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).

R34397 - Coupler Cartridge
SKU: R34397
149 in stock

R34362 - Coupler Half for Hyd Pump Drive
SKU: R34362
1020 in stock

R34360 - (1) Drive Pin for Coupler Drive
SKU: R34360
2238 in stock

R34348 - Pump Shaft
SKU: R34348
212 in stock

R27796 - Durometer 70 O-ring; 6.234" ID X .139" Thick
SKU: R27796
8 in stock

R27173 - Stroke Control Valve Filter Element
SKU: R27173
110 in stock

R27150 - Hydraulic Pump Piston
SKU: R27150
Out of stock

R26484 - SCV Poppet Valve Back-Up Ring
SKU: R26484
170 in stock

HPK4050 - Hydraulic Piston Kit
SKU: HPK4050
14 in stock

F3171R - (10/Pack) O-Ring
SKU: F3171R
570 in stock

BR1683 - Hydraulic Pump Shaft Bearing & Race
SKU: BR1683
161 in stock

AR97872 - Hydraulic Pump
SKU: AR97872
232 in stock

AR94660 - Hydraulic Pump
SKU: AR94660
112 in stock

AR86535 - Selective Control Valve
SKU: AR86535
3228 in stock

AR82570 - Breakaway Coupler Ovrhl. Kit
SKU: AR82570
518 in stock

AR53301 - HYD. PUMP INLET VALVE
SKU: AR53301
308 in stock

AR101807 - Hydraulic Pump
SKU: AR101807
21 in stock

AL172937 - Push/Pull; Selective Control Valve Cable
SKU: AL172937
Out of stock

AL171118 - 200 Series Valve; Selective Control
SKU: AL171118
39 in stock

A3606R - O'Ring
SKU: A3606R
220 in stock

51M7041 - O-ring
SKU: 51M7041
455 in stock

38H5018 - ORFS 90 Deg Adj Stud Elbow Elbow Fitting
SKU: 38H5018
38 in stock

R35769 - Side Screen Spring
SKU: R35769
716 in stock

R26992 - U-bolt
SKU: R26992
193 in stock
