Technical Description
The 2019 CATERPILLAR 14M3 Motor Grader is a high-performance machine designed for demanding grading applications. It features a standard 12 ft (144 in) moldboard, with optional 14 ft (168 in) and 16 ft (192 in) configurations, and a moldboard height of 24 in (up to 27 in available), thickness of 0.87 in (22 mm), and arc radius of 16.3 in (413 mm). Throat clearance is 6.5 in (166 mm), and maximum depth of cut reaches 30.5 in (775 mm). Blade pull at maximum gross vehicle weight is approximately 39,683 lb (18,000 kg), with a down force of 23,878 lb (10,831 kg). The machine offers front axle oscillation up to 15° and rear axle oscillation up to 22°, ensuring stability on uneven terrain. Base machine weight ranges from 33,250 lb to 34,839 lb (15,048 kg to 15,803 kg), with typical equipped weight up to 34,839 lb (15,803 kg). Front axle weight is about 8,893 lb (4,034 kg), and rear axle weight is 24,357 lb (11,444 kg). Ground clearance at the center of the frame is approximately 24 in (612 mm). Operating power ranges from 145 hp to 270 hp, depending on configuration. The grader has 8 forward and 6 reverse gears, moldboard side shift of 26 in (660 mm) right and 20 in (510 mm) left, and a maximum blade position angle of 40° forward and 5° backward. Wheel axle spacing between tandem axles is 60 in (1,523 mm), with front axle to mid tandem length around 234 in (5,945 mm) for non-AWD and 233 in (5,910 mm) for AWD. Front tire to rear of machine length is about 346 in (8,784 mm). Ripper maximum depth is 16 in (410 mm). Moldboard end bit width is 4.7 in (120 mm), and cutting edge width is 6 in (152 mm). Typical tire air pressure is 45 psi, with common tire sizes including 14-24, 16.00-24, and 17.5-25.
Technical Specifications
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