DEERE 770BH MOTOR GRADERS

Technical Description

The 1992 John Deere 770BH Motor Grader is a robust production-class machine designed for demanding grading applications. Powered by a 6-cylinder diesel engine delivering 155 horsepower, it features a direct drive planetary power shift transmission with 8 forward and 4 reverse speeds, ensuring smooth and efficient operation. The grader has a standard operating weight of 31,300 lbs, providing excellent stability and traction. Its 14-foot moldboard offers extensive grading capability, while the articulated frame with all-hydraulic power articulation enables precise maneuverability and control. The machine is equipped with a closed center variable displacement hydraulic system, supporting a range of attachments and auxiliary functions. With a maximum forward speed of 25 mph and a reverse speed of 9 mph, the 770BH balances productivity and versatility. The operator cab is designed for comfort and visibility, and the grader includes features such as a front scarifier and snow wing for enhanced versatility. The machine has accumulated 24,493 operating hours, reflecting its extensive use and proven durability. The 770BH’s dimensions include an overall length of approximately 28 feet, a wheelbase of 20 feet, and a tandem axle wheelbase of 5 feet. The grader’s hydraulic system provides a pump flow of 52 gpm, supporting efficient blade and attachment operation. This model is well-suited for heavy-duty grading, road maintenance, and construction tasks, offering reliable performance and operator comfort.