John Deere 7920 Tractor Parts
7920 parts and accessories
The John Deere 7920 tractor, manufactured from 2003 to 2006, is a powerful and versatile machine favored by farmers for its reliability and performance. Equipped with a John Deere PowerTech 6.8L diesel engine producing around 175 engine horsepower and 145 PTO horsepower, the 7920 offered a blend of power and efficiency. Its comfortable cab and advanced features made it a popular choice for a wide range of agricultural tasks.
The John Deere 7920 was introduced as part of the '20 Series' tractors, building upon the success of previous models with improvements in power, comfort, and technology. Produced from 2003 to 2006, the 7920 features a John Deere PowerTech 6.8L, 6-cylinder turbocharged diesel engine, delivering approximately 175 engine horsepower. The engine's robust design ensures reliable performance in demanding conditions. Transmission options include a PowrQuad transmission or an Infinitely Variable Transmission (IVT), offering flexibility for various applications. The PTO delivers around 145 horsepower with both 540 and 1000 RPM options, suitable for powering a variety of implements. Hydraulic capacity is rated at approximately 29 GPM, with multiple remote valves available. The 3-point hitch is a Category II/III, offering a lift capacity of over 8,800 lbs. The 7920 is commonly used for row crop operations, hay production, livestock management, and tillage. It stands out from other models with its combination of power, advanced transmission options, and operator comfort, making it a highly sought-after tractor for diverse farming operations.
Specifications
| Engine | John Deere PowerTech 175 HP 6.8L Diesel |
|---|---|
| PTO HP | 145 HP @ 540/1000 RPM |
| Transmission | PowrQuad/IVT (Infinitely Variable Transmission) |
| Hydraulics | 29 GPM, Up to 4 remotes |
| 3-Point Hitch | Category II/III, 8,818 lbs lift capacity |
| Fuel Capacity | 63 gallons |
| Weight | 16,481 lbs |
| Years Produced | 2003-2006 |
Maintenance Tips
- Engine Oil & Filter: Change the engine oil and filter every 250-500 hours, depending on operating conditions. Use oil that meets John Deere's specifications for optimal engine life.
- Hydraulic System: Inspect hydraulic fluid levels regularly and change the hydraulic filters and fluid every 1000-1500 hours to prevent contamination and maintain hydraulic performance.
- Fuel System: Use clean, high-quality diesel fuel and replace the fuel filter every 500 hours to prevent fuel system issues. Consider using a fuel additive to combat gelling in cold weather.
- Seasonal Storage: Before storing the tractor for an extended period, fill the fuel tank to prevent condensation, grease all lubrication points, and disconnect the battery to prevent discharge.
History & Background
The John Deere 7920 was introduced in 2003 as part of the '20 Series', signifying a commitment to operator comfort, increased horsepower and technological advancements. While no major redesigns occurred during its production run, the 7920 became known as a dependable and versatile tractor, cementing its place in agricultural history as a popular choice for medium to large-scale farming operations.
Frequently Asked Questions
What engine is in the John Deere 7920?
The John Deere 7920 is powered by a John Deere PowerTech 6.8L, 6-cylinder turbocharged diesel engine producing approximately 175 engine horsepower.
What is the PTO horsepower on a 7920?
The John Deere 7920 has a PTO horsepower rating of approximately 145 HP. It offers both 540 and 1000 RPM PTO speed options.
What oil filter fits the 7920?
The John Deere 7920 typically uses a John Deere oil filter part number RE504836 or aftermarket equivalents like Wix 51791 or Baldwin B7377. Always verify the correct part number with your John Deere dealer or parts supplier.
What are common parts needed for the 7920?
Common wear parts for the John Deere 7920 include engine oil filters, fuel filters, air filters, hydraulic filters, fan belts, hydraulic cylinder seal kits, tie rod ends, and clutch components depending on the transmission type.

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