Haldex D Series Hydraulic Pumps are compact, external gear models for use in pumping fluids for lubricating qualities. Suitable for use in a wide variety of applications, including agricultural, construction, transmission charge and lube, and diesel fuel transfer. Our D pumps are designed to provide reliable, long life service under rugged conditions. D Series pumps are built with cast iron bodies and hardened steel gears. The D Series offers a large selection of shaft and flange options to meet your application requirements.