The John Deere 4050 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 4050 is equipped with one of two engines: a 7.6 L (466.0 cu·in) six-cylinder diesel engine or a 5.9 L (359.0 cu·in) six-cylinder diesel engine and one of two transmissions: a partial power shift transmission with 16 forward and 6 reverse gears and with Perma-Clutch wet disc clutch or a full powershift transmission with 15 forward and 4 reverse gears and with Perma-Clutch wet disc clutch.
The tractor could be equipped with the following engines:
- John Deere. It is a 7.6 L, 7,637 cm2, (466.0 cu·in) six-cylinder natural aspirated 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 17.0:1. This engine produced 131.8 PS (96.9 kW; 130.0 HP) at 2,200 rpm of output power.
- John Deere. It is a 5.9 L, 5,883 cm2, (359.0 cu·in) six-cylinder turbocharged diesel engine. The cylinder bore is 106.0 mm (4.17 in) and the piston stroke is 110.0 mm (4.33 in). The compression ratio rating is 17.8:1.
The John Deere 4050 is equipped with power steering, hydrostatic wet disc brakes, Sound-Gard cab with air-conditioning or four-post Roll-Gard ROPS (optional), and 174.1 liters (46 US gal.; 38.3 Imp. gal) fuel tank.
Following attachments are available for the JD 4050 row-crop tractor:
- John Deere 148 loader (for 2WD version)
- John Deere 158 loader (for 2WD version)
- John Deere 260 loader (for 2WD version)
- John Deere 280 loader (for 4WD version)
John Deere 4050 Specifications
| General Specifications | |
| Model | John Deere 4050 |
| Length | 2WD: 3,910 mm (153.9 in) 4WD: 4,160 mm (163.8 in) |
| Width | 2,430 mm (95.7 in) Long axle: 2,870 mm (113 in) |
| Height | 2,900 mm (114.2 in) |
| Wheel base | 2WD: 2,710 mm (106.7 in) 4WD: 2,670 mm (105.1 in) |
| Ground clearance | 400 mm (15.7 in) |
| Weight (shipping) | 5,035 kg (11,100 lbs) |
| Fuel tank capacity | 174.1 liters (46 US gal.; 38.3 Imp. gal) |
| Battery | Two 6V or one 12V |
| Cabin type | Sound-Gard cab with air-conditioning 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 | 17.0:1 |
| Horsepower | 131.8 PS (96.9 kW; 130.0 HP) at 2,200 rpm |
| Starter | Electric |
| Oil capacity: | 17.0 L (18 US. qt, 15 Imp. qt.) |
| Coolant capacity: | 19.9 L (21 US. qt, 17.5 Imp. qt.) |
| Engine | |
| Engine model | John Deere |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 6 |
| Fuel type | Diesel |
| Displacement | 5.9 L, 5,883 cm2, (359.0 cu·in) |
| Bore and stroke | 106.0 mm X 110.0 mm (4.17 in X 4.33 in) |
| Compression ratio | 17.8:1 |
| Horsepower | – |
| Starter | Electric |
| Transmission and chassis | |
| Chassis | 4×2 2WD or 4×4 MFWD 4WD |
| Steering type | Power |
| Brakes | Hydrostatic 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: 29.4 kmh (18.3 mph) Reverse: 18.6 (11.6 mph) |
| Transmission oil capacity | 60.6 L (16 US. gal, 13.3 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: 29.3 kmh (18.2 mph) Reverse: 8.8 (5.5 mph) |
| Transmission oil capacity | 2WD: 39.7 L (10.5 US. gal, 8.7 Imp. gal.) 4WD: 51.1 L (13.5 US. gal, 11.2 Imp. gal.) |
| Tires | |
| Front tires | Ag: 10.00-16 |
| Rear tires | Ag: 18.4-38 |
| Three-Point Hitch | |
| Category | II/I |
| Control type | Lower-link draft sensing |
| Lift capacity (at ends) | 2,855 kg (6,295 lbs) 3,365 kg (7,420 lbs) |
| PTO (Power take-off shaft) | |
| Rear PTO type | Independent with hydraulic wet disc clutch |
| Rear PTO speed | 540/1000 rpm |
| Hydraulic system | |
| Hydraulic type | Closed center |
| Pressure | 2277 psi (157 bar) |
| Valves | 2 to 3 |
| Pump flow | 26.5 gpm (100.3 lpm) |
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