CATERPILLAR 12M3 AWD MOTOR GRADERS

Technical Description

The 2017 Caterpillar 12M3 AWD Motor Grader is a heavy-duty earthmoving machine powered by a Cat C9.3 diesel engine delivering 176 net horsepower. It features a 6-forward/3-reverse transmission with a variable piston hydraulic pump producing 3,515 psi output pressure. The grader measures 345.8 inches from front axle to rear, with maximum operating height of 153.1 inches. Its 12-foot moldboard, measuring 24 inches in height and 7/8-inch thickness, achieves maximum cutting depths of 28.9 inches and lift heights of 18.9 inches above ground. The moldboard offers 26.1-inch left and 20.3-inch right sideshift capability with 40-degree maximum forward blade angle. Steering provides 47.5-degree front wheel angles and 20-degree frame articulation. The machine features 18-degree front axle lean, 15-degree front oscillation, and 22-degree rear oscillation for superior terrain conformance. Mounted on 17.5R25 tires with approximately 70% remaining tread life on 14×25 multi-piece rims, it maintains 24.1-inch ground clearance at center. The AWD configuration provides enhanced traction and stability. Width measurements span 95.5 inches outside rear tires, with the complete machine stretching 385 inches from push plate to raised ripper. This configuration delivers robust performance for road construction, maintenance, and grading operations with reliable hydraulic systems rated at approximately 3,500 psi.