John Deere 1140 Tractor Parts
1140 parts and accessories
The John Deere 1140, produced from 1979 to 1988, was a versatile and reliable utility tractor popular for its fuel efficiency and robust design. Powered by a 52 hp diesel engine, the 1140 offered a dependable 45 PTO horsepower, making it well-suited for a variety of tasks on smaller farms and ranches. Its simplicity and ease of maintenance further cemented its reputation as a farmer's favorite.
The John Deere 1140 tractor was manufactured between 1979 and 1988, becoming a staple in the utility tractor market. Its engine was a Yanmar 3T90 diesel, producing approximately 52 engine horsepower with a displacement of 91.3 cubic inches. The transmission was typically a synchromesh gear transmission, offering either 8 forward and 4 reverse speeds or, optionally, a 12 forward and 4 reverse speed transmission with creeper gears. The 1140's PTO delivered 45 horsepower at 540 RPM, enabling it to power a range of implements. Its hydraulic system provided around 7.4 GPM of flow and commonly featured one or two remote valves. It was equipped with a Category I 3-point hitch, providing a lift capacity of approximately 3,300 lbs. Common applications included row crop work, hay baling, livestock feeding, and light tillage. Unlike some larger John Deere models, the 1140 focused on simplicity and efficiency, making it an ideal choice for small to medium-sized farms seeking a dependable and economical machine.
Specifications
| Engine | Yanmar 3T90 52 HP Diesel |
|---|---|
| PTO HP | 45 HP @ 540 RPM |
| Transmission | Synchromesh Gear, 8F/4R or 12F/4R |
| Hydraulics | 7.4 GPM, 1-2 remotes |
| 3-Point Hitch | Category I, 3300 lbs |
| Fuel Capacity | 14.5 gallons |
| Weight | 4,233 lbs |
| Years Produced | 1979-1988 |
Maintenance Tips
- Change your engine oil and filter every 250 hours using a high-quality diesel engine oil that meets John Deere specifications.
- Regularly inspect and maintain your hydraulic system, checking for leaks and ensuring the hydraulic fluid is clean and at the proper level. Replace hydraulic filters according to the manufacturer's recommendations.
- Keep the fuel system clean by using fresh fuel and adding a fuel stabilizer, especially during periods of inactivity or seasonal storage. Consider replacing the fuel filter annually.
- Before storing the tractor for the off-season, drain fluids, grease all fittings, and protect electrical connections from corrosion. Store the tractor in a dry location.
History & Background
Introduced in 1979, the John Deere 1140 filled a crucial need for a reliable utility tractor in the John Deere lineup. While it didn't undergo major redesigns during its production run, it remained a popular choice due to its robust engine and user-friendly operation. Its significance lies in providing a dependable and affordable solution for smaller farming operations.
Frequently Asked Questions
What engine is in the John Deere 1140?
The John Deere 1140 is equipped with a Yanmar 3T90 diesel engine, producing approximately 52 horsepower.
What is the PTO horsepower on a 1140?
The John Deere 1140 delivers 45 PTO horsepower at 540 RPM.
What oil filter fits the 1140?
A common oil filter for the John Deere 1140 is a John Deere filter AM101207. Cross-references include Fram PH3614, Wix 51348, and NAPA 1348.
What are common parts needed for the 1140?
Common wear parts for the John Deere 1140 include engine oil filters, fuel filters, hydraulic filters, belts (fan and alternator), hydraulic seals (for cylinders and valves), steering components (tie rod ends), and clutch components (disc and pressure plate).

AR103033 - Hydraulic Pump
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