Crane refurbishment program extends heavy lifting equipment lifecycle

Manitowoc refurbishment project in Turkey shows how structured rebuild programs support asset lifecycle management in steel production and heavy industrial logistics.  www.manitowoc.com Lifecycle extension strategies are becoming increasingly relevant in heavy equipment fleets, where rebuild programs can help maintain lifting performance while reducing capital expenditure. In this context, Manitowoc completed the refurbishment of a Grove GMK4100 all-terrain crane through its EnCORE™ rebuild program. Rebuild program targets lifecycle extension in industrial crane fleets The refurbishment was carried out for Turkish steel producer İÇDAŞ, where the all-terrain crane is used for material handling and maintenance operations typical of heavy industry environments such as steel production and industrial logistics. The project was executed by Karun, the authorized dealer and service partner for Grove mobile cranes and Manitowoc crawler cranes in Turkey, at its EnCORE™-certified rebuild facility in Ankara. The rebuild process followed original equipment manufacturer (OEM) specifications using Manitowoc-certified components, aligning with asset lifecycle management practices commonly used in heavy equipment maintenance strategies. Originally commissioned more than 17 years ago, the Grove GMK4100 underwent a rebuild intended to restore operating parameters to original engineering tolerances while maintaining compatibility with existing fleet maintenance programs. Full mechanical and structural overhaul restores original specifications The rebuild process, which began in May 2024, involved mechanical, hydraulic, electrical and structural refurbishment. Work included replacement of electrical harnesses and critical system components, along with complete renewal of hydraulic and pneumatic hose systems to maintain pressure stability and reduce leakage risks. The crane’s telescopic boom assembly was fully dismantled, including the telescopic cylinder and all five boom sections. Worn structural elements were replaced, while locking mechanisms were inspected and updated to maintain lifting safety tolerances. Additional work included installation of a new slewing bearing and replacement of the superstructure cab. Major drivetrain and motion components, including planetary gears and hydraulic subsystems, were also replaced. The overhaul additionally incorporated a scheduled 1,000-hour service interval procedure, aligning the crane with standard preventive maintenance cycles used in mobile crane fleets. Following the rebuild, the crane received a full repaint with TÜV-certified decals and underwent functional verification procedures, including load testing and boom extension performance tests to confirm compliance with operational specifications. Refurbishment capacity expansion for additional crane platforms Following completion of the GMK4100 project, Karun scheduled a similar EnCORE™ rebuild for a Grove RT550E rough-terrain crane. The company also indicated plans to extend refurbishment support to a broader installed base of Grove mobile cranes and Manitowoc crawler cranes operating in the region. Structured rebuild programs such as EnCORE™ reflect a broader industry focus on lifecycle optimization, where refurbishment offers an alternative to full equipment replacement while maintaining performance benchmarks defined by OEM standards. Edited by industrial journalist Aishwarya Mambet, with AI-assistance. www.manitowoc.com Powered by Induportals Media Publishing