WA1310 / 2311 wet drive axle is the largest domestic tonnage loader drive axle made by German technology and made in China, suitable for 9 ton loaders. With completely independent intellectual property rights, WA1310 is the front axle and WA2311 is the center swing rear axle. The product has strong anti-overload ability, reliable braking and good heat dissipation performance. Has an invention patent and a number of utility model patents, developed the "piston-cylinder" type brake clutch, the wheel structure is modular and compact. The products have reached the leading domestic level and the international synchronous level in terms of reliability, working condition adaptability and technological advancement.