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How to Inspect and Purchase Used Construction Machinery from China

China is the world's largest market for used construction machinery, with an estimated 120,000+ units exported annually (2025 data: CCMA). SANY, XCMG, LiuGong, and Zoomlion dominate the secondary market, offering significant savings—typically 35-55% below replacement cost. However, the inspection gap between an informed buyer and a costly mistake is wide.

Pre-Purchase Due Diligence

Before traveling or wiring funds:

  1. **Machine identification:** Confirm the VIN/SIN plate matches the registration certificate. Cross-check with the manufacturer's database (SANY and XCMG offer online VIN lookups for export units).
    1. **Major component photos:** Engine block serial, hydraulic pump label, final drive housing. These are rarely replaced cosmetically.

      2. On-Site Inspection Checklist

      A qualified third-party inspector (available in Xuzhou, Changsha, Jinan, and Qingdao for USD 200-400) should check:

      • **Engine:** Cold start test (check for white/blue smoke), listen for consistent idle, check oil pressure gauge response.
      • **Hydraulics:** Cycle all functions at operating temperature. Watch for cylinder drift (>5mm/min is failure territory). Check hydraulic oil for metal particles.
      • **Undercarriage (excavators):** Measure track bushing wear using the sprocket tooth engagement method. At 20%+ bushing wear, budget USD 3,000-6,000 for a replacement set.
      • **Structural integrity:** Ultrasonic thickness test on boom and arm (cost ~USD 100). Focus on weld joints and pin bore areas.

      Export Documentation

      A clean export from China requires: Certificate of Origin (Form A/CO), Bill of Lading, Commercial Invoice, Packing List, and (for machines >5 years old) an Inspection Certificate from CCIC or SGS. Budget USD 800-1,500 in documentation fees per container.

      FAQ

      A: Most exported machines show 6,000-10,000 hours. Machines under 4,000 hours are rare and command a premium. Be skeptical of 2,000-3,000 hour machines from major dealers—tampering is common in this bracket.

      A: Direct dealers (like the ones in the Linyi and Xuzhou machinery markets) offer 7-14 day inspection windows and often provide 30-day parts warranty on major components. Auctions (Ritchie Bros. Asia) are cheaper but strictly as-is, with no recourse on hidden defects.

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