The John Deere 672B Motor Grader is a robust, articulated-frame machine designed for heavy-duty grading and road maintenance. It features a 6-cylinder, turbocharged 6414T engine with 414 cu in displacement, delivering 135 hp at 2300 rpm and 400 lb-ft of torque at 1300 rpm. The planetary power shift transmission provides 8 forward and 4 reverse gears, with a maximum forward speed of 24.4 mph and reverse speed of 8.2 mph. The articulated steering system allows a 25-degree articulation angle and a 22.6 ft turning radius for excellent maneuverability. The machine measures 27.3 ft in length, 7.9 ft in width, and has a wheelbase of 19.6 ft, with a tandem axle wheelbase of 5.1 ft. The front ground clearance is 1.9 ft, and the height to the top of the Isomount cab is 10.1 ft. The circle offers 360-degree rotation, a 57.9 in diameter, and a blade tip angle of 44 degrees front and 10 degrees rear, with a max lift of 19.1 in and side shifts of 28.6 in left and 27.1 in right. The moldboard is 12 ft wide, 24 in high, and 0.9 in thick. The hydraulic system uses a closed center variable displacement pump with a flow of 37.6 gpm. Standard operating weight is 28,100 lbs, with a maximum of 32,330 lbs. The 672B is equipped with a 70 gal fuel tank, 14 gal hydraulic fluid capacity, and 24V electrical system.