John Deere 9400-MAXIMIZER Combine Parts

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The John Deere 9400 MAXIMIZER combine, produced from 1993 to 1996, offered farmers a reliable and efficient harvesting solution. Powered by a John Deere engine delivering around 185 horsepower, it provided ample power for its time. Available with header widths up to 30 feet, and utilizing a conventional separator, the 9400 MAXIMIZER was known for its simple design and dependable performance across various grain crops.

The John Deere 9400 MAXIMIZER was introduced in 1993 as part of the MAXIMIZER series, replacing earlier models and offering improved performance. Production continued through 1996. The combine is powered by a 6.8L (414 cu in) John Deere 6068T turbocharged diesel engine, producing approximately 185 horsepower. The 9400 MAXIMIZER utilizes a conventional threshing system with a 43-inch wide cylinder, ensuring efficient grain separation. It features a grain tank capacity of around 220 bushels, allowing for extended harvesting periods before unloading. The unloading auger has a discharge rate of approximately 65 bushels per minute. The 9400 was available with various header widths, ranging from 13 to 30 feet, catering to different field sizes and crop types. Options included straw choppers and spreaders to manage residue effectively. The cab provided operators with essential controls and visibility, contributing to a comfortable and productive harvesting experience. This model excels at harvesting wheat, soybeans, and corn.

Specifications

Engine	John Deere 6068T 185 HP Turbocharged Diesel
Separator Type	Conventional - 43-inch wide cylinder
Grain Tank	220 bushels
Unloading Rate	65 bu/min
Header Widths	13-30 ft
Fuel Capacity	95 gallons
Weight	Approx. 18,000 lbs
Years Produced	1993-1996

Maintenance Tips

Regularly inspect and adjust the concave clearance based on the crop being harvested to optimize threshing efficiency and minimize grain damage.
Check belt and chain tension frequently, especially after initial use, and adjust as needed to prevent slippage and premature wear.
Clean the sieves and chaffer regularly to remove debris and ensure proper airflow for efficient grain cleaning, preventing losses over the back.
Grease all bearings and lubrication points according to the manufacturer's recommendations to maintain smooth operation and extend the life of components. Prior to each season, inspect all wear parts and replace worn or damaged components before harvest begins.

History & Background

The John Deere 9400 MAXIMIZER combine was a significant upgrade over previous models, offering improved efficiency and performance. Introduced in 1993, it featured enhancements to the threshing and cleaning systems, contributing to reduced grain loss. The 9400 helped solidify John Deere's reputation for producing reliable and productive combine harvesters.