The Shantui SD22/SD23 bulldozer transmission pump (Part No. 705-21-32051) is compatible with SD22/SD23 and Komatsu D85 series bulldozers. Featuring dual gear pump structure, spline shaft drive and 2-hole flange mounting, with a rated working pressure of 1.6MPa, it is specially designed for transmission shifting oil supply and torque converter oil supplement. The oil inlet and outlet ports are OEM standard aperture, which can directly connect with original pipelines without additional modification, compatible with construction machinery special hydraulic transmission oil, ensuring stable oil pressure for the transmission shifting mechanism and normal oil supplement of the torque converter, eliminating shifting jitter and insufficient pressure faults. Easy to install, widely used in heavy-duty conditions such as mines, infrastructure and earthmoving projects, it is a high-quality accessory for bulldozer transmission system maintenance. Sufficient stock supports bulk delivery and customization services. We also provide various bulldozer hydraulic pumps for different models, please contact us for details.