CATERPILLAR 14H MOTOR GRADERS

Technical Description

The Caterpillar 14H Motor Grader is a heavy-duty machine designed for earthmoving and grading applications, featuring a powerful six-cylinder Caterpillar 3306 turbocharged and aftercooled diesel engine delivering 215 to 240 horsepower at 2000 rpm. It offers a 14-foot wide moldboard with a blade height of 27.1 inches and thickness of 1 inch, capable of a maximum cut depth of 17.3 inches, with blade tip angles of 40° forward and 5° rearward. The moldboard side shift range is 25.6 inches left and 31.1 inches right, with a maximum lift above ground of 16.5 inches. The circle diameter is 71.8 inches, allowing for precise blade positioning with a left shift of 25.5 inches and right shift of 20.5 inches. This model features an axial piston hydraulic pump with a relief valve pressure of 3500 psi and a hydraulic flow of approximately 64 gallons per minute, supporting consistent blade control and implement functions. Structurally, the grader has a front ground clearance of 2.2 feet, rear clearance of 1.3 feet, and overall wheelbase of 21.2 feet. The operating weight is around 41,410 to 44,000 lbs, with a max operating weight up to 58,509 lbs distributed across front and rear axles. The transmission is a direct drive, power shift planetary design with eight forward and eight reverse gears, reaching speeds up to 26.6 mph forward and 29.4 mph reverse. Steering articulation is 20 degrees with a turning radius of approximately 26 feet. The machine’s electrical system operates at 24 volts with a 50-amp alternator. Tires are typically 16-24 12PR (G-2) for heavy traction and durability. This motor grader provides rugged construction, efficient powertrain, and precise hydraulic controls optimized for grading productivity and reliability.