Technical Description
The Komatsu PC750LC-6 is a heavy-duty hydraulic excavator powered by a turbocharged 6-cylinder Komatsu SAA6D140E-3 diesel engine producing 444 hp (336 kW) at 1800 rpm, delivering high performance with fuel efficiency and emissions compliance. It has an operating weight of approximately 178,000 lbs (81,000 kg), providing excellent stability and strength for demanding excavation tasks. The machine features a robust hydraulic system with a pump flow capacity of 268.2 gpm and a relief valve pressure of 4550 psi, enabling powerful boom and arm operations.
Equipped with multiple boom and stick configurations, the PC750LC-6 offers versatile reach and digging depths, including a maximum digging depth of up to 31 ft, maximum cutting heights near 39.8 ft, max reach along ground up to 46.7 ft, and vertical wall digging depths up to 23.9 ft depending on configuration. The arm crowd force ranges from approximately 64,000 to over 74,000 lbs-ft, and the loading shovel arm crowd force reaches over 99,000 lbs-ft, ensuring strong digging and loading capabilities.
Dimensions include an overall length of about 46 ft, width to outside tracks around 14.2 ft, height to top of cab approximately 11.6 ft, and ground clearance near 2.8 ft. The undercarriage features track shoes in widths from 28 to 39.8 inches, supporting ground pressures from 11.6 to 14.6 psi and providing stable operation on various terrains.
Additional features include a multi-speed hydrostatic travel system with a max travel speed of 2.7 mph, 8 lower track rollers, 4.5 ft upper structure ground clearance, 14.2 ft tail swing radius, and operator safety with EROPS cab and digital safety monitoring. The bucket capacity references about 4.1 cubic yards for effective material handling. Fuel capacity is 232.5 gallons, hydraulic fluid capacity at 116.3 gallons, and cooling system fluid capacity at 22.5 gallons. This combination of power, reach, hydraulic capacity, and operator comfort makes the Komatsu PC750LC-6 a versatile and reliable choice for heavy excavation and loading operations.
