The John Deere 4030 is a 2WD row-crop tractor from the Generation II series. This tractor was manufactured by John Deere in Waterloo, Iowa, USA from 1973 to 1977.
The John Deere 4030 is equipped with one of two engines: a 5.4 L (329.0 cu·in) six-cylinder diesel engine or a 5.0 L (303.0 cu·in) six-cylinder gasoline engine (this gasoline engine was available only during the 1973 model year) and one of two transmissions: a partially synchronized transmission with 8 forward and 2 reverse gears or a partial power shift transmission with 16 forward and 6 reverse gears.
The tractor could be equipped with the following engines:
- John Deere diesel engine. It is a 5.4 L, 5,390 cm2, (329.0 cu·in) six-cylinder natural aspirated diesel engine with 102.0 mm (4.02 in) of the cylinder bore and 110.0 mm (4.33 in) of the piston stroke. The compression ratio rating is 16.2:1.
- John Deere gasoline engine. It is a 5.0 L, 4,965 cm2, (303.0 cu·in) six-cylinder natural aspirated gasoline engine. The cylinder bore is 98.0 mm (3.86 in) and the piston stroke is 110.0 mm (4.33 in).
The JD 4030 is equipped with power steering; differential hydraulic wet disc brakes; open operator station, four-post Roll-Gard ROPS or Sound-Gard cab, and 132.5 liters (35 US gal.; 29.1 Imp. gal) fuel tank. The Deere 4030 could be equipped with the John Deere 148 loader.
John Deere 4030 Specifications
| General Specifications | |
| Model | John Deere 4030 |
| Length | – |
| Width | – |
| Height | – |
| Wheel base | 2,560 mm (100.8 in) |
| Weight | 4,165 kg (9,182 lbs) |
| Fuel tank capacity | 132.5 liters (35 US gal.; 29.1 Imp. gal) |
| Battery | Two 6V |
| Cabin type | Open operator station, four-post Roll-Gard ROPS or Sound-Gard cab |
| Engine | |
| Engine model | John Deere |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 6 |
| Fuel type | Diesel |
| Displacement | 5.4 L, 5,390 cm2, (329.0 cu·in) |
| Bore and stroke | 102.0 mm X 110.0 mm (4.02 in X 4.33 in) |
| Compression ratio | 16.2:1 |
| Horsepower | – |
| Starter | Electric |
| Coolant capacity: | 20.8 L (22 US. qt, 18.3 Imp. qt.) |
| Engine | |
| Engine model | John Deere |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 6 |
| Fuel type | Gasoline |
| Displacement | 5.0 L, 4,965 cm2, (303.0 cu·in) |
| Bore and stroke | 98.0 mm X 110.0 mm (3.86 in X 4.33 in) |
| Horsepower | – |
| Starter | Electric |
| Transmission and chassis | |
| Chassis | 4×2 2WD |
| Steering type | Power |
| Brakes | Differential hydraulic wet disc |
| Differential lock | Mechanical rear |
| Transmission model | John Deere Syncro-Range |
| Transmission type | Partially synchronized |
| Gears | 8 forward and 2 reverse |
| Transmission model | John Deere Quad-Range |
| Transmission type | Partial power shift |
| Gears | 16 forward and 6 reverse |
| Tires | |
| Front tires | Ag: 6.00-16 |
| Rear tires | Ag: 16.9-34 |
| Three-Point Hitch | |
| Caterogy | II |
| Control type | – |
| Lift capacity (at ends) | – |
| PTO (Power take-off shaft) | |
| Rear PTO type | Independent |
| Rear PTO speed | 540/1,000 rpm |
| Hydraulic system | |
| Hydraulic type | Closed center |
| Hydraulic capacity | 49.2 L (51.99 US. qt, 43.29 Imp. qt.) |
| Valves | 1 to 3 |
| Pump flow | 23.0 gpm (87.1 lpm) |
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