The John Deere 4040 is a 2WD or 4WD row-crop tractor manufactured by John Deere in Mannheim, Baden-Württemberg, Germany from 1977 to 1984. The John Deere 4040 is equipped with a 5.9 L (359.0 cu·in) six-cylinder diesel engine and one of two transmissions: a partial power shift transmission with hydraulic wet disc clutch and 16 forward and 6 reverse gears or a partially synchronized transmission with 12 forward and 4 reverse gears.
The JD 4040 row-crop tractor used the John Deere engine. It is a 5.9 L, 5,883 cm2, (359.0 cu·in) six-cylinder turbocharged diesel engine with 106.0 mm (4.17 in) of the cylinder bore and 110.0 mm (4.33 in) of the piston stroke. This engine produced 111.5 PS (82.0 kW; 110.0 HP) of output power.
The John Deere 4040 is equipped with power steering, wet disc brakes, Sound-Gard Cab, and 140.0 liters (37 US gal.; 30.8 Imp. gal) fuel tank.
John Deere 4040 Specifications
| General Specifications | |
| Model | John Deere 4040 |
| Length | – |
| Width | – |
| Height | – |
| Wheel base | – |
| Weight | – |
| Fuel tank capacity | 140.0 liters (37 US gal.; 30.8 Imp. gal) |
| Battery | 12V |
| Cabin type | Sound-Gard Cab |
| 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) |
| Horsepower | 111.5 PS (82.0 kW; 110.0 HP) |
| Starter | Electric |
| Transmission and chassis | |
| Chassis | 4×2 2WD or 4×4 MFWD 4WD |
| Steering type | Power |
| Brakes | Wet disc |
| Transmission model | Quad-Range |
| Transmission type | Partial power shift with hydraulic wet disc clutch |
| Gears | 16 forward and 6 reverse |
| Transmission model | Synchro-Range |
| Transmission type | Partially synchronized |
| Gears | 12 forward and 4 reverse |
| Tires | |
| Front tires | Ag: – |
| Rear tires | Ag: – |
| Three-Point Hitch | |
| Caterogy | II/I |
| Control type | – |
| Lift capacity (at ends) | 4800 kg (10584 lbs) |
| PTO (Power take-off shaft) | |
| Rear PTO type | Independent with hydraulic disc clutch |
| Rear PTO speed | 540/1,000 rpm |
| Hydraulic system | |
| Hydraulic type | Closed center |
| Pressure | 2250 psi (155.1 bar) |
| Pump flow | 25.4 gpm (96.1 lpm) |