One of the most popular hydraulic excavators worldwide is the CAT 320D. Affordability and proven durability are some of the reasons that many purchasers prefer used models. Nevertheless, not all the used machines are identical. A purchase of a CAT 320D excavator for sale should be properly inspected before making. Henan KeepTop Trading Co., Ltd. outlines the major procedures to observe in order to have value and reliability when purchasing a used CAT 320D.
Check the Machine History
The initial procedure is to demand machine records. Service history is available to indicate the maintenance of the excavator. Repair records can be used to determine a frequent problem. The transparent seller is to give the information about former ownership and working conditions. Mining excavators can get more heavily worn out than construction excavators. Being aware of the past will ensure reduced surprises in the future.
Check the Outside of the Building
Examine the excavator and search areas of obvious damage. Check body panels, cab, and frame. Rust or cracks may be indicators of additional repair expenses. Check welds and joints to identify whether they are repaired well. A well-maintained exterior can tell of care. KeepTop technicians also insist on the inspection of the paintwork in order to understand whether it was repainted to be cozy or as part of the refurbishment.
Examine the Undercarriage
The CAT 320D has tracks, rollers, idlers, and sprockets as part of the undercarriage. These parts face heavy wear. Components of the undercarriage may become worn out and therefore be replaceable at high occurrence costs. Inspect the track shoes to see whether they are cracked or bent. Check the rollers to show uneven wear. Make sure that the tension is accurate. Good undercarriage translates to stability and performance in the long run.
Review the Engine
The CAT 320D is driven by the dependable Cat C7.1 engine. Open the engine compartment and hear it in action. Search for the oil leakage or smoke. A clean engine bay is one with proper maintenance. Inquire about the oil and filter last change. Inspect the belts and hoses to determine whether they are cracked. The machine must also start without difficulty and operate without any weird noises. The reliability of the engine is the essence of the business of an excavator.
Test Hydraulic System
The hydraulic system is the key to the power of the CAT 320D. Check leaks of hoses, pumps, and cylinders. Check the hydraulic oil to see whether it is clear or impure. Check the movements of the boom, stick, and bucket. They are supposed to move freely without hitching. Poor hydraulic power can spell out expensive maintenance. The engineers at KeepTop always make sure that the hydraulic systems of refurbished excavators are tested to ascertain their stability and efficiency.
Assess the Cab and Controls
Productivity and comfort are combined in the cab of the operator. Enter and test the seat, pedals, and joysticks. The response of controls is not supposed to be stiff. Check air conditioning, heating, and power. Check the displays. A properly maintained cab is safer and more efficient for the operators. KeepTop also provides that refurbished machines are up to factory standards within the cab.
Test Operational Performance
Where applicable, test the excavator in actual conditions. Operate full cycles with the boom, arm, and bucket. Turn the upper structure to test the smoothness of the swing. Test the performance of the track by moving the machine forward and backward. Heed strange sounds at work. Operational Test confirms the machine to be job-site ready.
Check Fluids and Filters
The fluids are a measure of the machine's well-being. Check engine oil, hydraulic oil, coolant, and fuel filters. Dark/dirty liquid can represent bad maintenance. New filters that have been replaced indicate that it has been serviced recently. When refurbishing, KeepTop technicians always replace Caterpillar-recommended fluids and filters. This gives a smooth performance and extended life of the machine.
Review of Attachments and Accessories
A lot of consumers do not take attachments into consideration, but they are crucial to productivity. Check the bucket, coupler, or hammer condition, if there should be one. Ensure that they are fitting well and that they have no significant damage. True CAT attachments will be value additions to the machine. KeepTop never delivers anything less than 80 percent new in the bucket.
Conclusion
Purchasing a second-hand CAT 320D excavator is a matter that should be scrutinized. Every element is a concern between the undercarriage and the engine. A comprehensive examination will make the excavator fit to handle challenging projects. Buyers can invest with confidence with the guidance of a trusted supplier such as Henan KeepTop Trading Co., Ltd. The outcome is a robust, trustworthy machine that provides good performance and sustainability.
