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| info | |
| Series: | → 1840 |
| Production | |
| Manufacturer: | John Deere |
| Type: | Utility tractor |
| Factory: | Mannheim, Baden-WГјrttemberg, Germany |
| John Deere 1640 Power | |
| Engine: | 62 hp 46.2 kW |
| PTO (claimed): | 54 hp 40.3 kW |
| Mechanical | |
| Chassis: | 4x2 2WD, 4x4 MFWD 4WD |
| Final drives: | planetary |
| Steering: | power |
| Brakes: | hydraulic disc |
| Cab: | Four-post ROPS. Cab available with heater. SoundGard (SG2) cab available after 1981. |
| Transmissions: | 8-speed, 16-speed |
| Capacity | |
| Fuel: | 25.1 gal 95.0 L |
| Hydraulic system: | 14.5 gal 54.9 L |
| Hydraulics | |
| Type: | closed center constant pressure |
| Capacity: | 14.5 gal 54.9 L |
| Pressure: | 2466 psi 170.0 bar |
| Pump flow: | 12.4 gpm 46.9 lpm |
| Tractor hitch | |
| Rear Type: | II |
| Rear lift: | 6768 lbs 3069 kg |
| Power Take-off (PTO) | |
| Rear RPM: | 540 |
| Engine RPM: | 540@2400 |
| Dimensions & Tires | |
| 2WD Wheelbase: | 89.7 inches 227 cm |
| 4WD Wheelbase: | 80 inches 203 cm |
| Weight: | 7409 to 8004 pounds |
| Front tire: | 7.50-18 |
| 2WD Rear tire: | 13.6/12-38 |
| Electrical | |
| Ground: | negative |
| Charging system: | alternator |
| Charging amps: | 55 |
| Battery | |
| Number: | 2 |
| Volts: | 12 |
| info | |
| Series: | → 1840 |
| Engine Detail | |
| John Deere, diesel, 4-cylinder, liquid-cooled | |
| Displacement: | 239.2 ci 3.9 L |
| Bore/Stroke: | 4.19x4.33 inches 106 x 110 mm |
| Power: | 62 hp 46.2 kW |
| Compression: | 16.8:1 |
| Rated RPM: | 2500 |
| Operating RPM: | 1200-2500 |
| Torque: | 151.2 lb-ft 205.0 Nm |
| Torque RPM: | 1200 |
| Starter volts: | 12 |
| Starter power: | 4 hp 3.0 kW |
| Oil capacity: | 9 qts 8.5 L |
| Coolant capacity: | 19 qts 18.0 L |
| info | |
| Series: | → 1840 |
| Transmissions overview | |
| 8-speed, 16-speed |
| Transmission | |
| Gears: | 16 forward and 8 reverse |
| Speeds | |
| With 13.6/12-38 rear tires., |
| info | |
| Series: | → 1840 |
| John Deere 1640 Tires | |
| 2WD Standard tires (ag): | Front: 7.50-18. Rear: 13.6/12-38 |
| 4WD Standard tires (ag): | Front: 11.2-28. Rear: 13.6/12-38 |
| Dimensions | |
| 2WD Wheelbase: | 89.7 inches 227 cm |
| 4WD Wheelbase: | 80 inches 203 cm |
| 2WD Length: | 147 inches 373 cm |
| 4WD Length: | 154.5 inches 392 cm |
| Width: | 81.5 inches 207 cm *Minimum |
| Height (cab): | 104.7 inches 265 cm |
| Height (exhaust): | 115.2 inches 292 cm |
| 2WD Weight: | 7409 lbs 3360 kg |
| 4WD Weight: | 8004 lbs 3630 kg |
| 4WD Clearance (front axle): | 16.9 inches 42 cm |
| 2WD Clearance (front axle): | 25 inches 63 cm |
| 2WD 135 to 200 cm 2WD} 59.1 to 79.1 inches {4WD} 150 to 200 cm {4WD} Front tread: | 53.5 to 79.1 inches |
| Rear tread: | 59.1 to 78.7 inches 150 to 199 cm |