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The biggest fear when buying a used excavator is ending up with an accident-damaged or flood-damaged machine. Sanqi Machinery, with over a decade of import/export experience, teaches you how to quickly read inspection reports, focusing on the three key areas: hydraulics, engine, and structural components. We'll also cover essential on-site inspection tips to help you find a cost-effective used construction machine.

From a practical perspective, this article details the key points for selecting a used construction machinery engine assembly, including model compatibility, inspection reports, choices between remanufactured and used parts, and common mistakes in repair and replacement. Drawing on Sanqi Machinery's years of import and export experience, it provides real cases and price references to help equipment owners avoid detours and ensure efficient operation.

The selection and maintenance of excavator hydraulic parts is an unavoidable topic for equipment owners and maintenance personnel. Based on the actual used construction machinery market, this article provides practical advice on selecting hydraulic pumps, motors, and multi-way valves, troubleshooting common faults, and daily maintenance details, while answering several frequently asked questions. Whether you are buying used equipment or replacing parts, these experiences can help you a

This article explains the technology, compatible models, installation notes and buying tips for the Caterpillar 320 swing motor (CAT-320-SW), helping you solve weak or jerky excavator swing issues with genuine vs. aftermarket part guidance.

This article explains the technology highlights and applications of the Komatsu K3V112 hydraulic main pump. As the core component of PC-series excavators, it is known for high precision, efficiency and durability, and suits a wide range of working conditions.