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.

RE292445 - Brake Disc
SKU: RE292445
51 in stock

RE527832 - Upper Gasket Set
SKU: RE527832
26 in stock

RE519115 - Valve; Intake/Exhaust Seal
SKU: RE519115
340 in stock

T20073 - Camshaft Follower
SKU: T20073
57 in stock

T20034 - Upper Bushing
SKU: T20034
42 in stock

T20006 - Exhaust Manifold Gasket
SKU: T20006
2169 in stock

RE70358 - Metric Filter Head
SKU: RE70358
175 in stock

RE66085 - Upper Gasket Set
SKU: RE66085
3 in stock

RE65969 - Piston Liner Kit
SKU: RE65969
48 in stock

RE65912 - Thrust (.010") Bearing
SKU: RE65912
76 in stock

RE65911 - Main (.010") Bearing
SKU: RE65911
688 in stock

RE65909 - Connecting Rod (.010") Bearing
SKU: RE65909
95 in stock

RE65908B - Connecting Rod (.020") Bearing
SKU: RE65908B
3 in stock

RE65908 - Connecting Rod (Std) Bearing
SKU: RE65908
8912 in stock

RE65836 - Water Temp Sender Switch
SKU: RE65836
85 in stock

RE65168B - Thrust (.020") Bearing
SKU: RE65168B
15 in stock

RE65168 - Thrust (Std) Bearing
SKU: RE65168
879 in stock

RE65165 - Main (Std) Bearing
SKU: RE65165
7061 in stock

RE64292 - Injector O-Ring Kit
SKU: RE64292
1295 in stock

RE61812 - Air Intake Temperature Sensor
SKU: RE61812
148 in stock

RE59810 - Front Crankshaft Seal
SKU: RE59810
179 in stock

RE56690 - 7 Plate Engine Oil Cooler
SKU: RE56690
16 in stock

RE557891 - Exhaust; 30° Valve
SKU: RE557891
694 in stock

RE557890 - Intake; 30° Valve
SKU: RE557890
1191 in stock
