John Deere 2120 Tractor Parts

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The John Deere 2120, manufactured from 1969 to 1975, was a popular utility tractor known for its reliability and versatility. Powered by a 59 HP diesel or gasoline engine and offering around 53 PTO horsepower, the 2120 provided farmers with ample power for a variety of implements. Its robust design and ease of use made it a favorite for general farm work and smaller row crop operations.

The John Deere 2120 was introduced in 1969 as part of the '20' series, replacing the earlier 2020. Production continued until 1975. It featured either a John Deere 3.0L (183 ci) 3-cylinder diesel engine producing approximately 59 engine horsepower or a 3.7L (227 ci) 4-cylinder gasoline engine, also rated at around 59 HP. The tractor offered various transmission options, including an 8-speed gear transmission (4 forward, 1 reverse with high/low range). The independent PTO delivered around 53 horsepower at 540 RPM. The hydraulic system had a capacity of around 16 GPM, providing ample power for implements and remote hydraulics. The 3-point hitch was a Category II, capable of lifting approximately 3200 lbs. Common applications included row crop work, hay production, livestock feeding, and light tillage. The 2120 stood out from other models in the lineup by offering a blend of power and maneuverability in a compact package, making it well-suited for farms of all sizes.

Specifications

Engine	John Deere 59 HP Diesel or Gasoline
PTO HP	53 HP @ 540 RPM
Transmission	8-Speed Gear
Hydraulics	16 GPM, 2 remotes (optional)
3-Point Hitch	Category II, 3200 lbs lift capacity
Fuel Capacity	24 gallons
Weight	5200 lbs
Years Produced	1969-1975

Maintenance Tips

Engine Oil & Filter: Change the engine oil and filter every 250 hours of operation. Use a high-quality oil meeting John Deere's specifications and the correct filter for optimal engine performance.
Hydraulic System: Inspect hydraulic fluid levels regularly. Change the hydraulic fluid and filter every 500 hours to prevent contamination and maintain proper hydraulic function.
Fuel System: Use clean, high-quality fuel. Regularly check and clean the fuel filter to prevent fuel starvation and engine problems. Consider adding a fuel stabilizer during seasonal storage to prevent fuel degradation.
Seasonal Storage: Before storing the tractor for the winter, drain fluids or treat the fuel system, lubricate all grease fittings, and store the tractor in a dry location to prevent rust and corrosion. Disconnect the battery or use a trickle charger to maintain battery health.

History & Background

The John Deere 2120 was a key model in the '20' series, introduced to update the previous generation of tractors. While no major redesigns occurred during its production run, the 2120 solidified John Deere's reputation for producing reliable and versatile utility tractors that served as the backbone of many farming operations.

Frequently Asked Questions

What engine is in the John Deere 2120?

The John Deere 2120 was equipped with either a John Deere 3.0L (183 ci) 3-cylinder diesel engine or a 3.7L (227 ci) 4-cylinder gasoline engine, both rated at approximately 59 horsepower.

What is the PTO horsepower on a 2120?

The John Deere 2120 has a PTO horsepower rating of approximately 53 HP at 540 RPM.

What oil filter fits the 2120?

For the diesel engine, a common oil filter cross-reference is a Fram PH2870A or a John Deere AR51764. Always verify fitment with your specific engine configuration and consult your owner's manual.

What are common parts needed for the 2120?

Common wear parts for the John Deere 2120 include engine oil filters, fuel filters, air filters, hydraulic filters, fan belts, hydraulic seals, steering components (tie rod ends, ball joints), clutch discs, and brake components.

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