KOBELCO 70SR CRAWLER EXCAVATOR

Technical Description

The Kobelco 70SR is a compact, short rear swing crawler excavator engineered for maximum productivity in confined spaces. Designed for versatility, it features a standard operating weight of 16,400 lbs and a net engine power of 54 hp (40 kW) delivered by a 4-cylinder A-4JB1 engine operating at 2,100 rpm. The hydraulic system is equipped with a variable displacement pump, providing a flow capacity of 53 gpm and a relief valve pressure of 4,250 psi, ensuring robust performance for demanding excavation tasks. The excavator boasts a maximum bucket capacity of 0.6 cu yd, with a reference bucket capacity of 0.3 cu yd, and offers a choice of bucket sizes to suit various applications. Key dimensions include a max cutting height of 24.7 ft, max digging depth of 14.9 ft, max loading height of 17.9 ft, and a max reach along the ground of 21.6 ft. The machine’s compact design is highlighted by a tail swing radius of 3.9 ft and a width to the outside of tracks of 8.2 ft, making it ideal for tight urban or residential sites. The undercarriage delivers a drawbar pull of 15,500 lbs, ground pressure of 3.4 psi, and a max travel speed of 3.4 mph (5 kph), with a 23.7 in shoe size and a 6.2 ft track gauge for stability and traction. The swing mechanism provides a swing speed of 12.5 rpm and a swing torque of 14,060 lbs ft. Additional features include a 22.5 gal fuel capacity, 24 gal hydraulic fluid capacity, and a 24-volt electrical system with a 30-amp alternator. The Kobelco 70SR combines reliability, efficiency, and maneuverability for a wide range of excavation projects.