The John Deere 7400 is a 2WD or 4WD row-crop tractor from the 7000 series. This tractor was manufactured by John Deere in Waterloo, Iowa, USA from 1993 to 1996. The John Deere 7400 is equipped with a 6.8 L (414.0 cu·in) six-cylinder diesel engine and one of two transmissions: a fully synchronized transmission with 12 forward and 4 reverse gears or a four-speed power shift transmission with 16 forward and 12 reverse gears.
The JD 7400 row-crop tractor used the John Deere 6068 engine. It is a 6.8 L, 6,784 cm2, (414.0 cu·in) six-cylinder turbocharged diesel engine with 106.0 mm (4.17 in) of the cylinder bore and 127.0 mm (5 in) of the piston stroke. The compression ratio rating is 17.8:1. This engine produced 101.5 PS (74.6 kW; 100.0 HP) at 2,100 rpm of output power.
The John Deere 7400 is equipped with power steering, independent hydraulic wet disc brakes, the cab (standard) with air-conditioning, and 204.4 liters (54 US gal.; 45 Imp. gal) fuel tank.
John Deere 7400 Specifications
| General Specifications | |
| Model | John Deere 7400 |
| Length | – |
| Width | – |
| Height | – |
| Wheel base | 2,840 mm (111.8 in) |
| Weight (operating) | SyncroPlus: 5,745 kg (12,666 lbs) PowrQuad: 5,775 kg (12,732 lbs) |
| Fuel tank capacity | 204.4 liters (54 US gal.; 45 Imp. gal) |
| Battery | 12V |
| Cabin type | Cab (standard) with air-conditioning |
| Engine | |
| Engine model | John Deere 6068 |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 6 |
| Fuel type | Diesel |
| Displacement | 6.8 L, 6,784 cm2, (414.0 cu·in) |
| Bore and stroke | 106.0 mm X 127.0 mm (4.17 in X 5 in) |
| Compression ratio | 17.8:1 |
| Horsepower | 101.5 PS (74.6 kW; 100.0 HP) at 2,100 rpm |
| Starter | Electric |
| Transmission and chassis | |
| Chassis | 4×2 2WD or 4×4 MFWD 4WD |
| Steering type | Power |
| Brakes | Independent hydraulic wet disc |
| Transmission model | SyncroPlus |
| Transmission type | Fully synchronized with hydraulic wet disc clutch |
| Gears | 12 forward and 4 reverse |
| Speed | Forward: 29.7 kmh (18.5 mph) Reverse: 19.6 kmh (12.2 mph) |
| Transmission model | PowrQuad |
| Transmission type | Four-speed power shift with hydraulic wet disc clutch |
| Gears | 16 forward and 12 reverse |
| Speed | Forward: 29.7 kmh (18.5 mph) Reverse: 16.9 kmh (10.5 mph) |
| Tires | |
| Front tires | Ag: 10.00-16 |
| Rear tires | Ag: 18.4-38 |
| Three-Point Hitch | |
| Category | II/IIIN |
| Control type | – |
| Lift capacity (at 610 mm/ 24 in) | 3,110 kg (6,858 lbs) |
| PTO (Power take-off shaft) | |
| Rear PTO type | Independent |
| Rear PTO speed | 540/1000 rpm |
| Hydraulic system | |
| Hydraulic type | Closed center |
| Hydraulic capacity | 2 or 3 L (0.5 US. gal, 0.4 Imp. gal.) |
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