John Deere 4630 Tractor Parts

4630 parts and accessories

The John Deere 4630, manufactured from 1973 to 1977, was a powerful and versatile tractor popular among farmers. It was powered by a robust 150 horsepower diesel engine, providing ample power for various agricultural tasks. With a PTO horsepower of around 125, the 4630 proved its reliability and efficiency, becoming a favorite for row crop operations and general farm work.

The John Deere 4630 was introduced in 1973 as part of the '30 Series' tractors, succeeding the 4620. Production continued until 1977. This model was equipped with a John Deere 6.6L (404 cu-in) six-cylinder diesel engine, delivering approximately 150 horsepower. The engine's robust design made it ideal for demanding farm tasks. Transmission options included a Quad-Range transmission (16 forward and 6 reverse gears) and a Power Shift transmission (8 forward and 4 reverse gears). The PTO delivered around 125 horsepower and offered both 540 and 1000 RPM options, allowing for versatility with different implements. Hydraulic capacity was around 30 GPM with typically two remote valves available. The 3-point hitch was a Category II, offering a lift capacity of around 6,700 lbs. Common farming applications included row crop work, hay production, livestock operations, and tillage. The 4630 was distinguished from other models in the lineup by its higher horsepower and larger frame, making it suitable for larger farms and more demanding tasks compared to models like the 4430 or 4230.

Specifications

Engine	John Deere 6.6L (404 ci) 150 HP Diesel
PTO HP	125 HP @ 540/1000 RPM
Transmission	Quad-Range (16x6) or Power Shift (8x4)
Hydraulics	30 GPM, 2 remotes
3-Point Hitch	Category II, 6700 lbs lift capacity
Fuel Capacity	46 gallons
Weight	14,180 lbs
Years Produced	1973-1977

Maintenance Tips

Engine Oil & Filter: Change engine oil and filter every 250 hours of operation using a high-quality oil that meets John Deere specifications. Regularly check oil levels.
Hydraulic System: Inspect hydraulic fluid levels regularly and change hydraulic filters every 500 hours to prevent contamination and maintain hydraulic performance.
Fuel System: Use clean, high-quality diesel fuel and replace fuel filters regularly to prevent fuel system issues. Consider adding a fuel stabilizer during seasonal storage.
Seasonal Storage: Before storing the tractor for the off-season, drain the fuel tank, add fuel stabilizer to the remaining fuel, grease all lubrication points, and store it in a dry, sheltered location.

History & Background

The John Deere 4630 was released in 1973 as part of the updated '30 Series', providing a significant power upgrade over its predecessor. It represented a shift towards larger, more powerful tractors designed for increased productivity on modern farms. Its lasting impact can be seen in its continued use today.

Frequently Asked Questions

What engine is in the John Deere 4630?

The John Deere 4630 is powered by a John Deere 6.6L (404 cubic inch) six-cylinder diesel engine producing approximately 150 horsepower.

What is the PTO horsepower on a 4630?

The PTO horsepower of the John Deere 4630 is approximately 125 HP and it offers both 540 and 1000 RPM options.

What oil filter fits the 4630?

A common oil filter for the John Deere 4630 is a Deere AR50041 or equivalent. Cross-references include Fram PH3756 and Wix 51794. Always verify fitment with your parts supplier.

What are common parts needed for the 4630?

Common wear parts for the 4630 include engine oil filters, fuel filters, air filters, hydraulic filters, belts for the cooling system, hydraulic seals for cylinders, steering components like tie rod ends, and clutch disc/pressure plate components.

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