Kobelco SL6000

Crawler Crane

The Kobelco SL6000 is a 550-ton class crawler crane that debuted in North America at CONEXPO-CON/AGG 2008. With three powerful configurations, including a super heavy-lift option and maximum boom lengths of up to 413 feet, the SL6000 delivers unmatched lifting versatility, transport efficiency, and on-site assembly ease for mega infrastructure and energy projects.

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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.

Product Description

Making its North American debut at CONEXPO-CON/AGG 2008, the Kobelco SL6000 entered the heavy-lift market as the company’s flagship 550-ton class crawler crane, designed for the most demanding construction and industrial applications. Sitting at the top of Kobelco’s crawler crane range, the SL6000 provides a modular and highly configurable lifting system suitable for energy, infrastructure, and offshore applications.

It is available in three core configurations:

Standard Crane Configuration:

276 ft (84.1 m) maximum standard main boom
354 ft (107.9 m) maximum long boom
Luffer configuration: 197 ft (60 m) main boom + 236 ft (72 m) luffing jib

Heavy Lift (HL) Configuration:

Same standard and long boom as above
Luffer configuration: 217 ft (66 m) main boom + 236 ft (72 m) luffing jib

Super Heavy Lift (SHL) Configuration:

Includes an HL Mast and an additional 551,400 lbs (250 t) of counterweight
413 ft (126 m) maximum long boom
Luffer configuration: 276 ft (84.1 m) boom + 276 ft (84.1 m) luffing jib

All boom and jib components are lattice-type, constructed from high-tensile steel and designed to nest for easier transportation.

The SL6000 is powered by a Tier III-compliant Hino E13C-UV diesel engine, rated at 429 hp (320 kW). Six variable-displacement hydraulic pumps deliver power to the hoisting, slewing, and travel systems with a maximum hydraulic pressure of 31.9 MPa. The main, auxiliary, and luffing jib winches are integrated into the lower boom and mast for balanced weight distribution and ease of transport.

Transport and Assembly Efficiency:

The carbody and upper-structure assembly, weighing 141,000 lbs, can be broken down further into 91,100 lbs (upper) and 49,900 lbs (carbody).
With the mast assembly removed, the upper-structure reduces to 70,600 lbs.
Crawler assemblies weigh 88,200 lbs each.
On-site assembly typically requires 2 to 4 days, aided by pre-reeved boom wire rope, quick-connect systems, and a modular counterweight setup.

The SL6000’s 1,082 sq ft (100.5 m²) footprint ensures stability during 360° lifting operations. The operator cab features all-around visibility, air conditioning, and tilt adjustment, supported by a modern LMI system and ergonomic controls for precise load handling.

Milestone Application:
Weldex was among the first to receive the SL6000 in Scotland, deploying it with a 48 m main boom and 30 m luffing jib to lift components for a 5 MW wind turbine. This high-profile lift occurred at the Beatrice Oil Field, 25 km off Scotland’s north coast, marking the crane’s use in offshore renewable energy applications.