John Deere 1120 Tractor Parts
The John Deere 1120 was a popular utility tractor manufactured from 1968 to 1973, known for its reliability and versatility on the farm. Powered by a 47 horsepower diesel or gasoline engine, it offered a practical solution for various agricultural tasks. With approximately 41 PTO horsepower, the 1120 became a trusted workhorse for farmers needing a compact and efficient machine.
The John Deere 1120 tractor was introduced in 1968 and remained in production until 1973, filling a need for a reliable and versatile utility tractor. It was available with either a John Deere 3.0L (183 ci) 3-cylinder diesel engine producing approximately 47 horsepower or a John Deere 3.0L (183 ci) 3-cylinder gasoline engine, also rated around 47 horsepower. The transmission was typically a synchronized 8-speed gear transmission, providing a range of speeds suitable for diverse tasks. The 1120 featured an independent 540 RPM PTO, delivering about 41 PTO horsepower, ideal for powering implements. Its hydraulic system delivered around 8.5 GPM to power remote cylinders, making it handy for operating attachments. Equipped with a Category I 3-point hitch, offering a lift capacity of around 2,000 lbs, the 1120 excelled in row crop cultivation, hay production, and general livestock operations. Its compact size and balanced power made it a practical choice for smaller farms and various chores, differentiating it from the larger models in the John Deere lineup.
Specifications
| Engine | John Deere 3.0L 47 HP Diesel or Gasoline |
|---|---|
| PTO HP | 41 HP @ 540 RPM |
| Transmission | 8-speed Gear Transmission |
| Hydraulics | 8.5 GPM, 2 remotes |
| 3-Point Hitch | Category I, 2000 lbs Lift Capacity |
| Fuel Capacity | 16.5 gallons |
| Weight | 4,360 lbs |
| Years Produced | 1968-1973 |
Maintenance Tips
- Engine Oil & Filter: Change your engine oil and filter every 250 hours using the recommended oil type and a high-quality filter to ensure optimal engine lubrication and longevity.
- Hydraulic System: Regularly check hydraulic fluid levels and inspect for leaks. Replace hydraulic filters according to the manufacturer's recommendations to prevent contamination and maintain efficient hydraulic operation.
- Fuel System: Use clean, fresh fuel and consider adding a fuel stabilizer, especially during seasonal storage, to prevent fuel degradation and keep the fuel system clean.
- Seasonal Storage: Before storing the tractor for an extended period, drain the fuel tank or add a fuel stabilizer, disconnect the battery, and store the tractor in a dry, sheltered location to protect it from the elements.
History & Background
The John Deere 1120 was introduced in 1968 as part of the John Deere utility tractor lineup, providing a versatile option for farmers. While it didn't undergo any major redesigns during its production run, it maintained a reputation for dependability. The 1120 played a significant role in helping farms modernize their operations with a reliable and efficient tractor.
Frequently Asked Questions
What engine is in the John Deere 1120?
The John Deere 1120 was available with either a John Deere 3.0L (183 ci) 3-cylinder diesel engine or a John Deere 3.0L (183 ci) 3-cylinder gasoline engine. Both engines produced approximately 47 horsepower.
What is the PTO horsepower on a 1120?
The John Deere 1120 has a PTO horsepower rating of approximately 41 horsepower, operating at 540 RPM.
What oil filter fits the 1120?
The oil filter for the John Deere 1120 (diesel) is commonly cross-referenced with a Wix 51290 or a John Deere AR50041. Always verify fitment with your parts supplier based on your engine type.
What are common parts needed for the 1120?
Common wear parts for the John Deere 1120 include engine oil filters, fuel filters, air filters, hydraulic filters, belts (fan, alternator), hydraulic seals, steering components (tie rod ends), clutch disc, and brake pads.

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AT23224 - PTO (540 RPM) Shaft
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