CATERPILLAR M322C CRAWLER EXCAVATOR

Technical Description

The Caterpillar M322C is a versatile wheel excavator engineered for mobile construction and material handling applications. Powered by a Cat 3056E DIT ATAAC diesel engine, it delivers 164 horsepower (122 kW) at 2000 rpm with 512.7 lb-ft of torque, featuring turbocharging and air-to-air aftercooling for enhanced performance and fuel efficiency. The machine operates at a maximum travel speed of 15.6 mph with hydrostatic transmission, offering excellent mobility across job sites while maintaining precise hydraulic control through its dual-pump system with load-sensing capabilities. The M322C accommodates four boom and stick configurations to optimize reach and digging force for diverse applications. Options range from maximum cutting heights of 31.3 to 35.2 feet and digging depths from 20 to 22 feet, with maximum ground reach extending to 33.9 feet. The excavator features interchangeable stick lengths and bucket capacities from 0.8 to 1.7 cubic yards, enabling adaptation to various material types and working conditions. Weighing 48,060 pounds in standard configuration, the M322C maintains a compact footprint with a wheelbase of 9.1 feet and overall width of 9.1 inches, expanding to 13 feet with outriggers deployed. The hydraulic system delivers 92 gallons per minute at 5,076 psi, providing fast cycle times and increased lifting capacity. Equipped with a 101.8-gallon fuel tank and 92.5-gallon hydraulic capacity, the machine supports extended operational periods. Advanced features include adjustable hydraulic sensitivity for precision work, automatic engine control for fuel economy, and accessible ground-level maintenance points through gull-wing doors, making the M322C ideal for versatile excavation and loading operations.