John Deere 4400 Combine Parts

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The John Deere 4400 combine, manufactured from 1972 to 1979, was a popular choice for farmers looking for a reliable and efficient grain harvesting solution. Powered by a John Deere diesel engine producing around 105 horsepower, the 4400 offered header widths up to 15 feet. Its conventional threshing system made it well-suited for a variety of crops, solidifying its reputation for dependable performance.

The John Deere 4400 combine was introduced in 1972 and remained in production until 1979, filling a crucial role in the John Deere combine lineup. It was powered by a 329 cubic inch John Deere diesel engine rated at approximately 105 horsepower. The 4400 utilized a conventional threshing system with a 43-inch wide cylinder, offering effective grain separation. Grain tank capacity was approximately 70 bushels, with an unloading auger capable of emptying the tank at a rate of around 25 bushels per minute. Available header widths ranged from 13 to 15 feet, allowing for efficient harvesting in various field conditions. Chopper and spreader options were available to manage crop residue. The cab featured basic controls and instrumentation to monitor combine performance. The John Deere 4400 excelled at harvesting wheat, soybeans, corn, and other small grains, establishing itself as a versatile and dependable machine for farmers.

Specifications

Engine	John Deere 105 HP 329 cu in Diesel
Separator Type	Conventional - 43-inch Cylinder
Grain Tank	70 bushels
Unloading Rate	25 bu/min
Header Widths	13-15 ft
Fuel Capacity	45 gallons
Weight	12,500 lbs
Years Produced	1972-1979

Maintenance Tips

Concave Adjustment: Regularly check and adjust the concave clearance to ensure proper threshing without damaging the grain. Consult the operator's manual for recommended settings based on the crop being harvested.
Belt and Chain Tension: Inspect and adjust belt and chain tension throughout the harvesting season to prevent slippage and ensure efficient power transmission. Replace worn belts and chains promptly.
Sieve and Chaffer Cleaning: Regularly clean the sieves and chaffer to remove debris and prevent grain loss. Adjust the sieve and chaffer openings according to the crop and field conditions.
Bearing Greasing: Grease all bearings regularly according to the manufacturer's recommendations. Proper lubrication will extend the life of the bearings and prevent premature failure.

History & Background

The John Deere 4400 combine was introduced in 1972 as a mid-sized combine option in the John Deere lineup. It did not undergo any major redesigns during its production run, focusing on refining existing features for improved reliability and performance. The 4400 played a significant role in providing farmers with an affordable and dependable combine for harvesting various grain crops.

Frequently Asked Questions

What engine is in the John Deere 4400?

The John Deere 4400 combine is equipped with a 329 cubic inch John Deere diesel engine producing approximately 105 horsepower.

What is the grain tank capacity on a 4400?

The grain tank capacity of the John Deere 4400 is approximately 70 bushels, with an unloading rate of around 25 bushels per minute.

What type of separator does the 4400 have?

The John Deere 4400 utilizes a conventional threshing system with a 43-inch wide cylinder for grain separation.

What are common parts needed for the 4400?

Common parts needed for the John Deere 4400 include concaves, rasp bars, belts, chains, bearings, auger fingers, and sickle sections. Regular inspection and replacement of these parts can ensure optimal performance.

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