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).

AT226281 - 12 Volt Horn
SKU: AT226281
15 in stock

AT130104 - Halogen Light Bulb
SKU: AT130104
641 in stock

AR88485 - Battery to Starter Cable
SKU: AR88485
78 in stock

AR78298 - Voltage Regulator (12 Volt)
SKU: AR78298
24 in stock

AR75695 - 7 Pin (North America) Implement Lights Socket
SKU: AR75695
153 in stock

AR74411 - Accessory Relay
SKU: AR74411
225 in stock

AR64422 - Flasher Control Switch
SKU: AR64422
670 in stock

AR58126 - Ignition (12 Volt) Switch
SKU: AR58126
83 in stock

AR55827 - Voltage Regulator
SKU: AR55827
44 in stock

AR54484 - Cab & Accessory Relay
SKU: AR54484
62 in stock

AR54445 - Light Switch Knob
SKU: AR54445
129 in stock

AR48724 - Light (12 Volt) Switch
SKU: AR48724
85 in stock

AR46231 - Battery Connector Cable
SKU: AR46231
5 in stock

AR21823 - Horn/ Ether Start Aid (12 Volt) Switch
SKU: AR21823
76 in stock

AR102755 - Starter Solenoid
SKU: AR102755
9 in stock

AM53945 - Relay Solenoid Switch (12 Volt)
SKU: AM53945
87 in stock

AL77324 - 40 Amp Relay
SKU: AL77324
74 in stock

AL36529 - Light / Blower Switch
SKU: AL36529
155 in stock

AL171541 - L/Pulley Alternator
SKU: AL171541
19 in stock

AL166836 - Alternator Pulley
SKU: AL166836
26 in stock

AL166835 - Alternator Pulley
SKU: AL166835
22 in stock

AL166646 - Alternator
SKU: AL166646
55 in stock

AL166645 - Bosch Type 90 Amp 12V Alternator; IR/IF
SKU: AL166645
44 in stock

AL155404 - Voltage Regulator
SKU: AL155404
2 in stock
