CATERPILLAR M322D CRAWLER EXCAVATORS

Technical Description

The Caterpillar M322D is a high-performance wheel excavator engineered for versatility and productivity in demanding construction and excavation environments. Powered by a Cat C6.6 ACERT™ engine, it delivers 173 hp (129 kW) gross and 165 hp (123 kW) net power at 2,000 rpm, with a maximum torque of 553 lb-ft at 1,400 rpm. The six-cylinder engine meets Tier 3 emission standards and features advanced electronic controls for optimal fuel efficiency and reliability. The hydraulic system provides a maximum flow of 92 gpm to the implement/travel circuit, with a normal pressure of 5,076 psi and heavy lift pressure up to 5,439 psi, ensuring strong digging and lifting performance. The excavator offers a maximum travel speed of 16 mph (26 km/h) with two forward and two reverse gears, plus creeper speeds for precise maneuvering. The swing mechanism delivers 9 rpm and 41,303 lb-ft of torque, supporting smooth and powerful rotation. Standard tire size is 11.00-20 dual pneumatic, with optional solid rubber tires. The M322D features a variable adjustable (VA) boom and multiple stick options, providing maximum flexibility for a wide range of applications. Working ranges include a maximum digging depth of 22 ft and a maximum reach along the ground of 33.9 ft. The machine’s operating weight ranges up to 49,604 lbs, with a fuel capacity of 102 gallons. The cab offers excellent visibility and operator comfort, while the robust undercarriage and oscillating axle ensure stability and maneuverability on varied terrain.