John Deere 7420 Tractor Parts
7420 parts and accessories
The John Deere 7420 tractor, manufactured from 2003 to 2007, became a popular choice for farmers due to its versatility and reliable performance. Powered by a 125 engine horsepower John Deere PowerTech diesel engine, this tractor delivered robust power for a variety of tasks. With a PTO horsepower of around 105, it efficiently handled implements for planting, cultivating, and harvesting.
The John Deere 7420 was part of the John Deere 7020 series, introduced in 2003 as an upgrade to previous models, and produced until 2007. It featured the John Deere PowerTech 6.8L 6-cylinder diesel engine, producing approximately 125 engine horsepower. This engine was known for its fuel efficiency and durability. The transmission options included a PowrQuad transmission with various speed configurations, allowing operators to tailor the tractor's performance to specific tasks. The PTO horsepower was around 105 hp, available in both 540 and 1000 RPM configurations. Hydraulic capacity was typically around 29 GPM with options for multiple remote valves. The 3-point hitch was a Category II/III, offering ample lift capacity for a wide range of implements. The 7420 was commonly used for row crop operations, hay production, livestock management, and tillage applications. Compared to other models in the 7020 series, the 7420 offered a balance of power and maneuverability, making it a versatile choice for medium-sized farms.
Specifications
| Engine | John Deere PowerTech 6.8L 125 HP Diesel |
|---|---|
| PTO HP | 105 HP @ 540/1000 RPM |
| Transmission | PowrQuad (Various Speed Configurations) |
| Hydraulics | 29 GPM, Up to 4 Remotes |
| 3-Point Hitch | Category II/III, 6724 lbs Lift Capacity |
| Fuel Capacity | 58 gallons |
| Weight | 13,200 lbs |
| Years Produced | 2003-2007 |
Maintenance Tips
- Change engine oil and filter every 250 hours of operation using high-quality oil meeting John Deere specifications. Regular oil changes are crucial for engine longevity.
- Inspect and maintain hydraulic fluid levels regularly, and replace the hydraulic filter according to the manufacturer's recommendations. Contaminated hydraulic fluid can damage components.
- Use clean, high-quality fuel and replace the fuel filter at recommended intervals to prevent fuel system issues. Drain any water accumulation from the fuel tank periodically.
- Before seasonal storage, thoroughly clean the tractor, service all filters and fluids, and protect exposed metal parts to prevent rust and corrosion.
History & Background
The John Deere 7420 was introduced in 2003 as part of the updated 7020 series, replacing earlier models with improved engine technology and comfort features. It represented a significant step forward in tractor design, offering farmers enhanced performance and versatility for various agricultural tasks. This model contributed to John Deere's reputation for producing reliable and efficient farm equipment.
Frequently Asked Questions
What engine is in the John Deere 7420?
The John Deere 7420 is powered by a John Deere PowerTech 6.8L 6-cylinder diesel engine producing approximately 125 engine horsepower.
What is the PTO horsepower on a 7420?
The PTO horsepower on the John Deere 7420 is approximately 105 hp, available in both 540 and 1000 RPM configurations.
What oil filter fits the 7420?
The John Deere 7420 typically uses a John Deere oil filter part number RE504836 or a similar cross-reference such as a Wix 57202 or a Baldwin B7349.
What are common parts needed for the 7420?
Common parts needed for the John Deere 7420 include engine oil filters, fuel filters, hydraulic filters, air filters, fan belts, hydraulic seals, steering components like tie rod ends, clutch parts, and PTO shaft components.

AL116741 - Tie Rod (RH)
SKU: AL116741
104 in stock

AL116740 - Tie Rod (LH)
SKU: AL116740
62 in stock

AL113460 - Tie Rod Boot
SKU: AL113460
38 in stock

AL113451 - Tie Rod Boot
SKU: AL113451
153 in stock

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

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

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

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
