
On September 12, 2012 in Liuzhou, China, ZF (China) Investment Co., Ltd. and Guangxi Liugong Machinery Co., Ltd. signed a new cooperation agreement to formally establish a new joint venture - Liuzhou ZF Drive Axle Co., Ltd. company.
From that time, more and more Chinese loader transmission box use 4wg180,4wg200:
Such as CLG856 CDM855 SD300 ZL50G LG958 XG958......
The model of Liuzhou ZF transmission box (gearbox) is 4WG200.
The model of Hangzhou Advance transmission box(gearbox) is 4WG180(From 1988 year)
The both transmission box are the Electronic control gearbox for Chinese loader.
The axle of ZF is wet axle. Better quality and more expensive than normal axle.
How to buy the spare parts&assembly of 4WG200, 4WG180?
You just need to provide the 4WG180 or 4WG200 nameplate.
There is part number on the nameplate, such as:
4644024170 4644024146 4644024246 4644024243 4168034046 4644024231 4166034800 4644024228 4644004242 4644024146 4168034034......
Our company have enough database, we can provide you the all spare parts of your ZF transmission box.
So if you need the 4wg180 4wg200 transmission box/gearbox, please check that number and contact RUNMA.

Rockler is our company name.
our company have our own product factory. We have 27 years’ experience of produce.
Runma is our brand name.
We created this brand because we know that the market needs low-priced and high-quality products. And our goal is: Runma spare parts are more cost-effective than original spare parts.
Our facotry has engaged in loader industry for two generations. So we have enough ability to provide all types loader parts. Involve casting, machining, and loader production.
We produce loader spare parts by ourselves. So we can control the cost to the lowest, but the quality can be fully guaranteed, because we produce it ourselves.