Crawler Crane

Kobelco 7090G-2

The Kobelco 7090G-2 crane offers a max lifting capacity of 90 tons at 4.3 meters for the crawler crane mode, and 15 tons at 15.2 meters for the luffing tower mode. It features an extensive range of boom and jib lengths, allowing for varied configurations. The engine is a Hino J08E-YD with 213 kW power. Wire rope diameters are 26 mm for the main and auxiliary winches, and 20 mm for the boom, indicating robust operation capabilities. Speeds vary under light load, showcasing the crane’s adaptability.

Downloads

Available Downloads:

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

Related Models

Product Description

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.