KOMATSU PC128US-1 CRAWLER EXCAVATOR

Technical Description

The Komatsu PC128US-1 hydraulic excavator is a versatile construction machine designed for efficient mid-sized earthmoving operations. It features a maximum cutting height of 30.6 ft, a max digging depth of 17.9 ft, and a max reach along the ground of 26.6 ft, enabling substantial excavation capability. The max loading height is 23 ft, and vertical wall digging depth reaches 16 ft, suitable for diverse excavation tasks. The excavator’s bucket capacity ranges from 0.5 to 0.9 cubic yards with a reference capacity of 0.6 cubic yards, offering flexibility for material handling. In terms of dimensions, the unit’s shipping height and top of cab height are both 9.2 ft, with a shipping length of 25.8 ft and a track width of 8.1 ft. It maintains a ground clearance of 1.4 ft, a tail swing radius of 4.9 ft, and a track gauge of 6.5 ft, allowing for maneuverability in confined spaces. The length of the track on the ground measures 9.1 ft, and removal counterweight clearance is 3 ft. Powered by a Komatsu S4D102E engine, the PC128US-1 delivers 85.9 hp at 2200 rpm from a 239.3 cu in displacement, ensuring robust performance. The fuel capacity is 35.7 gallons with a hydraulic system fluid capacity of 32.3 gallons and a hydraulic pump flow capacity of 59.8 gpm under a system relief pressure of 5050 psi. It swings at 12 rpm and travels up to 31.7 mph with a ground pressure of only 6 psi. The shoe size measures 19.7 inches, consistent with a stable undercarriage suitable for various terrain types. The operating weight is approximately 28,000 lbs, balancing power and mobility for a wide range of excavation applications.