Kobelco 7055

The Kobelco 7055 is a 55-ton hydraulic crawler crane with a maximum boom length of 51.82 meters and a total reach of 57.91 meters with jib. Built for efficient and precise lifting, it features a robust Mitsubishi diesel engine, powerful winches, and smooth hydraulic control. Its compact design and advanced safety systems make it ideal for a wide range of construction applications.

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*Crane Specifications, Load Charts, and Crane Manuals are for reference only. Contact the crane manufacturer for manuals to operate the crane properly.

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Product Description

The Kobelco 7055 crawler crane is a 55 metric ton class hydraulic crane engineered for reliable performance and efficient operation. It is powered by a 6-cylinder Mitsubishi 6D22C diesel engine rated at 180 PS (132 kW) at 2,000 rpm, delivering a maximum torque of 70 kgf·m at 1,200 rpm. This engine is coupled with a robust hydraulic system comprising two variable displacement pumps and one fixed pump, enabling smooth and responsive control of the load hoist, boom, and swing functions.

The crane is equipped with a four-section welded lattice boom that extends up to 51.82 meters, while an optional jib provides additional lifting height, bringing the maximum total reach to 57.91 meters. The main hoist features a powerful tandem drum system driven independently by hydraulic axial piston motors, offering hoisting speeds of up to 90 m/min. The system includes spring-set multiple-disc brakes and safety pawls for reliable holding and stopping.

The swing system provides full 360° rotation at up to 3.7 rpm and uses an axial piston motor with a planetary reducer and automatic brake. The undercarriage consists of a steel-welded carbody with independently driven crawler tracks, extendable side frames, and 59 shoes per side with a width of 760 mm. The crawler drive system enables a maximum travel speed of 1.6 km/h and excellent maneuverability with a 40% gradeability.

Operator comfort and safety are emphasized with a fully enclosed, full-vision cab fitted with safety glass, adjustable seating, wipers, and ergonomic control layout. The crane integrates standard safety features including load moment limiters, hook over-hoist limiters, and optional third hoist control.

Other specifications include a 15,700 kg two-piece counterweight, standard 22 mm wire ropes, and lifting capacities of up to 55 tons with 145 kN starting and 158 kN running line pull. With precise speed control, a tough winch, and efficient hydraulic design, the Kobelco 7055 is a proven solution for mid-range lifting operations across industrial and infrastructure projects.

1 review for Kobelco 7055

  1. Sewa Crane3

    we need crane capasity 65 ton
    crawler crane boom 75 feet
    hamid

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