Travel Motor 21W-60-4120 21W-60-22130 201-60-73500 For Komatsu Excavator PC60-7 PC60-7E PC60-7S PC70-7 PC70-7E PC75US-3

Cautions of Final Drive Installation

1. Clean the hydraulic oil circuit, replace the hydraulic oil filter and return oil filter. The mixing of fine particles such as mud, sand or metal powder in the hydraulic oil will wear out motor inner parts too quickly. It is also the main reason for the stuck phenomenon.

2. Check whether the gearbox is filled with gear oil. The volume of the gear oil should be more than half of the total volume of the gearbox. (Generally,factory will add gear oil in final drive )

3. Generally, for a new Chinese made final drive , it is necessary to replace the new gear oil after using for 7 days or 60 hours for the first time. The second time to change the gear oil is in the 2nd -3rd months. After that, it depends on the usuage situation of the final drive.

4.Try to avoid long-term immersion in water and avoid long-term operation in dusty environment; try to keep the working temperature between -5 to +30 degrees Celsius, avoid extreme cold and hot weather.

5.Difference between the quality of hydraulic oil (motor part) and gear oil (gear box part): Good hydraulic oil and gear oil can extend the service life.

6. Check if the pipeline connection is correct.

FAQ

1. When will get the items after I place order?
Once your payment is confirmed, we will arrange the goods in 1-3 working days; if not in stock , we will inform you before placing the order.

2. How can I do if there is something wrong with the items?
First of all, we have full confidence in our professional knowledges, and we also supply experienced engeerneers checking before sending parts to you, if still have answers, please supply us pictures or vedio for further checking and confirmation, after we confirmed us wrong, we would supply you parts freely, or return parts to us, or other mathoths to save costs during fixing...

3.What is your main products ?
We are specialized in the excavator gear parts, such as travel gearbox parts, swing gearbox. If you need other excavator parts, we also can supply as your requirements.