John Deere 7520 Tractor Parts
7520 parts and accessories
The John Deere 7520 tractor, manufactured from 2003 to 2006, offered farmers a powerful and versatile machine. Powered by a 145 engine HP John Deere PowerTech 6.8L diesel engine and boasting a PTO horsepower of around 125, the 7520 became a popular choice for a variety of field operations due to its reliability and performance. Its blend of power and operator comfort made it a standout in its class.
The John Deere 7520 was introduced in 2003 as part of the 7020 series, replacing the earlier 7010 models. Production continued until 2006. This tractor is equipped with a John Deere PowerTech 6.8L 6-cylinder diesel engine, delivering a rated engine power of 145 horsepower. The engine's displacement is 414 cubic inches. The 7520 featured a range of transmission options, including a standard PowerQuad transmission with 16 forward and 16 reverse gears, and optional AutoQuad and Infinitely Variable Transmission (IVT) for enhanced operational efficiency. The PTO horsepower is approximately 125, with options for both 540 and 1000 RPM PTO speeds. The hydraulic system delivers a flow rate of around 29 GPM, with multiple remote options available. The 3-point hitch is a Category II/III, offering a lift capacity of approximately 9,800 lbs. Common farming applications included row crop work, hay baling, livestock operations, and medium-duty tillage. What distinguished the 7520 from other models was its optimal balance of power, advanced transmission options, and comfortable cab, making it a versatile choice for diverse farming needs.
Specifications
| Engine | John Deere PowerTech 6.8L 145 HP Diesel |
|---|---|
| PTO HP | 125 HP @ 540/1000 RPM |
| Transmission | PowerQuad/AutoQuad/IVT (Infinitely Variable Transmission) |
| Hydraulics | 29 GPM, Up to 4 remotes |
| 3-Point Hitch | Category II/III, 9800 lbs lift capacity |
| Fuel Capacity | 68 gallons |
| Weight | 14,650 lbs |
| Years Produced | 2003-2006 |
Maintenance Tips
- Engine Oil & Filter: Change the engine oil and filter every 250-300 hours using the recommended John Deere oil and filter. Regularly check oil levels to prevent engine damage.
- Hydraulic System: Inspect hydraulic oil levels and filters every 500 hours. Use the correct hydraulic fluid type and replace filters to maintain optimal hydraulic performance.
- Fuel System: Drain water from the fuel tank regularly (weekly) to prevent fuel contamination. Replace fuel filters annually or every 500 hours to ensure clean fuel delivery.
- Seasonal Storage: Before long periods of inactivity, add fuel stabilizer to the fuel tank, disconnect the battery, and store the tractor in a dry location to prevent corrosion and battery drain.
History & Background
The John Deere 7520 was launched in 2003 as a part of the upgraded 7020 series tractors. Representing a significant step forward in tractor technology for John Deere, this model incorporated improved engine performance, transmission options, and operator comfort features. Its success demonstrated the demand for versatile and powerful tractors in modern agricultural practices.
Frequently Asked Questions
What engine is in the John Deere 7520?
The John Deere 7520 is equipped with a John Deere PowerTech 6.8L 6-cylinder diesel engine producing 145 horsepower.
What is the PTO horsepower on a 7520?
The PTO horsepower on the John Deere 7520 is approximately 125 HP, with options for both 540 and 1000 RPM PTO speeds.
What oil filter fits the 7520?
The recommended oil filter for the John Deere 7520 is typically a John Deere filter part number RE504836. Common cross-references include Wix 57202 or Baldwin BD7317.
What are common parts needed for the 7520?
Common wear parts for the John Deere 7520 include engine oil filters, fuel filters, hydraulic filters, belts (fan and AC), hydraulic cylinder seals, steering components (tie rod ends), and clutch components (depending on the transmission type).

R92352 - Injector Seal
SKU: R92352
2451 in stock
R91889 - Valve (12 halves) Lock
SKU: R91889
7368 in stock

R90692 - Exhaust (Std) Valve
SKU: R90692
64 in stock

R90601 - Exhaust (Std) Valve
SKU: R90601
12 in stock

R85687 - Exhaust Valve (Std) Insert
SKU: R85687
76 in stock

R85363 - Head Bolt
SKU: R85363
10683 in stock

R81989 - Front Crankshaft Sleeve
SKU: R81989
323 in stock

R81275 - Air Inlet Gasket
SKU: R81275
40 in stock

R80500 - Cylinder Liner
SKU: R80500
8 in stock

R80136 - Oil Filler Cap
SKU: R80136
152 in stock

R79606 - Tee Fitting
SKU: R79606
259 in stock

R79605 - Grommet
SKU: R79605
5681 in stock

R79604 - Injector NUT
SKU: R79604
200 in stock

R78513 - Head Gasket
SKU: R78513
Out of stock

R76783 - Connecting Rod Bushing
SKU: R76783
11 in stock

R71963 - Fuel Injector Tee Fitting
SKU: R71963
1950 in stock

R71919 - Pan Gasket
SKU: R71919
11 in stock

R70475 - 6.531T GASKET
SKU: R70475
Out of stock

R69418 - 6.531T GASKET
SKU: R69418
Out of stock

R66453 - Connecting Rod Bolt
SKU: R66453
37 in stock

R64840 - Injector Washer
SKU: R64840
Out of stock

R55078 - 3/8" X 1-1/2" Stud
SKU: R55078
91 in stock

R54114 - Piston Pin Retainer
SKU: R54114
113 in stock

R53192 - Intake & Exhaust Valve Guide
SKU: R53192
9 in stock
