KOMATSU PC220LC-6 CRAWLER EXCAVATOR

Technical Description

The Komatsu PC220LC-6 is a mid-size hydraulic crawler excavator engineered for versatile construction and excavation applications. Powered by a Komatsu SA6D102E diesel engine, this machine delivers 158.3 net horsepower at 2100 RPM, with a displacement of 358.9 cubic inches, providing robust performance for demanding jobsite conditions. The excavator features a two-pump hydraulic system with a flow capacity of 114.2 gallons per minute and a relief valve pressure of 5050 psi, enabling smooth compound movements and efficient power utilization. With an operating weight of 51,764.6 pounds and track gauge of 8.5 feet, the PC220LC-6 maintains a low ground pressure of 5.7 psi, minimizing ground disturbance. The machine offers four boom and stick configurations, with maximum digging depths ranging from 19.3 to 24.2 feet and maximum cutting heights from 29.8 to 31.6 feet, accommodating varied operational requirements. Standard bucket capacities range from 1.0 to 1.7 cubic yards, with a reference capacity of 1.4 cubic yards for typical applications. The swing mechanism operates at 12.4 rpm, while the undercarriage features 27.6-inch triple-grouser shoes and a maximum travel speed of 3.5 mph. Transport dimensions are 32.1-32.3 feet in length and 10.3-10.8 feet in height, depending on boom configuration. The fuel tank capacity of 89.9 gallons supports extended operational periods, while the hydraulic fluid capacity of 43.9 gallons ensures system efficiency and component protection.