The John Deere 7520 is a 4WD row-crop tractor from the 7020 series. This tractor was manufactured by John Deere in Waterloo, Iowa, USA from 2003 to 2007. The JD 7520 is equipped with a 6.8 L (414.0 cu·in) six-cylinder diesel engine and one of three transmissions: a partial power shift transmission with 16 forward and 16 reverse gears, a partial power shift transmission with 24 forward and 24 reverse gears or a infinitely variable transmission with infinite forward and reverse gears.
The JD 7520 row-crop tractor used the John Deere PowerTech 6068HF475 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. This engine produced 152.2 PS (111.9 kW; 150.0 HP) at 2,100 rpm of output power.
The John Deere 7520 is equipped with power steering, hydraulic wet disc brakes, ComfortGard Cab (standard), or open station with two-post ROPS and 249.8 liters (66 US gal.; 54.9 Imp. gal) fuel tank.
John Deere 7520 Specifications
| General Specifications | |
| Model | John Deere 7520 |
| Length | 5,160 mm (203.1 in) |
| Width | 2,430 mm (95.7 in) |
| Height | 2,890 mm (113.8 in) |
| Wheel base | 2,640 mm (103.9 in) |
| Ground clearance | 520 mm (20.5 in) |
| Weight (operating) | 6,025 kg (13,283 lbs) |
| Fuel tank capacity | 249.8 liters (66 US gal.; 54.9 Imp. gal) |
| Battery | 12V, CCA 850A |
| Cabin type | ComfortGard Cab (standard) or Open station with two-post ROPS |
| Engine | |
| Engine model | John Deere PowerTech 6068HF475 |
| 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) |
| Horsepower | 152.2 PS (111.9 kW; 150.1 HP) at 2,100 rpm |
| Torque | 615.6 N·m (62.8 kg·m, 453.7 ft·lb) at 1,500 rpm |
| Starter | Electric |
| Oil capacity: | 21.0 L (22.2 US. qt, 18.5 Imp. qt.) |
| Coolant capacity: | 28.0 L (29.6 US. qt, 24.6 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×4 MFWD 4WD |
| Steering type | Power |
| Brakes | Hydraulic wet disc |
| Transmission model | John Deere PowrQuad |
| Transmission type | Partial power shift |
| Gears | 16 forward and 16 reverse |
| Speed | Forward: 30.6 kmh (19 mph) Reverse: kmh (0 mph) |
| Transmission oil capacity | 56.0 L (14.8 US. gal, 12.3 Imp. gal.) |
| Transmission model | John Deere AutoQuad |
| Transmission type | Partial power shift |
| Gears | 24 forward and 24 reverse |
| Speed | Forward: 39.9 kmh (24.8 mph) |
| Transmission oil capacity | 56.0 L (14.8 US. gal, 12.3 Imp. gal.) |
| Transmission model | John Deere Infinitely Variable Transmission (IVT) |
| Transmission type | Infinitely variable transmission |
| Gears | Infinite forward and reverse |
| Speed | Forward: 40.2 kmh (25.0 mph) Reverse: 40.2 kmh (25.0 mph) |
| Transmission oil capacity | 65.9 L (17.4 US. gal, 14.5 Imp. gal.) |
| Tires | |
| Front tires | Ag: 14.9R28 |
| Rear tires | Ag: 18.4R38 |
| Three-Point Hitch | |
| Category | II/IIIN |
| Control type | – |
| Lift capacity (at ends) |
3,380 kg (7,455 lbs) 3,950 kg (8,700 lbs) |
| PTO (Power take-off shaft) | |
| Front PTO type | Independent |
| Front PTO speed | 1,000 rpm |
| Rear PTO type | Independent with electro-hydraulic clutch |
| Rear PTO speed | 540/1,000 rpm |
| Hydraulic system | |
| Hydraulic type | Closed-center PFC |
| Valves | 4 |
| Pump flow | 26.7 gpm (101.1 lpm) |
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