Excavator Travel Motor GM09 PC78US-6 PC78 PC78MR 21W-60-22130 Final Drive Assy Aftermarket

Excavator travel motor GM09 PC78US-6 PC78 PC78MR 21W-60-22130 final drive assy Aftermarket

The excavator undercarriage is a critical component responsible for supporting and propelling the entire machine, ensuring stable operation across various terrains. Its primary functions include providing power, supporting the machine’s frame, transmitting driving force, and ensuring mobility and stability in complex environments.

Production Description

Main Components

The undercarriage consists of the following key parts:

• Travel Motor (Hydraulic Motor): Supplies driving force by converting hydraulic energy into mechanical energy to rotate the tracks.

• Track (Crawler Belt): Directly contacts the ground, providing traction and stability. Typically made of high-strength steel to adapt to different terrains.

• Sprocket (Drive Wheel): Connects the travel motor to the track, transmitting power to move the track.

• Idler Wheel (Guide Wheel): Guides the track’s movement and maintains proper alignment, usually located at the front.

• Carrier Rollers (Bottom Rollers): Support the machine’s weight and distribute pressure evenly to reduce ground impact.

• Track Rollers (Top Rollers): Support the upper part of the track, preventing sagging and ensuring smooth operation.

• Track Frame (Undercarriage Frame): Supports and secures all components, ensuring structural stability.

Factory & Delivery

FAQ

1. If I only know the excavator model, but can not offer parts No., what should I do ?
If possible, you can send us pictures of old products, nameplate or the size for reference.

2. What is the warranty of the parts after I purchased?
The warranty is 6/12 Months based on the item details.

3. How can I pay the order?
We can receive payment through T/T, Western Union, Paypal(for small amount), trade assurance.

4. When will get the items after I place order?
Once your payment is confirmed, we will arrange the goods within 24 hours; if not in stock , we will inform you before placing the order.

5. How can I do if there is something wrong with the items?
First of all , I have confidence in the quality of our products ,if you really found something wrong ,pls provide pictures for us and we will check. After it is confirmed, pls return to us , we will offer the correct item.

6. What is your main products ?
We are specialized in the excavator spare parts, such as travel motor gearbox/ass’y/parts, swing gearbox/ass’y/motor/parts, hydraulic pump assy/parts and gear parts. If you need other excavator parts, we also can supply as your requirements.

Warranty :

1. Warranty Type :

We will replace the product which have quality problem .
2. Warranty Period :
Supply 3-12 months warranty for the products from the date of arrival . Customer should check the items according to the order list after arrival . Contact with us and offer the data , photos of the problem items .
3. You need to pay for the replacement charge for following condition :
* Wrong Order from customer
* Natural Disasters cause the damage
* Error installation
* The machine and reducer work over time and over load
* Lost by any condition
* Human element destroyed
* Corrode with rust during stock and running
* Warranty Expired
4. Others
They are the product easy to be rust away , please wrap them well . We just supply warranty for the products we are producing , except the Bearing , Seal , and some others we mention before order.If there is any problem about the products , installation or maintenance , please contact with us any time . We reserve the rights of final interpretation .

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