MAISONNouvellesBlogSept considérations clés lors de la sélection d'une excavatrice Caterpillar 320 d'occasion

Sept considérations clés lors de la sélection d'une excavatrice Caterpillar 320 d'occasion

Release Time: 2024-11-28

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When choosing a used Caterpillar 320 excavator, considering the following seven key factors will help ensure you select the right, well-performing equipment and minimize future repair and operating costs:

1.Operating Hours

Why it’s important: Operating hours are an important indicator of how well a used excavator has been used. Generally speaking, equipment with fewer operating hours tends to have a longer lifespan, reducing the risk of major failures.
Recommendation: Choose equipment with moderate operating hours (e.g. 3,000-5,000 hours). Too few operating hours may mean that the equipment sits idle for a long time, leading to system aging and potential problems.

2.Hydraulic System Condition

Why it’s important: The hydraulic system is the heart of the excavator and is responsible for most of the operating performance (such as digging, lifting, etc.). Any problems with the hydraulic system can result in reduced operating efficiency or expensive repairs.
Recommendation: Check the color and cleanliness of the hydraulic oil, check for leaks, whether the pump is operating properly, and ensure that the hydraulic cylinder and pipes are not damaged. Hydraulic systems tend to be more expensive to repair, so ensuring their health is critical.

3.Engine and Powertrain
Why it is important: The engine is the heart of the excavator and directly affects performance and fuel consumption. The drive system includes the engine, transmission, chassis and other parts. Any failure will affect the stability and efficiency of the equipment.
Suggestion: Check whether the engine of the excavatrice d'occasion starts smoothly, whether there is any abnormal noise, excessive smoke emission or other abnormal phenomena. At the same time, check the wear of the transmission, drive shaft and related parts. Make sure that the engine has no oil leakage or severe wear.

4.Undercarriage and Tracks
Why it is important: The chassis and tracks are key components of the excavator. Good chassis and track conditions can ensure stable operation of the equipment in complex terrain. Severely worn tracks will affect driving efficiency and increase replacement costs.
Suggestion: Check the wear, cracks or deformation of the tracks, check whether the chains and gears are normal, and ensure that the chassis suspension system is not loose or damaged. The chassis maintenance cost is high, so it needs special attention.

5.Maintenance History
Why it is important: A complete maintenance history and maintenance record can provide information about the equipment's operating status, whether it has undergone major repairs or has experienced any malfunctions. Equipment that is regularly maintained and repaired in a timely manner is usually more reliable than equipment that is neglected.
Recommendation: Ask used equipment supplier for a complete maintenance record to check whether the equipment has undergone regular maintenance such as oil changes and filter element changes on time. If there has been a major maintenance history, special attention should be paid to the quality and continuity of the repair parts.

6.Exterior and Structural Inspection
Why it is important: The appearance and structure of the excavator reflect whether the equipment has experienced major collisions or improper operation. Any cracks, deformations of the frame or severe wear of the bucket may affect the service life and safety of the equipment.
Recommendation: Carefully inspect the frame, boom, bucket and other structural parts to check for cracks, bends, excessive wear or welding marks. Make sure there is no structural damage to prevent it from affecting later work.

7.Price and Market Value
Why it is important: A reasonable price can reflect the true value of the equipment and help you avoid overpaying. Understanding the market situation will help you determine whether the seller's offer is reasonable.
Recommendation: Compare the prices of excavators of similar models, similar working hours and conditions in the market to ensure that the equipment you choose is priced appropriately. A price that is too low may mean that the equipment has hidden dangers or the seller is in a hurry to sell; a price that is too high may not be cost-effective.

When buying a used Caterpillar 320 excavator, considering factors such as working hours, hydraulic system, engine condition, chassis and track condition, maintenance history, appearance inspection and price will help you make a wise choice. Ensure that the equipment has good operating performance and long-term use value, while avoiding high maintenance costs in the future.

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