CATERPILLAR M322 CRAWLER EXCAVATOR

Technical Description

The Caterpillar M322 wheeled excavator is powered by a robust Cat C7.1 engine delivering a net power of 164 hp (122 kW), meeting U.S. EPA Tier 4 Final and EU Stage V emission standards. It features a 7.0 L displacement engine with turbocharged and aftercooled technology for efficient fuel consumption and stable performance at rated speeds of 2,200 rpm. The machine’s operating weight is approximately 50,045 lbs (22,700 kg), depending on configuration and equipped with a full fuel tank, operator, GD bucket, and dual pneumatic tires. The M322 offers excellent mobility with a maximum travel speed up to 30 km/h (18.6 mph) in second gear and a creeper speed option for precision work. Hydraulically, the excavator boasts a main system maximum flow of 360 L/min and a maximum pressure of 37,000 kPa for heavy lift operations. Its swing mechanism provides a swing speed of 8.6 rpm with standard swing torque of 60 kN·m, allowing smooth and precise rotational movements. The excavator’s boom and stick dimensions typically consist of a 5.4 m boom and a 2.9 m stick, supporting a bucket capacity of up to 1.3 m³ (1.7 yd³) to handle substantial digging and loading tasks. The M322 includes advanced operator features such as a high-resolution touchscreen monitor, keyless push-button engine start with Bluetooth key fob access, and multiple engine modes including economy and power for optimized fuel efficiency and performance. Additional attributes include a high-ambient cooling capacity of 52°C, cold start capability to -18°C, and remote flash/troubleshoot functionality. The cab is designed for operator comfort and productivity with tilt rotator compatibility and Bluetooth connectivity, making the M322 a versatile, durable, and efficient wheeled excavator for a range of construction applications.