John Deere 4620 Tractor Parts

4620 parts and accessories

The John Deere 4620 was a popular row-crop tractor manufactured from 1971 to 1977. Known for its reliable 136 horsepower diesel engine and efficient operation, the 4620 provided farmers with a dependable workhorse for a variety of tasks. Its robust PTO horsepower made it a favorite for powering implements in the field.

The John Deere 4620 was introduced in 1971 as a powerful and versatile tractor in the John Deere lineup. Production continued until 1977. The 4620 is powered by a John Deere 6.6L (404 cu in) 6-cylinder diesel engine, delivering approximately 136 horsepower. This engine provided ample power for various farming applications. The transmission options included a Syncro Range transmission with 8 forward and 2 reverse gears, or a Quad-Range transmission with 16 forward and 6 reverse gears. The PTO horsepower is rated at 115 HP, with both 540 RPM and 1000 RPM PTO options available, making it suitable for a wide range of implements. The hydraulic system had a capacity of around 26.5 GPM, providing sufficient flow for implements and attachments. It came equipped with a Category II 3-point hitch, with a lift capacity of approximately 6,700 lbs. The John Deere 4620 was commonly used for row crop work, haying operations, and livestock feeding. It distinguished itself from other models with its higher horsepower rating and heavier-duty construction, making it a step up from the smaller utility tractors.

Specifications

Engine	John Deere 6.6L Diesel 136 HP
PTO HP	115 HP @ 540/1000 RPM
Transmission	Syncro Range 8F/2R or Quad-Range 16F/6R
Hydraulics	26.5 GPM, 2 remotes
3-Point Hitch	Category II, 6700 lbs lift capacity
Fuel Capacity	45 gallons
Weight	12,400 lbs
Years Produced	1971-1977

Maintenance Tips

Change engine oil and filter every 250 hours using a high-quality diesel engine oil and the correct filter (verify filter number).
Inspect and maintain the hydraulic system regularly, checking for leaks and changing hydraulic fluid and filters per the manufacturer's recommendations (typically every 500-1000 hours).
Keep the fuel system clean by using fuel additives and draining water from the fuel tank regularly to prevent injector issues.
Before seasonal storage, thoroughly clean the tractor, top off all fluids, and consider using a fuel stabilizer to prevent fuel degradation. Disconnect the battery to prevent drain.

History & Background

The John Deere 4620 was a key model introduced in the early 1970s, representing a move towards larger, more powerful tractors. It filled a significant gap in John Deere's lineup, offering a balance of power and versatility for medium-sized farms. The 4620 remains a sought-after classic tractor due to its reliability and proven performance.

Frequently Asked Questions

What engine is in the John Deere 4620?

The John Deere 4620 is equipped with a John Deere 6.6L (404 cubic inch) 6-cylinder diesel engine producing approximately 136 horsepower.

What is the PTO horsepower on a 4620?

The PTO horsepower of the John Deere 4620 is rated at 115 horsepower. It offers both 540 RPM and 1000 RPM PTO options.

What oil filter fits the 4620?

The recommended oil filter for the John Deere 4620 is typically a John Deere AR50041 or equivalent. Cross-references include Wix 51794, Fram PH3756, and Baldwin B2HPG.

What are common parts needed for the 4620?

Common wear parts for the John Deere 4620 include engine oil filters, fuel filters, hydraulic filters, fan belts, radiator hoses, hydraulic seals, tie rod ends, clutch discs, and brake components.

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