Kobelco CK2500

The Kobelco CK2500 is a 250 US ton capacity fully revolving crawler crane, engineered for heavy lifting in infrastructure, energy, and industrial projects. With a maximum boom length of 91.44 metres and optional jib extensions, the CK2500 combines high performance with mobility and transport convenience. It features a robust Mitsubishi 6D24-TLAF diesel engine, multiple winches, smooth hydraulic operation, and self-removal capability for easy site setup and dismantling.

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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 CK2500 is a 250 US ton (approximately 250 metric tonnes) class fully revolving crawler crane, purpose-built to deliver robust lifting performance, ease of transport, and reliable operation in heavy-duty applications such as infrastructure, petrochemical, and energy construction.

Originally launched in 2000 as an upgraded version of the 200-ton rated Kobelco 7200, the CK2500 was specifically tailored for the U.S. market, where it saw successful deployment with 15 units delivered in its first year. Due to its performance and popularity, the crane was later harmonized for use in all markets outside Japan and received a European rating of 250 tonnes.

Kobelco showcased the CK2500 at Bauma 2001 in Munich, finished in the livery of Mammoet Van Seumeren, where it was displayed with a 60 m main boom and a full 51.8 m luffing jib. In this configuration, it was capable of lifting 17.2 tonnes at a 19.8 m radius, demonstrating its superior lifting capabilities in long-reach applications.

From a technical standpoint, the CK2500 supports a maximum boom length of 91.4 metres, and can be paired with an optional jib up to 30.5 metres long, offering impressive lifting heights and working radii. The base boom measures 15.24 metres, with intermediate sections and tip sections contributing to a highly configurable boom system using high-tensile steel and pin-connected lattice construction.

Powering the crane is a Mitsubishi 6D24-TLAF diesel engine, producing 316 HP (235 kW) at 2,000 rpm, and supported by a 400-litre fuel tank. The drive system is built for reliable operation in demanding environments, with independent hydraulic propulsion in each crawler and sealed track rollers for low maintenance.

The hoisting system includes dual front and rear winches, each capable of 110 m/min line speed, and a boom hoist winch delivering 52 m/min. The rated single-line pull is 13,380 kg (132 kN), while the maximum is up to 24,950 kg (245 kN). For added safety and operational efficiency, the CK2500 includes Kobelco’s full-flow hydraulic control, electronic monitoring, and an ergonomically designed operator cab with full visibility, air conditioning, auxiliary controls, and integrated gauges.

For transport, the crane features a Trans-Lifter system that enables quick removal and reattachment of the crawler side frames. This, along with a compact transport width and clever disassembly features, ensures that the CK2500 remains job-site efficient despite its massive capacity.

With a combination of reliable engineering, strong lifting capacities, and operational flexibility, the Kobelco CK2500 continues to be a standout model in the 250-ton crawler crane class.

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