The John Deere 4320 is a 2WD or 4WD row-crop tractor manufactured by the John Deere in Waterloo, Iowa, USA from 1971 to 1972. The John Deere 4320 is equipped with a 6.6 L six-cylinder diesel engine and partially synchronized transmission with dry disc clutch and 8 forward and 2 reverse gears.
The JD 4320 row-crop tractor used the John Deere engine. It is a 6.6 L, 6,620 cm2, (404.0 cu·in) six-cylinder turbocharged diesel engine with 108.0 mm (4.25 in) of the cylinder bore and 121.0 mm (4.76 in) of the piston stroke. The compression ratio rating is 15.7:1. This engine produced 116.7 PS (85.8 kW; 115.0 HP) of PTO output power.
The John Deere 4320 is equipped with power steering, differential hydraulic wet disc brakes, open operator station (two-post ROPS, canopy or Cab was available as an option) and 166.5 liters (44 US gal.; 36.6 Imp. gal) fuel tank.
Following attachments are available for the JD 4320 row-crop tractor:
- John Deere 148 loader
- John Deere 158 loader
John Deere 4320 Specifications
| General Specifications | |
| Model | John Deere 4320 |
| Length | 4,040 mm (159.1 in) |
| Width |
2,270 mm (89.4 in) Long axle: 2,430 mm (95.9 in) Extra long axle: 2,630 mm (103.9 in) Dual axle: 2,870 mm (113.0 in) |
| Height | 2,710 mm (106.7 in) |
| Wheel base | 2,700 mm (106.3 in) |
| Weight | 4,842 kg (10,675 lbs) |
| Fuel tank capacity | 166.5 liters (44 US gal.; 36.6 Imp. gal) |
| Battery | – |
| Cabin type | Open operator station. Two-post ROPS and canopy (option). Cab (option) |
| Engine | |
| Engine model | John Deere |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 6 |
| Fuel type | Diesel |
| Displacement | 6.6 L, 6,620 cm2, (404.0 cu·in) |
| Bore and stroke | 108.0 mm X 121.0 mm (4.25 in X 4.76 in) |
| Compression ratio | 15.7:1 |
| Horsepower | 116.7 PS (85.8 kW; 115.0 HP) |
| Starter | Electric |
| Oil capacity: | 15.0 L (15.9 US. qt, 13.2 Imp. qt.) |
| Coolant capacity: | 16.5 L (17.4 US. qt, 14.5 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×2 2WD or 4×4 MFWD 4WD |
| Steering type | Power |
| Brakes | Differential hydraulic wet disc |
| Transmission model | John Deere Syncro-Range |
| Transmission type | Partially synchronized with dry disc clutch |
| Gears | 8 forward and 2 reverse |
| Speed | Forward: 30.4 kmh (18.9 mph) Reverse: 10.6 (6.6 mph) |
| Transmission oil capacity | 53.0 L (14 US. gal, 11.7 Imp. gal.) |
| Tires | |
| Front tires | Ag: 10.00-16 |
| Rear tires | Ag: 18.4-34 |
| Three-Point Hitch | |
| Caterogy | II |
| Control type | – |
| Lift capacity (at ends) | 1,700 kg (3,749 lbs) |
| PTO (Power take-off shaft) | |
| Rear PTO type | Independent |
| Rear PTO spped | 540/1000, 1000 rpm |
| Hydraulic system | |
| Hydraulic type | Closed center |
| Hydraulic capacity | 53.0 L (56 US. qt, 46.63 Imp. qt.) |
| Valves | 1 to 3 |
| Pump flow | 22.0 gpm (83.3 lpm) |
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