CATERPILLAR 320B CRAWLER EXCAVATORS

Technical Description

The Caterpillar 320B is a robust medium hydraulic excavator engineered for demanding construction and excavation tasks. This model features a Cat 3066T Diesel Engine, delivering 128 horsepower (95 kW) at 1800 rpm, with a displacement of 389 cubic inches and a turbocharged aspiration for reliable performance. The hydraulic system is equipped with a boom cylinder bore of 5 inches and a stroke of 50 inches, supporting powerful digging and lifting operations. Maximum hydraulic pressures reach 4980 psi for equipment and travel, and 3340 psi for swing, ensuring efficient operation under heavy loads. The excavator offers a range of boom and stick configurations, with maximum cutting heights up to 32 feet, digging depths up to 24.9 feet, and maximum reach along the ground up to 34.9 feet, providing versatility for various job site requirements. Bucket capacities range from 0.5 to 2 cubic yards, with a reference capacity of 1.2 cubic yards. The standard operating weight is 42,770 lbs, with a maximum drawbar pull of 39,800 lbs and a top travel speed of 3.5 mph. The undercarriage features a 23.7-inch shoe size and a 7.3-foot track gauge for stability. The machine’s dimensions include a length of 31 feet, a width of 9.2 feet, and a height to the top of the cab of 9.7 feet, making it suitable for a wide range of transport and operational scenarios.