DEERE 570B MOTOR GRADERS

Technical Description

The 1989 John Deere 570B Motor Grader is a robust, high-performance machine engineered for precision grading and heavy-duty earthmoving tasks. Featuring a 12.25 ft moldboard with a 24 in height and 0.87 in thickness, it delivers exceptional material handling and durability. The moldboard’s arc radius is 16.3 in, with a throat clearance of 6.5 in and end bit width of 6 in, supporting efficient cutting and shaping. Maximum depth of cut reaches 30.5 in, while the blade offers a forward tip angle up to 40° and backward up to 5°, with 26.1 in left and 20.2 in right side shift, and full 360° rotation for maximum versatility. The front axle oscillates 15°, rear axle 22°, and the frame steering angle is 20°, with a maximum steering angle of 47.5° and front axle lean of 18°, ensuring superior maneuverability. Ground clearance is 24.1 in at center and 13.3 in at rear axle. Powered by a 6-cylinder, 567.5 in³ engine producing 179 hp at 2,000 rpm and 840 lb/ft torque, it features a power shift transmission with 8 forward and 6 reverse gears, top speeds of 25.5 mph forward and 24.8 mph reverse. Base machine weight is 35,067 lb, with a typically equipped weight of 34,839 lb. Hydraulic system pressure is 3,500 psi, pump output 55.7 gal/min, and the alternator delivers 150 amps at 24V. The engine is rated for ambient temperatures up to 122°F and derating at 10,000 ft altitude.