1	Piston rod	40# steel & 40Cr Using highly precision mirror polishing The thickness of the plate is 0.025mm (electroplating 0.05mm then grinding to 0.025mm to ensure surface hardness reaches HB700)
2	Spring	High-strength spring steel The recoil size is the same as the original Roughness as well as original material Produce as per OEM standard Taped end spring and standard spring Fully inspected
3	Nut screw	45# steel quenched and tempered
4	Track cylinder	Precision casting Rolling surface treatment process inside Gloss surface Track cylinder surface finish RA<0.2(inner and outer) Cylinder and screw pin press together(others may by welding)
5	U york	Precision casting, high strength, and abrasion resistant
6	Seal kit	Top quality
7	Valve	OEM design with in&out grease valve

Quality & Service You Can Trust!

Our Aftermarket products are manufactured to meet OEM specifications.

We ONLY sell Quality, Reliable, and Guaranteed products!

Efficient delivery.

FAQ

1. How do you know if our parts fit the machine?

Please provide a detailed machine model or installation dimensions.

2. Are your parts guaranteed?

The warranty time for excavator parts is 24 months under normal working conditions, and the warranty time for bulldozer parts is 12 months under normal working conditions.

3. Can you make a customer logo?

Yes, we can make a customer logo if the MOQ of the customer logo order is reached.

4. What is your advantage that makes you different from others?

We have forging and casting workshops, so our prices are more competitive than other companies.

Do you have questions or this isn't exactly what you were looking for? Please call us at +86 177 509 556 09 or email us at support@echoo.cn.

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