CATERPILLAR 231D CRAWLER EXCAVATOR

Technical Description

The Caterpillar 231D hydraulic excavator is a heavy-duty machine designed for efficient digging, loading, and material handling in construction and mining applications. It is powered by a robust 634.7 cubic inch displacement Caterpillar 3208 engine delivering 200 hp (149 kW), ensuring strong performance and reliability. The excavator operates with a hydraulic pump flow capacity of 121 gallons per minute and a hydraulic system relief valve pressure of 4800 psi, providing powerful and precise hydraulic control for various boom and stick configurations. Two boom/stick options are available for the 231D, affecting its reach and depth capabilities. Option 1 features a maximum cutting height of 33.1 ft, a maximum digging depth of 22.8 ft, loading height of 23.5 ft, reach along the ground of 35 ft, and vertical wall digging depth of 17.4 ft. Option 2 offers increased reach with a max cutting height of 34 ft, digging depth of 24.8 ft, loading height of 24.3 ft, reach along the ground of 36.8 ft, and vertical wall digging depth of 20.2 ft. Its operating weight is approximately 77,603 lbs, providing stability during operations, with a ground clearance of 2 ft and a height to top of cab of 11.1 ft. The undercarriage specifications include an 11.4 ft width to outside tracks, 8.7 ft track gauge, 32.1 in shoe size, drawbar pull of 67,443 lbs, ground pressure of 8.7 psi, and a maximum travel speed of 3.5 mph. The 231D is equipped with a 105.7-gallon fuel capacity, supporting extended operation cycles on site. This versatile excavator integrates strong digging and lifting capabilities with compact dimensions suited for various terrains and job sites, making it a reliable choice for heavy excavation tasks.