John Deere 7520 Specs ( 1972-1975 )
Production
| Description | Row-Crop tractor / Built in Waterloo, Iowa, USA |
|---|---|
| Drive type | Four-wheel Drive (4WD) tractor |
| Manufacturer | John Deere |
| Total built | 4,661 |
Engine
| Engine type | John Deere 6.8L 6-cyl diesel |
|---|---|
| Fuel tank | 66 gal (249.8 L) |
| Air cleaner | aspirator and dual paper elements |
| Bore/Stroke | 4.19x5.00 inches (106 x 127 mm) |
| Compression | 15.4:1 |
| Coolant capacity | 29.6 qts (28.0 L) |
| Description | John Deere PowerTech 6068HF475 / turbocharged diesel / 6-cylinder / liquid-cooled |
| Displacement | 414 ci (6.8 L) |
| Exhaust valve clearance | 0.028 inches (0.711 mm) |
| Firing order | 1-5-3-6-2-4 |
| Fuel system | direct injection |
| Idle RPM | 850-2250 |
| Intake valve clearance | 0.018 inches (0.457 mm) |
| Oil capacity | 22.2 qts (21.0 L) |
| Operating RPM | 1300-2100 |
| Power | 150 hp (111.9 kW) |
| Rated RPM | 2100 |
| Starter power | 4.1 hp (3.1 kW) |
| Starter volts | 12 |
| Torque | 454 lb-ft (615.6 Nm) |
| Torque RPM | 1503 |
| Drawbar (claimed) | 160 hp (119.3 kW) |
| Drawbar (tested) | 110.88 hp (82.7 kW) |
| PTO (claimed) | 125 hp (93.2 kW) |
| PTO (tested) | 143.97 hp (107.4 kW) |
Transmission
| Description | Four power shift speeds (1-4) in four ranges (A-D) with left-hand reverser. / available with MFWD only |
|---|---|
| Gears | 16 forward and reverse / 24 forward and reverse / infinite forward and reverse |
| Oil capacity | 59.2 qts (56.0 L) / 59.2 qts (56.0 L) / 69.6 qts (65.9 L) |
| Transmission | John Deere PowrQuad / John Deere AutoQuad / John Deere Infinitely Variable Transmission (IVT) |
| Type | partial power shift |
| Transmission type | 16-speed partial power shift / 24-speed |
| Transmission type | 16-speed partial power shift / 24-speed |
Mechanical
| Cab | ComfortGard Cab standard with air-conditioning. Open station with two-post ROPS available. |
|---|---|
| Description | Power steering / Hydraulic wet disc brakes |
| Drive type | Four-wheel drive |
| Steering | hydrostatic power |
Capacity
| Fuel | 156 gal*Total capacity of wo 78-gallon fuel tanks. (590.5 L) |
|---|---|
| Hydraulic system | 19 gal (71.9 L) |
Hydraulics
| Capacity | 19 gal (71.9 L) |
|---|---|
| Pressure | 2250 psi (155.1 bar) |
| Pump flow | 26.7 gpm (101.1 lpm) |
| Type | closed-center PFC |
| Valves | 4 |
Hitch
| Rear lift | 7450 lbs (3379 kg) |
|---|---|
| Rear Type | II/IIIN |
PTO
| Clutch | electro-hydraulic |
|---|---|
| Front PTO | independent *Optional. Field conversion kit. |
| Front PTO Type | 1000 |
| Rear PTO | independent |
| Rear PTO Type | 540/1000 (1.375) |
Electrical
| Batteries | 2 |
|---|---|
| Battery AH | 204 |
| Battery CCA | 850 |
| Battery volts | 12 |
| Charging amps | 115 |
| Charging system | alternator |
| Charging volts | 12 |
| Ground | negative |
Dimensions & Tires
| 4WD Clearance (front axle) | 20.5 inches (52 cm) |
|---|---|
| Flanged rear axle | 65.5 inch length (1663 mm) |
| Front tread | 59.5 to 87.5 inches (2WD) (151 to 222 cm) / 59.4 to 83.4 inches (4WD) (150 to 211 cm) |
| Height | 114.1 inches (289 cm) |
| Height (cab) | 123 inches (312 cm) |
| Length | 203.3 inches (516 cm) |
| Operating weight | 22320 lbs (10124 kg) |
| Rack-and-pinion rear axle | 3.4 by 96 inches (86 by 2438 mm) / 3.4 by 110.5 inches (86 by 2806 mm) |
| Rear tread | 60 to 88 inches (flange axle) (152 to 223 cm) / 76 to 96 inches (long flange) (193 to 243 cm) / 60 to 104.6 inches (96-inch axle) (152 to 265 cm) / 60 to 119.2 inches (110.5-inch axle) (152 to 302 cm) |
| Shipping weight | 16790 lbs (7615 kg) |
| Wheelbase | 104.3 inches (264 cm) |
| Width | 96 inches*Minimum width with standard axle. (243 cm) |
| Front tire | 14.9R28 |
| Rear tire | 18.4R38 |
| Weight | 13280 lbs (6023 kg) |
| Wheelbase | 104.3 inches (264 cm) |
| Ag front | 14.9R28 |
| Ag rear | 18.4R38 |
7520 Serial Number Location
| Description | Serial number plate on the rear of the tractor, above the PTO. |
|---|
7520 Serial Numbers
| 1972 | 1000 |
|---|---|
| 1973 | 1615 |
| 1974 | 3054 |
| 1975 | 4999 |
| 2003 | 1001 |
| 2004 | 10001 |
| 2005 | 30001 |
| 2006 | 45001 |
| 2007 | 60001 |
| Description | FAQ: How to read a serial number table. |
| Final | 5705 |
| Location: | On the main tractor frame, right side, above the front axle. |
John Deere 7520 Weight
| Max capacity | 22035 lbs (9995 kg) |
|---|---|
| Max Drawbar | 4955 lbs (2247 kg) |
| Max front axle | 9695 lbs (4397 kg) |
| Max rear axle | 17185 lbs (7795 kg) |
| Operating | 13280 lbs (6023 kg) |
John Deere 7520 attachments
| Description | front-end loader |
|---|
Nebraska Tractor Test 1101
| Description | Diesel 16-speed 4WDMay 25 - June 6, 1972Link: Nebraska Tractor Test 1101 file / PTO performance / Drawbar performance / Gear 4-Lo used for power test. / Gear 1-Hi used for pull test. |
|---|---|
| Fuel use | 11.6 gal/hour (43.9 l/hour) / 11.7 gal/hour (44.3 l/hour) |
| Max power | 160.46 hp (119.7 kW) |
| Max pull | 22,517 lbs (10213 kg) |
| Power at rated engine speed | 175.82 hp (131.1 kW) |
OCED Tractor Test 1818
| Description | Diesel IVT 4WDMarch 25 - April 17, 2003Link: OCED Tractor Test 1818 file / PTO performance / Drawbar performance / Pull at 4-kph |
|---|---|
| Fuel use | 7.6 gal/hour (28.8 l/hour) / 6.7 gal/hour (25.4 l/hour) / 7.4 gal/hour (28.0 l/hour) |
| Max power | 143.97 hp (107.4 kW) / 110.88 hp (82.7 kW) |
| Max pull | 13,634 lbs (6184 kg) |
| Power at rated engine speed | 125.75 hp (93.8 kW) |
References
| Description | Get around-the-clock performance with the new 7020 Series Tractors published in 2003, by John Deere / High-Crop and High-Clearance Tractors published in 2004, by John Deere |
|---|
Speeds
| Description | With 20.8-38 rear tires. / With 18.4-38 rear tires. |
|---|