JOHN DEERE 670GP MOTOR GRADERS

Technical Description

The 2023 John Deere 670GP Motor Grader is a high-performance machine engineered for precision grading and demanding site preparation. It features a 14 ft blade length and a robust 12.5 L (763 in³) engine delivering 238–285 hp (178–213 kW) of net power, with a maximum torque rise of 41% and a rated engine speed of 1850 rpm. The grader is equipped with an 8-speed forward and 6-speed reverse transmission, providing versatile speed control for various applications. Its hydraulic system operates at approximately 24,150 kPa (3500 psi) with a variable piston pump, ensuring responsive and efficient blade control. The 14 ft moldboard has a 2 in (50 mm) beam thickness, a maximum cut depth of 28.9 in (735 mm), and a lift height of 18.9 in (480 mm), with a blade height ranging from 25–27 in (635–682 mm). The circle offers 360° rotation, and the tandem oscillation allows for front up 15° and rear up 22° movement. The machine has a base weight of approximately 33,250 lb (15,083 kg) and a typical equipped weight of 34,839 lb (15,803 kg), with a ground clearance of 24.1 in (612 mm). The front axle lean steering angle is 18° left and right, and the operator's cab includes rollover protection and ergonomic controls for advanced grade control and steering assistance systems. The grader is designed to operate in ambient temperatures up to 122°F (50°C), with a fuel tank capacity of about 23.5 gal (89 L) and a tandem housing capacity of 26.4 gal (100 L).