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.

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

AL111676-N - NEW ALTERNATOR
SKU: AL111676-N
4 in stock

AL111676 - RE-MFG. ALTERNATOR
SKU: AL111676
36 in stock

RE56212 - Center Link End (Tractor End)
SKU: RE56212
61 in stock

RE56209 - Center Link End (Implement End) Cat. III
SKU: RE56209
61 in stock

RE43703 - Center Link Assembly (Cat III)
SKU: RE43703
29 in stock

RE11578 - Rear Draft Link Lock
SKU: RE11578
49 in stock

R96295 - Center Link Lock
SKU: R96295
53 in stock

R96294 - Center Link Body
SKU: R96294
83 in stock

R95613 - Drawbar Swing Control Pin
SKU: R95613
9 in stock

R95612 - Drawbar Bushing
SKU: R95612
33 in stock

R88665 - Drawbar Hammerstrap
SKU: R88665
126 in stock

R79916 - 1" Pin; Lift Link Upper End
SKU: R79916
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R125450 - Top Link Pin
SKU: R125450
124 in stock

R117937 - Sway Block Mounting Pin
SKU: R117937
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R108086 - Load Control Shaft Seal
SKU: R108086
134 in stock

L79234 - Rockshaft Bushing
SKU: L79234
105 in stock

L77331 - Drawbar Support Bushing
SKU: L77331
466 in stock

L76136 - Front Drawbar Pin Plug
SKU: L76136
29 in stock

L76091 - Rear Drawbar Support
SKU: L76091
22 in stock

L76089 - Front Drawbar Pin
SKU: L76089
16 in stock
