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.

R57050 - Hub; MFWD O-Ring
SKU: R57050
65 in stock

R50992 - Hub; Pound In Cap
SKU: R50992
579 in stock

R49838 - Thrust (Spindle) Washer
SKU: R49838
202 in stock

R49835 - Upper/ Lower Bushing
SKU: R49835
130 in stock

R237713 - Bevel; MFWD Gear
SKU: R237713
228 in stock

R237709 - Bevel Pinion; MFWD Gear
SKU: R237709
109 in stock

R130069 - MFWD Axle Housing Bushing
SKU: R130069
201 in stock

R121282 - MFWD Planetary Pinion Gear
SKU: R121282
16 in stock

R115659 - Steering Arm (LH)
SKU: R115659
23 in stock

R115658 - Steering Arm (RH)
SKU: R115658
40 in stock

R100774 - Planetary Pinion Shaft Thrust Washer
SKU: R100774
22 in stock

L156857 - MFWD DRIVESHAFT SEAL
SKU: L156857
63 in stock

L114652 - Front MFWD Axle Bushing
SKU: L114652
155 in stock

L114558 - MFWD Axle Housing Bushing
SKU: L114558
15 in stock

L113966 - MFWD Short Axle Housing Bushing
SKU: L113966
27 in stock

L112112 - Front Wheel; MFWD Bolt
SKU: L112112
190 in stock

L112110 - MFWD Front Axle King Pin
SKU: L112110
27 in stock

L111817 - ZF Axle Support Assy Pin
SKU: L111817
212 in stock

L110233 - MFWD Driveshaft Seal
SKU: L110233
59 in stock

L100152 - MFWD Differential (1.2MM Thick) Plate
SKU: L100152
123 in stock

L100151 - MFWD Differential (1.1MM Thick) Plate
SKU: L100151
116 in stock

L100150 - MFWD Differential (1.0MM Thick) Plate
SKU: L100150
38 in stock

JD9346 - BALL BEARING
SKU: JD9346
116 in stock

JD9115 - Bearing; Wheel Hub (MFWD) Cup
SKU: JD9115
294 in stock
