Massey Ferguson 420 Tractor Parts
420 parts and accessories
The Massey Ferguson 420 tractor, produced from 1986 to 1991, was a versatile workhorse appreciated for its reliability and ease of use. Typically powered by a Perkins diesel engine ranging from 45 to 50 horsepower, the MF 420 delivered approximately 40 PTO horsepower, making it a popular choice for small to medium-sized farms needing a dependable tractor for various tasks.
The Massey Ferguson 420 was introduced in 1986 as part of the 400 series, offering a balance of power and economy for a wide range of farming applications. Production continued until 1991. The tractor is typically powered by a Perkins AD3.152 diesel engine, producing around 45 to 50 horsepower with a displacement of approximately 152 cubic inches. The transmission options varied, but a common configuration was an 8-speed gear transmission offering a range of speeds suitable for different field conditions. The PTO horsepower is rated at around 40 HP, typically offering a 540 RPM PTO shaft. The hydraulic system provides a capacity of around 7 GPM, often with one or two remote valves. The 3-point hitch is a Category I or II, depending on the specific configuration, providing a lift capacity of approximately 2500 lbs. The MF 420 was commonly used for row crop work, hay production, livestock operations, and light tillage. It distinguished itself from other models in the lineup by its simplicity, affordability, and fuel efficiency.
Specifications
| Engine | Perkins AD3.152 45-50 HP Diesel |
|---|---|
| PTO HP | 40 HP @ 540 RPM |
| Transmission | 8-Speed Gear |
| Hydraulics | 7 GPM, 1-2 remotes |
| 3-Point Hitch | Category I/II, 2500 lbs |
| Fuel Capacity | 16 gallons |
| Weight | 4500 lbs |
| Years Produced | 1986-1991 |
Maintenance Tips
- Change engine oil and filter every 250 hours, using a high-quality oil suitable for diesel engines.
- Regularly inspect hydraulic fluid levels and filters. Change hydraulic fluid and filter according to the manufacturer's recommendations (typically every 500-1000 hours).
- Check and clean the fuel filter regularly to prevent fuel system problems. Use fresh, clean diesel fuel.
- Before seasonal storage, drain fluids, lubricate grease fittings, and protect the tractor from the elements.
History & Background
The Massey Ferguson 420 was launched in the mid-1980s as a successor to earlier models, offering improved features and fuel efficiency. While not undergoing major redesigns during its production run, it established itself as a reliable and affordable tractor, contributing to Massey Ferguson's legacy in the agricultural equipment industry.
Frequently Asked Questions
What engine is in the Massey Ferguson 420?
The Massey Ferguson 420 is typically equipped with a Perkins AD3.152 3-cylinder diesel engine, producing between 45 and 50 horsepower.
What is the PTO horsepower on a 420?
The PTO horsepower on the Massey Ferguson 420 is approximately 40 HP, operating at 540 RPM.
What oil filter fits the 420?
A common oil filter for the Massey Ferguson 420 with the Perkins AD3.152 engine is a Wix 51258 or a Fram PH2951. Always verify compatibility with your specific tractor using a parts catalog.
What are common parts needed for the 420?
Common wear parts for the Massey Ferguson 420 include engine oil filters, fuel filters, air filters, hydraulic filters, fan belts, hydraulic seals, steering components, clutch discs and pressure plates.

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