Excavator Parts SY335 Swing Reduction Gear XCMG370 LG936 Rotary Reducer Swing Gearbox

A Builder, Not a Broker
When you order gearbox parts from Weiyou, you’re ordering directly from the source. No middleman, no mark ups, no added wait time. Our 43,000 square meters facility and holds over 10,0000 components - allowing us to have the right component you need in stock and ready to ship.

Find the Part You Need
Our specialty lies in our knowledge. We have an extensive database showing which components fit which models. With our industry expertise, we can find the most cost-effective solution for you.
At Weiyou, we make finding the right gearbox part to simple. All you need to do is provide your make, model, and serial number, and our knowledgeable Parts Specialists will match you up with the right gearbox part or component that fits your specs and budget .

Rebuilt with Quality
Excavator reducer (gearbox) componentsis an art we’ve mastered over the last 12 years. We’ve done this by only investing in the best Red Seal certified heavy duty technicians and specialists and providing them with the latest training, tooling, and technology.
Our technicians follow precise assembly procedures including lapping valve plates and cylinder blocks, honing and measuring bores with precision tooling, and non-destructive testing (NDT).

Tested for Quality
Our standard for is to either meet or beat original factory specifications. All components are put through our Test Center, which holds our state-of-the-art, 500 hp electric test bench, and or our newly added, proprietary valve test bench.

We want to be completely sure that when we send you a component it’ll be durable, reliable and have a long life. That’s why we also back all our components with a 6-month parts warranty.