Engineered for high-torque performance in 2.5 to 6-ton excavator systems.
In the high-intensity landscape of global construction and mining, the hydraulic swing motor (or slew drive) serves as the "rotational heart" of the excavator. Specifically, the PCR (Piston, Compact, Reduction) series has emerged as the industry standard for mini to mid-range excavators due to its integrated design that combines a high-speed axial piston motor with a planetary reduction gearbox. As a leading PCR Swing Motor Supplier & Factory, Weitai Hydraulic analyzes the shift from traditional mechanical components to high-efficiency hydraulic integrated systems.
The global demand for high-performance swing motors is currently driven by the massive expansion of urban infrastructure in developing nations and the revitalization of green energy projects in developed economies. Large-scale procurement teams from Tier-1 excavator manufacturers—such as SANY, XCMG, and SDLG—are no longer just seeking "parts"; they are seeking "lifecycle stability." Weitai Hydraulic provides macro-level solutions that address peak pressure resistance, heat dissipation in tropical climates, and low-temperature fluid dynamics for Arctic operations.
Weitai Hydraulic is one of China’s leading hydraulic suppliers, the earliest hydraulic enterprises which specializing in export business for decades. We are committed to providing excellent hydraulic products and services to both businesses and final users worldwide.
Originally an OEM factory, we have developed into a comprehensive company integrating production, trade, and investment. In addition to our own factories, we are a shareholder of a high-quality hydraulic motor manufacturer.
Our factories are all ISO certified and our material suppliers have obtained CE, RoHS, CSA, and UL certificates. We customize according to drawings to meet diverse customer needs.
As the Shandong Hydraulic Association’s (SDHA) Secretary Company, Weitai represents China's high-quality hydraulic sector, elected as the 2018 Annual Outstanding Enterprise.
The PCR swing motor technical trajectory is moving toward "Intelligent Rotary Control." At Weitai, our R&D focus includes:
Future iterations of the PCR-10 to PCR-34 series will emphasize noise reduction and seamless compatibility with autonomous excavator software platforms.
Procuring PCR swing motors involves complex logistics and compliance verification. Weitai Hydraulic simplifies this through:
Tailored mounting dimensions for unique chassis designs.
Full adherence to EU and North American industrial safety standards.
Warehousing strategies that minimize lead times to under 30 days for bulk orders.







High-quality travel motors, pumps, and slew drives for industrial applications.
No. 36 Miao Ling Road, Laoshan District, Qingdao, China 266061
Monday-Friday: 9:00 am to 6:00 pm
Saturday, Sunday: Closed
For inquiries about our products or pricelist, please leave to us and we will be in touch with in 24 hours.