John Deere 6300 Combine Parts

6300 parts and accessories

The John Deere 6300 combine harvester, produced in the early to mid-1990s, was a popular choice for grain farmers. Known for its reliability and efficient conventional threshing system, the 6300 featured engine horsepower in the range of 155-170, and header widths to suit a variety of farming operations. Its simple design and ease of maintenance made it a dependable workhorse in the fields.

The John Deere 6300 was introduced in the late 1980s as part of John Deere's line of conventional combines, and remained in production through the early to mid-1990s. Powering this combine was typically a John Deere 6.8L (414 cu in) diesel engine, delivering between 155 and 170 horsepower, depending on the specific configuration. The 6300 utilized a conventional threshing system with a cylinder width of around 45 inches and a large concave area for effective grain separation. Grain tank capacity was approximately 170-190 bushels, with an unloading auger capable of rates around 50-60 bushels per minute. Available header widths ranged from 13-20 feet for grain platforms and 4-6 row corn heads. While chopper and spreader options varied, most models were equipped with a straw chopper to manage residue. The cab provided essential operator comfort and visibility, with controls for adjusting machine settings. The John Deere 6300 was well-suited for harvesting a variety of crops, including wheat, soybeans, and corn, thanks to its adjustable threshing and separation settings.

Specifications

Engine	John Deere 6.8L Diesel (155-170 HP)
Separator Type	Conventional - 45-inch Cylinder Width
Grain Tank	170-190 bushels
Unloading Rate	50-60 bu/min
Header Widths	13-20 ft (Grain), 4-6 Row (Corn)
Fuel Capacity	Unknown gallons
Weight	Unknown lbs
Years Produced	Late 1980s - Mid 1990s

Maintenance Tips

Concave Adjustment: Regularly check and adjust concave clearance according to the crop being harvested to optimize threshing performance and minimize grain damage.
Belt and Chain Tension: Inspect and maintain proper tension on all belts and chains to prevent slippage, wear, and potential breakdowns during harvest.
Sieve and Chaffer Cleaning: Clean sieves and chaffers regularly to ensure proper airflow and efficient grain separation, preventing losses and improving grain quality.
Bearing Greasing: Lubricate all grease fittings on bearings according to the manufacturer's recommendations to extend bearing life and prevent premature failure.

History & Background

The John Deere 6300 was a part of the John Deere lineup of conventional combines that served as a dependable option for farmers. It was introduced in the late 1980s and filled the need for a combine that offered reliability and solid performance for grain harvesting without the complexity of rotary systems. Although there were no radical redesigns during its production, it remained a trusted machine for many years.