50 ton tadano crane manufacturers

When evaluating a 50-ton capacity crane, you must prioritize the Load Chart accuracy and Boom Length (typically 35m to 40m). Ensure the hydraulic systems are leak-free and that the AML (Automatic Moment Limiter) system is fully functional, as this is critical for operational safety. For used units, verify the engine hours and mileage to assess remaining service life.

The crane must adhere to ISO 9001 for manufacturing quality and CE Marking if destined for the European market. For the US, OSHA compliance and ANSI/ASME B30.5 standards are vital. Always request the Original Certificate of Conformity and a recent Third-Party Inspection Report (e.g., SGS or BV) to ensure the machinery meets safety regulations.

Focus on the Main Boom sections for any signs of welding repairs or cracks. Check the Slewing Bearing for smooth rotation without excessive play. It is essential to perform a Load Test at 110% of rated capacity to validate hydraulic pressure stability and structural rigidity. Request a video of the crane in full operation, including outrigger extension and winch speed tests.

Regular maintenance should include hydraulic oil filtration, lubrication of the telescopic boom wear pads, and inspection of the wire ropes for fraying. Tadano cranes benefit from genuine spare parts; therefore, confirm if the supplier can provide a long-term wear-parts kit (filters, seals, and sensors) with the initial purchase.

The biggest risks include hidden mechanical defects and non-compliance with local road regulations. To mitigate this, use Escrow payment services or Letters of Credit (L/C) to ensure funds are only released upon verification of shipping documents. Always source from Audited Suppliers on Made-in-China.com to ensure the company's physical existence and export license validity.

Due to the dimensions and weight, RO-RO (Roll-on/Roll-off) shipping is the safest and most common method. If the crane is dismantled, Flat Rack containers can be used. Ensure the supplier provides Marine Insurance covering 'All Risks' and clearly defines the Incoterms (preferably CIF or DAP) to avoid unexpected port handling charges.

Negotiations should not just focus on the unit price, but also on after-sales technical support and the inclusion of spare parts. Ask for a warranty period of at least 6-12 months on major components (engine, pump, valve). For bulk orders or repeat business, aim for a 5-10% discount or free shipping insurance.

You will need the Commercial Invoice, Packing List, Bill of Lading, and a Certificate of Origin. Specifically for cranes, a Technical Data Sheet and Engine Emission Standard Certificate (e.g., EPA or Euro 5) are often required by customs to permit entry into the destination country.