John Deere 4040 Tractor Parts

4040 parts and accessories

The John Deere 4040, manufactured from 1978 to 1983, was a popular utility tractor known for its reliability and versatility. Powered by a robust John Deere diesel engine, it delivered around 80 horsepower at the PTO, making it well-suited for a variety of farming tasks. Farmers appreciated its comfortable operator station and strong hydraulic system, contributing to its lasting legacy.

The John Deere 4040 was introduced in 1978 as part of the 'Iron Horse' lineup, replacing the earlier John Deere 4030. It was produced until 1983, when it was succeeded by the John Deere 4050. The 4040 is powered by a John Deere 6.4L (390 cu in) 6-cylinder diesel engine, producing approximately 85 engine horsepower and 75 PTO horsepower. The transmission options included a SyncroRange transmission with 8 forward and 4 reverse gears, or the optional Quad-Range transmission with 16 forward and 6 reverse gears, which provided a wider range of working speeds. The PTO offered both 540 and 1000 RPM options, allowing it to power a variety of implements. Its hydraulic system delivered around 26 GPM flow to power implements and the 3-point hitch, which was Category II rated. It was commonly used for row crop operations, hay baling, livestock feeding, and light tillage. Unlike some larger models, it was compact enough for smaller farms, while still providing enough power for demanding tasks.

Specifications

Engine	John Deere 6.4L (390 ci) 85 HP Diesel
PTO HP	75 HP @ 540/1000 RPM
Transmission	SyncroRange or Quad-Range (8F/4R or 16F/6R)
Hydraulics	26 GPM, 2 remotes
3-Point Hitch	Category II, 5300 lbs lift capacity
Fuel Capacity	34 gallons
Weight	9,900 lbs
Years Produced	1978-1983

Maintenance Tips

Engine Oil & Filter: Change engine oil and filter every 250 hours using a high-quality oil meeting John Deere specifications. Check oil levels regularly.
Hydraulic System: Inspect hydraulic fluid levels regularly and change the hydraulic filter every 500 hours. Use only John Deere-approved hydraulic fluid.
Fuel System: Drain water and sediment from the fuel tank regularly to prevent fuel system issues. Replace the fuel filter annually or every 500 hours.
Seasonal Storage: Before storing the tractor for the winter, fill the fuel tank, add fuel stabilizer, and disconnect the battery. Consider changing the engine oil and filter to protect the engine during storage.

History & Background

The John Deere 4040 was introduced in 1978 as part of a significant model refresh from John Deere. It continued the tradition of reliable and versatile utility tractors from John Deere. Its popularity cemented its place as a workhorse tractor for many farms across the country.

Frequently Asked Questions

What engine is in the John Deere 4040?

The John Deere 4040 is equipped with a John Deere 6.4L (390 cubic inch) 6-cylinder diesel engine, producing approximately 85 horsepower.

What is the PTO horsepower on a 4040?

The John Deere 4040 has a PTO horsepower rating of approximately 75 HP. It offers both 540 and 1000 RPM PTO speeds.

What oil filter fits the 4040?

The John Deere 4040 commonly uses a John Deere oil filter part number AR51747 or equivalent. Cross-references include Wix 51794 and Fram PH3600.

What are common parts needed for the 4040?

Common wear parts for the John Deere 4040 include engine oil filters, fuel filters, hydraulic filters, belts (fan, alternator), hydraulic seals, steering components (tie rod ends), and clutch parts (disc, pressure plate).

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