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).

AL110918 - Tie Rod
SKU: AL110918
182 in stock

U41966 - Durometer 75 (4/Pack) .103" Thick O-Ring; 1.424" ID X 1.630" OD
SKU: U41966
269 in stock

U12331 - Durometer 75 (4/Pack) .139" Thickness O-Ring; 2.734" ID X 3.012" OD
SKU: U12331
376 in stock

U12037 - Durometer 75 (5/Pack) .139" Thickness O-Ring; 1.296" ID X 1.574" OD
SKU: U12037
615 in stock

U11326 - 5/pack Durometer 75 O-Ring; 1.114" ID X 1.254" OD X .070" Thick
SKU: U11326
570 in stock

U10289 - Durometer 75 (10/Pack) .139" Thick O-Ring; 1.484" ID X 1.762" OD
SKU: U10289
1270 in stock

T75984 - Durometer 90 (2/Pack) .070" Thick O-Ring; .801" ID X .941" OD
SKU: T75984
430 in stock

T42302 - Durometer 70 (1/Pack) .103" Thick O-Ring; 3.987" ID X 4.193" OD
SKU: T42302
385 in stock

R76617 - Durometer 75 (5/Pack) .070" Thick O-Ring; .489" ID X .629" OD
SKU: R76617
280 in stock

R72653 - Snap; 50/Pack Ring
SKU: R72653
1800 in stock

R65397 - Durometer 75 (2/Pack) .103" Thick O-Ring; .487" ID X .693" OD
SKU: R65397
548 in stock

R63185 - Durometer 70 (1/Pack) .139" Thick O-Ring; 1.171" ID X 1.449" OD
SKU: R63185
271 in stock

R62070 - Durometer 70 (5/Pack) .070" Thick O-Ring; .989" ID X 1.129" OD
SKU: R62070
185 in stock

R61467 - Durometer 75 (2/Pack) .103" Thick O-Ring; 2.737" ID X 2.943" OD
SKU: R61467
766 in stock

R61105 - Durometer 75 (1/Pack) .139" Thick O-Ring; 1.484" ID X 1.762" OD
SKU: R61105
1270 in stock

R56757 - Durometer 75 (2/Pack) .139" Thick O-Ring; 3.609" ID X 3.887" OD
SKU: R56757
256 in stock

R56464 - Durometer 75 (5/Pack) .103" Thick O-Ring; .549" ID X .755" OD
SKU: R56464
660 in stock

R56462 - Durometer 75 (5/Pack) .139" Thick O-Ring; .734" ID X 1.012" OD
SKU: R56462
270 in stock

R56461 - Durometer 75 (5/Pack) .139" Thick O-Ring; 1.109" ID X 1.387" OD
SKU: R56461
455 in stock

R51603 - Durometer 70 (10/Pack) O-Ring; .612" ID X .818" OD X .103" Thick
SKU: R51603
290 in stock

R504734 - Durometer 60 (1/Pack) .139" Thick O-Ring; 1.484" ID X 1.762" OD
SKU: R504734
112 in stock

R459R - Durometer 70 (25/Pack) .103" Thick O-Ring; .549" ID X .755 OD
SKU: R459R
625 in stock

R27928 - Durometer 75 (25/Pack) .070" Thick O-Ring; .926" ID X 1.066" OD
SKU: R27928
450 in stock

R27564 - Durometer 70 (10/Pack) .070" Thick O-Ring; .739" ID X .879" OD
SKU: R27564
250 in stock
