires | Ag: 20.8-38 |
| Three-Point Hitch | |
| Category | III |
| Control type | Lower-link draft sensing |
| Lift capacity (at ends) | 3,845 kg (8,480 lbs) |
| PTO (Power take-off shaft) | |
| Rear PTO type | Independent with hydraulic wet disc clutch |
| Rear PTO speed | 1,000 rpm |
| Hydraulic system | |
| Hydraulic type | Closed center |
| Pressure | 2277 psi (157.0 bar) |
| Valves | 2 to 3 |
| Pump flow | 29.3 gpm (110.9 lpm) |
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