Building Crawler Cranes In Japan - Kobelco Massive Machines Factory 🇯🇵

Inside Kobelco’s Okubo Factory – How Japan Builds the World’s Biggest Cranes 🏗️
Take an exclusive look inside Kobelco’s Okubo Factory in Japan, the company’s global hub for crawler cranes production. This is where some of the world’s biggest and most advanced cranes are designed, built, and tested before being shipped to customers worldwide.

In this documentary-style video, we explore every step of the process:

Fabrication & Machining – welding and machining steel plates and tubes into the main structures like booms and frames.

Assembly – sub-assemblies of engines and winches combined with the upper structure and undercarriage to form the crane’s body.

Painting – a two-stage process with primer and top-coat lines, applying both standard and customer-specified colors.

Testing – rigorous checks, including lifting trials, to ensure safety, durability, and performance.

Shipping – final installation of equipment, decals, and pre-shipment inspections before delivery worldwide.

With over 60 years of history, the Okubo Plant remains Kobelco’s flagship for innovation and precision in heavy machinery. Every crane that leaves its gates represents Japanese craftsmanship, engineering excellence, and a commitment to quality.

👉 Watch now to see how Kobelco builds the machines that power some of the biggest construction projects on earth.

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