Buying a used excavator can save you up to 50% of the cost than procuring a new one. However, if you are not careful enough, you might end up spending more money on repairs alone. It is therefore important to inspect the used excavator thoroughly before purchasing. You must enquire about the manufacturing date of the equipment, the specifications and date of last service. Furthermore, inspect the engine, the cab, stick, boom, bucket, track, undercarriage, hydraulic systems, swing system, gears and bearing, among others.
Engine Inspection; Excavators are designed to handle heavy tasks and are prone to wear and tear. While examining the engine, any signs of soot around the engine compartment might imply overhauling. Any oil leakage in the engine is an indication that it requires repairing. The air cooling system must also be inspected as presence of small amount of dirt can cause engine failure.
The Cab: While checking the cab, a reasonably good looking interior shows that it is being maintained properly. However, any out of place welding on the body is a sign of danger as it might be an indication that the body has previously suffered major damage.
The Bucket and Undercarriage: Make sure that nothing is bent on bucket, ensure that everything appears to be in place. Tracks and undercarriage of an excavator says a lot about its previous owner and how it was treated. Look out for wear and any signs of damage. Estimate the condition of sprockets and rollers and check if any of them need replacement. After inspecting the physical condition of the excavator, estimate the total cost the repair might need.
It is said that a well informed mechanic can say the problem in a vehicle just by listening to its engine. Therefore, start the engine and listen to detect any croaking sounds as it will give you invaluable insights into the working condition of excavator. You must also check the hydraulic system and examine the hydraulic tubes and cylinders for any sign of damage or unusual bending. Any bending can increase the wear and tear of the equipment and soon require that it be replaced. Also, track the performance of swing systems including gears and bearing before making a purchase.
Buying a used excavator is more of a financial decision than a technical one. It is paramount that you consider the gross cost rather than just listed price. The gross cost includes the listed price plus the carefully evaluated cost of repairs. If necessary, it is advisable that you seek the recommendations of a professional mechanic to make the most reasonable estimates. Proper inspection of a used excavator is the surest way to get value for your money, don't rush.
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