The ATP B3Z-S Counter-Clockwise, Mechanical Seal style Water Pump is a 4″x 3″ Centrifugal Frame Mounted Water Pump used on most over the road, 2K and 4K Water Trucks. This pump has Female Pipe Threads on both the suction and discharge and at 2500 RPM performs at a rate up to 750 GPM at 65 PSI. When driven directly via PTO, this pump is primarily used for trucks with Standard Transmissions. Hydraulic Drive is also available by adding a Hydraulic Adaptor, 115-B07779.
This ATP Water Pump is a direct replacement for Berkeley Pump B3ZRM (B68415).
Check out our Water Pump Guide for more information on pump rotation, connections and seal type.
Need to rebuild your worn Mechanical Seal pump? Pick up one of our Rebuild Kits and watch the video below: