Kobelco 7090G-2

Crawler Crane Specifications

• Maximum Lifting Capacity: The crawler crane can lift up to 90 tons at a minimum radius of 4.3 meters.
• Boom Length: The length of the boom varies between 13.8 meters and 62.6 meters.
• Jib Length: The jib length ranges from 9.1 meters to 21.3 meters.
• Maximum Combined Length of Boom and Jib: The combined maximum length is 74.7 meters (53.4m boom + 21.3m jib).
• Rope Speed: The main hoisting and auxiliary hoisting speeds are both adjustable from 120 meters per minute to 3 meters per minute.
• Boom Raising and Lowering Speed: It can raise and lower the boom at speeds ranging from 48 meters per minute to 2 meters per minute.
• Turning Speed: The crane has a turning speed of 3.2 rpm.
• Travel Speed: The crane can travel at speeds of 1.4 km/h or 1.0 km/h, depending on the setting.
• Operating Weight: The basic stance operating weight is 93 tons.
• Ground Pressure: The ground pressure exerted by the crawler crane is 95 kPa (0.97 kgf/cm²).
• Gradeability: It has a climbing ability of 40% (21.8 degrees).
• Rated Line Pull: The rated line pull is 108 kN (11 tons).

Luffing Tower Specifications

• Maximum Lifting Capacity: The luffing tower can lift up to 15 tons at a radius of 15.2 meters.
• Tower Length: The tower’s length ranges from 26.0 meters to 44.3 meters.
• Tower Jib Length: The length of the tower jib varies between 18.8 meters and 37.1 meters.
• Maximum Combined Length of Tower and Tower Jib: The combined maximum length is 81.4 meters (44.3m tower + 37.1m jib).
• Tower Jib Raising and Lowering Speed: The speed ranges from 60 meters per minute to 3 meters per minute.
• Operating Weight: The basic stance operating weight is 102 tons.
• Ground Pressure: The ground pressure exerted by the luffing tower is 104 kPa (1.06 kgf/cm²).

Engine Specifications

• Engine Model: Hino J08E-YD.
• Rated Output: The engine’s rated output is 213 kW at 2,100 rpm.

Wire Rope Specifications

• Main Hoist Diameter: The diameter of the wire rope for the main hoist is 26 mm.
• Auxiliary Hoist (Tower Jib) Diameter: The diameter of the wire rope for the auxiliary hoist (tower jib) is also 26 mm.
• Boom (Tower) Diameter: The diameter of the wire rope for the boom (tower) is 20 mm.

Key Features

• Variable boom and jib lengths to adapt to different lifting needs.
• Adjustable rope speeds with a broad range to accommodate various load sizes.
• High gradeability and suitable ground pressure for stability in diverse working conditions.
• The engine provides ample power for heavy-duty lifting operations.