We produce two types of slow speed motor : Rotor type - 50 to 400 cc/rev (3 to 24 in³ /rev) Roller type - 80 to 250 cc/rev (4.9 to 15 in³ /rev) We also manufacture steering units : 50 to 400 cc/rev (3 to 24 in³ /rev) Open centre, closed centre or closed centre with load sensing Relief and overload valve options Steering priority valves also available - separate or in-built.