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).

R70027 - PTO Clutch Pack C3 C2 Return C1 Spring
SKU: R70027
183 in stock

R61711 - 14 Teeth Pinion Shaft
SKU: R61711
4 in stock
R57617 - Brake center plate
SKU: R57617
Out of stock

R57615 - Used w/ A-R61711 Shaft Pinion Gear
SKU: R57615
22 in stock

R57269 - Oil Cup Retainer
SKU: R57269
47 in stock

R53169 - Transmission / Hydraulic Oil Pump; Nylon Screen
SKU: R53169
158 in stock

R52169 - Brake Operating Rod Guide
SKU: R52169
143 in stock

R48864 - Brake Center Plate
SKU: R48864
8 in stock

R47109 - SPRING FOR 4620
SKU: R47109
83 in stock

R45779 - Pinion Shaft
SKU: R45779
30 in stock

R43016 - 13 Teeth Pinion Shaft
SKU: R43016
19 in stock

R43014 - Used w/ A-R43016 Shaft Pinion Gear
SKU: R43014
9 in stock

R39322 - Clutch / Brake Sealing Ring
SKU: R39322
130 in stock

R337522 - Clutch; Planetary Brake Plate
SKU: R337522
9 in stock

R333928 - Brake Piston
SKU: R333928
22 in stock

R33027 - Rear Axle Shaft Seal
SKU: R33027
54 in stock

R33026 - Rear Axle Shaft Seal
SKU: R33026
554 in stock

R33004 - Used w/ A-R45779 Shaft Pinion Gear
SKU: R33004
13 in stock

R319336 - Front Valve Housing Gasket
SKU: R319336
183 in stock

R216293 - Clutch; Planetary Brake Plate
SKU: R216293
29 in stock

R216291 - Clutch; Planetary Brake Plate
SKU: R216291
7 in stock

R209938 - Planetary Brake; B1 & B2 (PowrQuad Transmission) Plate
SKU: R209938
101 in stock

R161382 - Shift Lever Knob
SKU: R161382
2092 in stock

R158521 - Planetary Brake Housing (6/Pack) O-Ring
SKU: R158521
138 in stock
