CHAMPION 740A MOTOR GRADERS

Technical Description

The Champion 740A Motor Grader is an articulated, heavy-duty grading machine featuring a turbocharged M11 engine with a displacement of 659.1 cubic inches, delivering a gross horsepower of 225 hp and net power of 210 hp at 2100 rpm. It comprises a six-cylinder configuration optimized for torque at 1300 rpm. The machine’s overall dimensions include a length of 28.4 ft, width of 8.4 ft, height with cab of 11.2 ft, and a wheelbase of 20.5 ft, supporting a total operating weight of approximately 35,330 lbs with a front axle weight of 10,480 lbs and rear axle weight of 24,850 lbs. The grader’s moldboard measures 12.1 ft in width, 29.1 in in height, and 1 in thick, with a maximum blade cutting depth of 2.5 ft and ground clearance of 1.5 ft. The blade features front and rear tip angles of 48° and 2.5° respectively and offers 360° circle rotation with 26 in left and 24.1 in right shift. The hydraulic system pumps fluid at 48.3 gpm with relief pressure rated at 2500 psi, facilitating the blade’s lifting capability of 20 in above ground. Designed with a front axle ground clearance of 2.1 ft and 16° total oscillation complementing an 18° wheel lean, the 740A ensures maneuverability with a 22° articulation angle and 25.7 ft turning radius. The powershift transmission supports speeds up to 26.6 mph forward and 19.3 mph in reverse. Fluid capacities include 100 gallons for fuel, 23.8 gallons for hydraulic fluid, and 10.4 gallons for engine oil. Tire size is 14.00-24, G-2. This combination of specifications underscores the 740A’s robust capability for grading and earthmoving operations.