Swivel joint is used to be a channel for the hydraulic fluid going to the travel motor.

It has many other names, including rotary manifold, rotary union, center swivel, and center joint.

It's an important part of the machine.

If there is oil leak in the swivel joint, the travel motor will lose power.

So when the travel motor acts without power, you should take it into consideration too that whether it‘s the problem of swivel joint, and to change swivel join seal kits.

Seal kit is the top-priority main product for the one we supply.

During the past 10 years, Sonka company build a developing list for the formula for the seal kits from the ground. 

now we have most data information about the excavator seal kits for the brand Komatsu Hyundai Kobelco DOOSAN Excavators. And next step is for the Volvo loaders, Komatsu loaders, and bulldozers.
And for the others step by step.

Now Sonka company has its two own brand seals developed "HQPA" & "SUNCAR" on launching.

Sonka company is becoming better and better to provide better service to customers.

We can supply the product to you in the shortest time with good quality and competitive price. You could visit our website: http://www.excavatorsealkit.com for more information. Wish our products will be helpful for your business. Any questions please do not hesitate to let us know.
A. In order to give you fast and accurate pricing information, we need some details about your engine/appliion and the part number of the part you want.
B. If you cannot find the parts you need here on our web site, please just contact us directly with details.

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