John Deere 4320 Tractor Parts
4320 parts and accessories
The John Deere 4320 was a popular and reliable utility tractor produced from 1971 to 1972. Known for its powerful diesel engine, delivering around 86 horsepower, and a PTO horsepower of approximately 70, the 4320 provided farmers with the muscle needed for various field tasks. Its robust build and efficient performance made it a workhorse on many farms.
The John Deere 4320 tractor was part of the 'Generation II' series, manufactured in Waterloo, Iowa from 1971 to 1972. It was designed as a versatile utility tractor suitable for a wide range of agricultural operations. The 4320 is powered by a John Deere 404 cubic inch (6.6L) 4-cylinder diesel engine, producing around 86 engine horsepower. The transmission options included a Syncro Range transmission with 8 forward and 2 reverse gears, or an optional Power Shift transmission offering 8 forward and 4 reverse gears. The PTO horsepower is approximately 70, available in both 540 and 1000 RPM configurations. The hydraulic system had a capacity of around 27 GPM powering two remote valves. It features a Category II 3-point hitch, providing a lift capacity of roughly 4,200 lbs. Farmers commonly used the 4320 for tasks such as row crop cultivation, hay baling, livestock feeding, and light tillage work. The 4320 stands out from other models in the lineup due to its larger frame size and greater horsepower compared to smaller utility tractors like the John Deere 3020, while remaining more compact and maneuverable than larger row crop tractors like the John Deere 4020.
Specifications
| Engine | John Deere 404D 86 HP Diesel |
|---|---|
| PTO HP | 70 HP @ 540/1000 RPM |
| Transmission | Syncro Range, 8F/2R or Power Shift, 8F/4R |
| Hydraulics | 27 GPM, 2 remotes |
| 3-Point Hitch | Category II, 4200 lbs |
| Fuel Capacity | 29 gallons |
| Weight | 8,040 lbs |
| Years Produced | 1971-1972 |
Maintenance Tips
- Engine Oil & Filter: Change engine oil and filter every 250 hours using the recommended oil type (e.g., SAE 15W-40) and a quality replacement filter. This ensures proper engine lubrication and prevents premature wear.
- Hydraulic System: Inspect hydraulic fluid levels regularly and change the hydraulic filter every 500 hours or annually. Use John Deere Hy-Gard or an equivalent hydraulic fluid to maintain optimal hydraulic performance and protect against contamination.
- Fuel System: Drain the fuel sediment bowl regularly to remove water and debris. Replace the fuel filter annually or every 500 hours to prevent fuel system clogging and ensure efficient engine operation. Consider using a fuel stabilizer during seasonal storage to prevent fuel degradation.
History & Background
Introduced in 1971 as part of John Deere's 'Generation II' tractor line, the 4320 aimed to provide farmers with a versatile and powerful utility tractor. There were no major redesigns during its short production run. The John Deere 4320 is remembered as a dependable and capable tractor, contributing to increased productivity on farms across the country.
Frequently Asked Questions
What engine is in the John Deere 4320?
The John Deere 4320 is equipped with a John Deere 404 cubic inch (6.6L) 4-cylinder diesel engine, producing approximately 86 horsepower.
What is the PTO horsepower on a 4320?
The PTO horsepower on the John Deere 4320 is approximately 70 HP, and it supports both 540 and 1000 RPM PTO speeds.
What oil filter fits the 4320?
Common oil filter options for the John Deere 4320 include John Deere part number AR51708, or cross-references like Fram PH2870A, or Wix 51794.
What are common parts needed for the 4320?
Common parts needed for the John Deere 4320 include engine oil filters, fuel filters, hydraulic filters, belts (fan belt, alternator belt), hydraulic cylinder seal kits, steering components (tie rod ends, steering cylinder seals), and clutch discs.

R27883 - Tractor Step
SKU: R27883
202 in stock

R26992 - U-bolt
SKU: R26992
193 in stock

R20759 - Fender Handle Grommet
SKU: R20759
296 in stock

L39119 - Toolbox Bracket
SKU: L39119
323 in stock

JD418 - Hood Decal
SKU: JD418
28 in stock

FK7879 - (1) LH (1) RH Fender Kit
SKU: FK7879
127 in stock

AR52393 - Decal Set
SKU: AR52393
132 in stock

AR49201 - Side (LH) Shield
SKU: AR49201
20 in stock

AR49200 - Side (RH) Shield
SKU: AR49200
23 in stock

AR48488 - Side (RH/LH) Screen
SKU: AR48488
28 in stock

AR40674 - Battery Box (LH)
SKU: AR40674
57 in stock

AR40673 - Battery Box (RH)
SKU: AR40673
143 in stock

RE234165 - Cab Door Gas Strut
SKU: RE234165
73 in stock

CFM445 - Floor Mat
SKU: CFM445
9 in stock

CFM435 - Floor Mat
SKU: CFM435
14 in stock

AR89137 - Rear View Mirror
SKU: AR89137
300 in stock

R45126 - PTO Guide
SKU: R45126
159 in stock

R42014 - PTO Drive Reduction Gear
SKU: R42014
43 in stock

R41756 - PTO (540 RPM) Shaft
SKU: R41756
29 in stock

R38224SP - PTO (540 RPM) Shaft
SKU: R38224SP
59 in stock

R38224 - PTO (1000 RPM) Shaft
SKU: R38224
138 in stock

R38219 - Thrust Washer
SKU: R38219
97 in stock

R33348 - PTO Shield
SKU: R33348
70 in stock

R33337 - PTO Bearing Housing / Cover Gasket
SKU: R33337
588 in stock
