John Deere 320 Tractor Parts
The John Deere 320 tractor, manufactured from 1956 to 1958, was a popular choice for farmers seeking a reliable and versatile machine. Powered by a 25 HP gasoline engine and delivering approximately 21 PTO horsepower, it provided sufficient power for various farm tasks. Its compact size and ease of operation made it a favorite for small to medium-sized farms.
The John Deere 320 was produced from 1956 to 1958 as part of John Deere's '20' series, succeeding earlier models and incorporating improvements in design and functionality. This utility tractor featured a John Deere-built 25 horsepower gasoline engine with a displacement of 101 cubic inches. The engine provided ample power for the tractor's size and capabilities. The transmission was a standard 4-speed manual gear transmission, offering reliable and straightforward operation. The PTO delivered approximately 21 horsepower, typically operating at 540 RPM, suitable for powering implements such as mowers and balers. The hydraulic system capacity was around 6.2 GPM, and it included a single remote. It was equipped with a Category I 3-point hitch, enabling the use of a wide range of implements for tasks like plowing, cultivating, and mowing. The 320 distinguished itself with its improved hydraulics and greater accessibility for maintenance compared to its predecessors. Its compact size and adequate power made it ideal for row crop operations, hay production, and general farm work.
Specifications
| Engine | John Deere 25 HP Gasoline 101 ci |
|---|---|
| PTO HP | 21 HP @ 540 RPM |
| Transmission | Gear 4-speed |
| Hydraulics | 6.2 GPM, 1 remotes |
| 3-Point Hitch | Category I, 1400 lbs lift capacity |
| Fuel Capacity | 12 gallons |
| Weight | 2600 lbs |
| Years Produced | 1956-1958 |
Maintenance Tips
- Change the engine oil and filter every 100-125 hours of operation. Use a high-quality oil recommended for gasoline engines.
- Inspect and maintain the hydraulic system regularly. Check for leaks, ensure proper fluid levels, and replace hydraulic filters per the manufacturer's recommendations.
- Use fresh, clean fuel and add a fuel stabilizer during seasonal storage to prevent fuel degradation and carburetor issues.
- Before storing the tractor for the winter, drain the carburetor bowl to prevent fuel residue buildup. Grease all fittings and inspect the coolant level and condition.
History & Background
The John Deere 320 was introduced in 1956 as part of the '20' series, marking an evolution in John Deere's tractor design. While it didn't undergo major redesigns during its short production run, it represented a step forward in terms of hydraulic performance and ease of maintenance. Its reliable performance contributed to its popularity during its time.
Frequently Asked Questions
What engine is in the John Deere 320?
The John Deere 320 is equipped with a John Deere 25 HP gasoline engine with a 101 cubic inch displacement.
What is the PTO horsepower on a 320?
The John Deere 320 delivers approximately 21 PTO horsepower operating at 540 RPM.
What oil filter fits the 320?
The correct oil filter for the John Deere 320 is typically a Wix 51060 or Fram PH8A, although cross-references may vary by brand. Always verify compatibility with your parts supplier.
What are common parts needed for the 320?
Common parts needed for the John Deere 320 include engine oil filters, air filters, fuel filters, hydraulic filters, belts for the generator and water pump, hydraulic seals, steering components, and clutch parts.

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