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Home » News » FAQ

Buying Used Construction Machinery Guide

This page provides practical answers and experience-based guidance for buying used construction machinery, including excavator condition checks, pricing considerations, export process, and common questions from overseas buyers.

FAQ Category

FAQ

  • Q Does blue smoke from the engine of a used excavator affect its use?

    A
    Yes. Blue smoke indicates oil burning, mostly due to wear of piston rings and valve oil seals. Failure to repair in time will aggravate engine loss and increase maintenance costs.

  • Q What's the problem if the hydraulic oil of a used excavator turns black?

    A
    It is most likely that the hydraulic oil is deteriorated, has impurities, or the hydraulic pump and oil cylinder are worn. It is necessary to immediately replace the hydraulic oil and filter, and check the core components.

  • Q What maintenance must be done after buying a used excavator?

    A
     Fully replace engine oil, hydraulic oil and filters, check hydraulic pipelines and tracks, add grease, and test the battery and electrical system.

  • Q What are the common faults of used excavators?

    A
    Core faults: Hydraulic system leakage, engine oil burning, traveling deviation, slewing abnormal noise, mostly caused by improper maintenance or heavy load use.

  • Q Can the working hours of a used excavator fully reflect its condition?

    A
    No. It is necessary to combine maintenance records and operating conditions (light load/heavy load). Some equipment has tampered hour meters, so it is necessary to comprehensively judge based on the wear of the machine body.

  • Q What actions should be focused on during the test run of a used excavator?

    A
    Focus on testing the four major actions: excavation, lifting, slewing and traveling. Check for jamming, weakness, abnormal noise, and oil leakage in the hydraulic system.

  • Q How to define "90% new" and "96% new" for used excavators?

    A
    90% new: Used for 1000-2000 hours, no obvious appearance wear, no maintenance on core components, close to new; 96% new: Used for less than 500 hours, appearance and performance are basically the same as new, no any faults.

  • Q Are there any cracks or welding on the boom and arm?

    A No cracking, no structural welding, whole frame keeps original factory condition.

  • Q Is your excavator original paint or repainted?

    A Most machines keep original paint, partial machines with beautiful repaint without structural damage.

  • Q Why should I choose Jiecheng instead of a random supplier?

    A With years of industry experience, we understand both equipment and export processes, helping customers avoid common pitfalls when buying used machinery.

Cost-Effective Used Heavy Equipment, Ready for Export

Large stock of used excavators and construction machinery available now. Professionally inspected, export-ready, and delivered to projects worldwide.
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