DTS-B73403 B3JRMBMS CW Frame Mount, Threaded case, Mechanical Seal ConstructionThe B3JRMBHS Clockwise, Mechanical Seal pump is a high pressure, Hydraulically driven, 4 x 3 Threaded water pump with a 13. 5 Impeller. This pump is driven directly by a SAE C 4 Bolt Mounted 114 14 tooth Splined Shaft hydraulic motor coupled to the water pump shaft with a DTS M10176 coupling. When operating at 3,000 RPM this pump is capable of 1,150 GPM at 208 PSI and it's primary use is with Off Road mining tanks.