John Deere 4640: all source data
All 77 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) | Row-Crop tractor |
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Engine| (no label) | John Deere 7.6L 6-cyl diesel |
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| Fuel tank | 83 gal | 314.2 L |
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Transmission| (no label) | 16-speed partial power shift |
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| (no label) | 8-speed full power shift |
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Power| Engine (gross) | 185.1 hp | 138.0 kW |
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| Engine (net) | 174.3 hp | 130.0 kW |
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| PTO (claimed) | 155.6 hp | 116.0 kW |
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Mechanical| Drive | 4x2 2WD |
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| Drive | 4x4 HFWD 4WD |
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| Drive | 4x4 MFWD 4WD |
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| Final drives | planetary |
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| Differential lock | hydro-mechanical |
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| (no label) | Power steering |
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| (no label) | Hydraulic wet disc brakes |
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| (no label) | Cab standard. |
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Hydraulics| Type | closed center |
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Hitch| Rear Type | III |
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| Control | position and draft control |
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Pto| Rear PTO | independent |
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| Clutch | hydraulic wet disc |
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| Rear PTO Type | 1000 (1.75) |
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Dimensions| Wheelbase | 118.5 inches | 300 cm |
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| Weight | 14350 lbs | 6509 kg |
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| Front tire | 11.00-16 |
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| Rear tire | 20.8-38 |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Charging amps | 88 |
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| Batteries | 2 |
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| Battery volts | 12 |
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| Battery AH | 88 |
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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 | 466 ci | 7.6 L |
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| Bore/Stroke | 4.5625x4.75 inches | 116 x 121 mm |
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| Power (net) | 174.3 hp | 130.0 kW |
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| Power (gross) | 185.1 hp | 138.0 kW |
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| Fuel system | direct injection |
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| Compression | 14.9:1 |
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| Rated RPM | 2200 |
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| Idle RPM | 800-2400 |
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| Operating RPM | 1400-2200 |
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| Torque | 529.6 lb-ft | 718.1 Nm |
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| Torque RPM | 1400 |
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| Starter | electric |
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| Starter volts | 12 |
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| Oil capacity | 20.1 qts | 19.0 L |
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| Coolant capacity (Coolant) | 38 qts | 36.0 L |
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Transmission
Transmission options| (no label) | 16-speed partial power shift |
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| (no label) | 8-speed full power shift |
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Transmission| Transmission | Quad-Range |
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| Type | partial power shift |
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| Gears | 16 forward and 6 reverse |
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| Clutch | hydraulic wet disc |
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| Oil capacity | 100 qts | 94.6 L |
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| Transmission | Power Shift |
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| Type | full power shift |
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| Gears | 8 forward and 4 reverse |
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| Clutch | hydraulic wet discs |
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| Oil capacity | 80 qts | 75.7 L |
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Dimensions
Tires| Optional tires (ag) | Front: 18.4-38. Rear: |
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| Ag front | 11.00-16 |
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| Ag rear | 20.8-38 |
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Dimensions| Wheelbase | 118.5 inches | 300 cm |
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| Length | 171.1 inches | 434 cm |
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| Height (cab) | 118.1 inches | 299 cm |
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| Shipping weight | 14350 lbs | 6509 kg |
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| Clearance (front axle) | 26 inches | 66 cm |
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| Clearance (rear axle) | 28 inches | 71 cm |
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| Clearance (drawbar) | 14.8 inches | 37 cm |
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| Rack-and-pinion rear axle (Rack-and-pinion) | 3.937 by 96 inches | 99 by 2438 mm |
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| Rack-and-pinion rear axle (Rack-and-pinion) | 3.937 by 108 inches | 99 by 2743 mm |
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| Rack-and-pinion rear axle (Rack-and-pinion) | 3.937 by 118 inches | 99 by 2997 mm |
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