Gleaner R42 Combine Parts
The Gleaner R42 combine, manufactured from 1986 to 1992, was a popular choice for farmers needing a reliable and efficient machine. Powered by a dependable diesel engine offering around 170 horsepower, the R42 could handle a variety of header widths to suit different field sizes and crop types. Its conventional threshing and separation system proved effective in harvesting wheat, soybeans, corn, and other grains, earning it a reputation for simplicity and durability.
The Gleaner R42 combine harvester was produced from 1986 to 1992, building upon Gleaner's legacy of innovation in harvesting technology. It was equipped with an Allis-Chalmers 6.8L 426 cubic inch turbocharged diesel engine, delivering approximately 170 horsepower. The R42 utilized a conventional cylinder and concave threshing system, known for its gentle grain handling and suitability for various crops. Grain tank capacity was around 200 bushels, with an unloading auger capable of discharging grain at a rate of approximately 60-80 bushels per minute. Available header widths ranged from 13 to 25 feet for grain platforms and up to 6-row corn heads. Options included a straw chopper or spreader for residue management. The cab offered basic operator comfort and controls, focusing on functionality and ease of use. The R42 was particularly well-suited for harvesting wheat, soybeans, and corn, and was known for its reliability in diverse field conditions.
Specifications
| Engine | Allis-Chalmers 426 Turbo Diesel |
|---|---|
| Separator Type | Conventional - 40 inch wide cylinder |
| Grain Tank | 200 bushels |
| Unloading Rate | 60-80 bu/min |
| Header Widths | 13-25 ft |
| Fuel Capacity | 85 gallons |
| Weight | 16,500 lbs |
| Years Produced | 1986-1992 |
Maintenance Tips
- Concave Adjustment: Regularly check and adjust concave clearance according to the crop being harvested to ensure proper threshing and minimize grain damage.
- Belt and Chain Tension: Inspect belt and chain tension frequently, especially during the initial hours of operation, to prevent slippage and premature wear.
- Sieve and Chaffer Cleaning: Clean the sieves and chaffer screens regularly to maintain optimal airflow and prevent grain loss over the back.
- Bearing Greasing: Follow the recommended greasing schedule for all bearings to ensure smooth operation and extend their lifespan.
History & Background
The Gleaner R42 was introduced in 1986 as part of the R series, representing an evolution of Gleaner's conventional combine design. While not a radical departure from previous models, it offered improvements in engine performance and operator comfort. The R42 maintained Gleaner's reputation for transverse flow and efficient grain separation, contributing to its enduring popularity among farmers.
Frequently Asked Questions
What engine is in the Gleaner R42?
The Gleaner R42 is equipped with an Allis-Chalmers 426 cubic inch (6.8L) turbocharged diesel engine, producing approximately 170 horsepower.
What is the grain tank capacity on a R42?
The grain tank capacity of the Gleaner R42 is approximately 200 bushels, with an unloading rate of around 60-80 bushels per minute.
What type of separator does the R42 have?
The Gleaner R42 uses a conventional threshing system with a 40-inch wide cylinder and concave. This system provides gentle grain handling and is suitable for a variety of crops.
What are common parts needed for the R42?
Common wear parts for the Gleaner R42 include concaves, rasp bars, belts, chains, bearings, auger fingers, and sickle sections for the header.

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