This Hydraulic Pump from Muncie has a 17 gallon per minute flow at 1,000 RPM. The PK Series Pumps from Muncie are designed to meet the application needs of either a pump or a motor. The all cast iron construction has 4 ports and a roller bearing design. The pumps bi-rotational feature helps reduce inventory requirements. It has a 2 bolt mount, 7/8 - 13 spline input shaft and O-ring ports on the rear and sides of the pump. Sometimes used to replace 12-0306031 Miller car carrier hydraulic pump for increased flow.