John Deere 940V Tractor Parts
940V parts and accessories
The John Deere 940V tractor, produced from 1979 to 1983, became a dependable workhorse on farms across the country. Powered by a robust 50 HP diesel engine, this tractor offered a PTO horsepower rating suitable for a variety of implements. Its versatility and reliability solidified its reputation among farmers needing a mid-size tractor for diverse agricultural tasks.
The John Deere 940V was introduced in 1979 as a part of the John Deere's utility tractor lineup and remained in production until 1983. It features a Yanmar 3T90J diesel engine, rated at approximately 50 engine horsepower. This three-cylinder engine displaces 100.6 cubic inches (1.6 liters), providing ample power for its intended applications. The transmission is a gear-type with 8 forward and 4 reverse speeds, offering a good range for various field conditions. The PTO horsepower is around 45, available at 540 RPM. The hydraulic system delivers approximately 8 GPM of flow, sufficient for operating implements and attachments. The 3-point hitch is Category II, with a lift capacity of around 2600 lbs. The 940V was commonly used for row crop work, hay production, livestock operations, and light tillage. Distinguishing it from smaller models was its increased power and heavier build, making it more capable for demanding tasks, while being more economical than larger John Deere models.
Specifications
| Engine | Yanmar 3T90J 50 HP 1.6L Diesel |
|---|---|
| PTO HP | 45 HP @ 540 RPM |
| Transmission | Gear 8F/4R |
| Hydraulics | 8 GPM, 2 remotes |
| 3-Point Hitch | Category II, 2600 lbs |
| Fuel Capacity | 15.9 gallons |
| Weight | 4255 lbs |
| Years Produced | 1979-1983 |
Maintenance Tips
- Change engine oil and filter every 250 hours of operation, using a high-quality diesel engine oil meeting John Deere specifications.
- Inspect and clean the hydraulic system filter every 500 hours to prevent contamination and ensure optimal performance.
- Regularly drain any water or sediment from the fuel filter and tank to prevent fuel system issues, especially during humid conditions.
- Before seasonal storage, thoroughly clean the tractor, grease all fittings, and treat the fuel with a stabilizer to prevent fuel degradation.
History & Background
The John Deere 940V was introduced in the late 1970s as a versatile utility tractor. It filled a crucial niche for farmers seeking a balance of power and maneuverability. While there were no major redesigns during its production run, its enduring design cemented its place in agricultural history as a reliable and capable machine.
Frequently Asked Questions
What engine is in the John Deere 940V?
The John Deere 940V is equipped with a Yanmar 3T90J 3-cylinder diesel engine, producing approximately 50 horsepower.
What is the PTO horsepower on a 940V?
The John Deere 940V has a PTO horsepower rating of approximately 45 HP at 540 RPM.
What oil filter fits the 940V?
The recommended oil filter for the John Deere 940V is typically a John Deere M806418. Common cross-references include Wix 51334 and Fram PH3593A. Always verify fitment with your parts supplier.
What are common parts needed for the 940V?
Common wear parts for the John Deere 940V include engine oil filters, fuel filters, hydraulic filters, fan belts, hydraulic seals, steering components (tie rod ends), clutch discs and pressure plates.

R97351 - Flywheel Housing Gasket
SKU: R97351
24 in stock

R97342 - Pan Gasket
SKU: R97342
143 in stock

R97341 - Pan Gasket
SKU: R97341
15 in stock

R96456 - Intake Valve (Std) Insert
SKU: R96456
154 in stock

R92425 - Head Gasket
SKU: R92425
103 in stock

R91880 - Head (6 Cyl.) Gasket
SKU: R91880
22 in stock

R87627 - Valve Stem O-Ring
SKU: R87627
162 in stock

R85363 - Head Bolt
SKU: R85363
10683 in stock

R82820 - Camshaft
SKU: R82820
20 in stock

R81989 - Front Crankshaft Sleeve
SKU: R81989
323 in stock

R80724 - Cylinder Liner
SKU: R80724
10 in stock

R80136 - Oil Filler Cap
SKU: R80136
152 in stock

R80033 - Connecting Rod (2.750" Long) Capscrew
SKU: R80033
131 in stock

R79629 - Intake (.015") Valve
SKU: R79629
16 in stock

R79628 - Intake (.003") Valve
SKU: R79628
15 in stock

R79626 - EXHAUST (.015") VALVE
SKU: R79626
10 in stock

R79625 - Exhaust (.003") Valve
SKU: R79625
228 in stock

R79624 - Exhaust (Std) Valve
SKU: R79624
109 in stock

R79623 - Intake (Std) Valve
SKU: R79623
87 in stock

R79606 - Tee Fitting
SKU: R79606
259 in stock

R79605 - Grommet
SKU: R79605
5681 in stock

R79604 - Injector NUT
SKU: R79604
200 in stock

R75729 - Rocker Cover Gasket
SKU: R75729
41 in stock

R75728 - Rocker Cover Gasket
SKU: R75728
18 in stock
