... 4.a steady speed 5.reliable service 12V 1.5KW 4.5inch DC pump motors hydraulic unit TYPE MD4101Rated Voltage 12VNorminal power ... ,5 inch.Motors have different adaptor to match various of pump connectors.Motors’ surface treatment can be chosen by customer, and ... technique method such as zinc plated, chromium plated, powder coated with different color (e.g. black, red, grey) on heavy duty ...