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Quality Water Truck Systems, Tanks & Parts Since 1947
Quality Water Truck Systems, Tanks & Parts Since 1947

Water Truck Pumps

UnitedBuilt offers a complete selection of water truck pumps, including our own line of 4x3 cast iron centrifugal pumps designed for demanding dust suppression and fluid transfer applications. Engineered for durability and performance, our pumps are manufactured in the USA using domestic and global high-quality materials and built to strict quality standards.

Our UnitedBuilt pumps are available in both mechanical seal (M3ZRMS) and rope packing seal (M3ZRM) configurations, providing flexibility based on your maintenance preferences and operating conditions. Each model is designed as a direct replacement for Berkeley-style B3ZRM and B3ZRMS water truck pumps, ensuring easy integration and reliable performance.

In addition to our aftermarket lineup, we also stock and distribute genuine OEM water truck pumps from Berkeley and Franklin Electric, along with a full range of pump repair parts and components.

With a large inventory on hand and fast shipping, UnitedBuilt helps minimize downtime and keep your equipment operating at peak performance. Whether you need a complete pump or replacement parts, you’ll find dependable solutions built for the job.

Water Pumps - UnitedBuilt Equipment

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  • 0 in stock. Available on backorder

    Water Truck Pump, Cast Iron, 4x3, Counter-Clockwise (CCW), Grooved Ends, Mechanical Seal, UnitedBuilt M3ZRMS B68416MS

    UnitedBuilt
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1,300.00
    $1,300.00 - $1,300.00
    Current price $1,300.00

    The UnitedBuilt B68416MS Water Truck Pump is a high-quality, heavy-duty aftermarket replacement for the Berkeley B68416 (B3ZRMS), engineered for re...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1,300.00
    $1,300.00 - $1,300.00
    Current price $1,300.00
  • 0 in stock. Available on backorder

    Water Truck Pump, Cast Iron, 4x3, Clockwise (CW), Grooved Ends, Mechanical Seal, UnitedBuilt M3ZRMS B68417MS

    UnitedBuilt
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1,300.00
    $1,300.00 - $1,300.00
    Current price $1,300.00

    The UnitedBuilt B68417MS Water Truck Pump is a high-quality, heavy-duty aftermarket replacement for the Berkeley B68417 (B3ZRMS), engineered for re...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1,300.00
    $1,300.00 - $1,300.00
    Current price $1,300.00
  • 0 in stock. Available on backorder

    Water Truck Pump, Cast Iron, 4X3, Counter Clockwise (CCW), Grooved Ends, Rope Packing Seal, UnitedBuilt M3ZRM B66895MS

    UnitedBuilt
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1,275.00
    $1,275.00 - $1,275.00
    Current price $1,275.00

    The UnitedBuilt B66895MS Water Truck Pump is a heavy-duty, high-quality aftermarket replacement for the Berkeley B66895 (B3ZRM), engineered for rel...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1,275.00
    $1,275.00 - $1,275.00
    Current price $1,275.00
  • 0 in stock. Available on backorder

    Water Truck Pump, Cast Iron, 4x3, Clockwise (CW), Grooved Ends, Rope Packing Seal, UnitedBuilt M3ZRM B66899MS

    UnitedBuilt
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1,275.00
    $1,275.00 - $1,275.00
    Current price $1,275.00

    The UnitedBuilt B66899MS Water Truck Pump is a heavy-duty, high-quality aftermarket replacement for the Berkeley B66899 (B3ZRM), designed for relia...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1,275.00
    $1,275.00 - $1,275.00
    Current price $1,275.00
  • 96 in stock

    Powerhead, Cast Iron, 4x3, Counter Clockwise (CCW), Mechanical Seal, UnitedBuilt M3ZRMS B85549MS

    UnitedBuilt
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $950.00
    $950.00 - $950.00
    Current price $950.00

    UnitedBuilt Powerhead M3ZRMS 4X3 Mechanical Seal CCW Complete centrifugal water pump, less the volute. This powerhead bolts directly to your existi...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $950.00
    $950.00 - $950.00
    Current price $950.00
  • 6 in stock

    Water Truck Pump, Clockwise (CW), Rope Packing Seal, 4x3 Threaded FNPT, B3ZRM B3Z-HD , 1-1/2" Shaft x 3/8" Key, ATP B86070

    ATP
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1,595.00
    $1,595.00 - $1,595.00
    Current price $1,595.00

    The ATP B3Z-HD is a heavy-duty centrifugal water pump with a threaded suction and discharge side. Its 11⁄2″ shaft and keyed impeller make it strong...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1,595.00
    $1,595.00 - $1,595.00
    Current price $1,595.00
  • 29 in stock

    Powerhead, Cast Iron, 4x3, Clockwise (CW), Mechanical Seal, UnitedBuilt M3ZRMS B85550MS

    UnitedBuilt
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $950.00
    $950.00 - $950.00
    Current price $950.00

    UnitedBuilt Powerhead M3ZRMS 4X3 Mechanical Seal CW Complete centrifugal water pump, less the volute. This powerhead bolts directly to your existin...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $950.00
    $950.00 - $950.00
    Current price $950.00
  • 5 in stock

    Water Pump B3ZRMS, 4" Suction x 3" Discharge FNPT, Clockwise (CW), Mechanical Seal, Hydraulic Drive SAE C 4-Bolt, 1-1/4" x 14T Splined Shaft, Berkeley B69875

    Berkeley
    Original price $5,387.00
    Original price $5,387.00 - Original price $5,387.00
    Original price $5,387.00
    Current price $2,875.00
    $2,875.00 - $2,875.00
    Current price $2,875.00

    The Berkeley OEM B69875 Water Truck Pump (Model B3ZRMS) is a high-performance, frame-mounted centrifugal pump designed for reliable water transfer ...

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    Original price $5,387.00
    Original price $5,387.00 - Original price $5,387.00
    Original price $5,387.00
    Current price $2,875.00
    $2,875.00 - $2,875.00
    Current price $2,875.00
    Save 47% Save %
  • 4 in stock

    Water Pump, CW Self Priming, Mechanical Seal, 4x4 FNPT, Hydraulic Drive, B4ZRKS, ATP B69876

    ATP
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $2,995.00
    $2,995.00 - $2,995.00
    Current price $2,995.00

    Water Pump, Self-Priming 4x4, Mechanical Seal, B4ZRKS, Aftermarket Shop repair parts 

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $2,995.00
    $2,995.00 - $2,995.00
    Current price $2,995.00
  • 5 in stock

    Water Truck Pump, Cast Iron, 4x3 Counter-Clockwise (CCW), Mechanical Seal, Groove Volute, Franklin XS439

    Franklin
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $3,273.00
    $3,273.00 - $3,273.00
    Current price $3,273.00

    Franklin XS Series Heavy Duty Water Truck Pump Designed for Longevity: Using the latest design technology producing maximum bearing life. Rigidly-...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $3,273.00
    $3,273.00 - $3,273.00
    Current price $3,273.00
  • 3 in stock

    Water Truck Pump, Counter-Clockwise (CCW), Rope Packing Seal, 4x3 Threaded FNPT, B3ZRM B3Z-HD, 1-1/2" Shaft x 3/8" Key, ATP B85874

    ATP
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1,595.00
    $1,595.00 - $1,595.00
    Current price $1,595.00

    ATP B85874 Water Truck Pump – 4x3 CCW, Rope Seal, Threaded, PTO Driven (Aftermarket Replacement for Berkeley B3ZRM) The ATP B85874 is a heavy-duty ...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1,595.00
    $1,595.00 - $1,595.00
    Current price $1,595.00
  • 6 in stock

    Water Truck Pump, Cast Iron, 4x3 Clockwise (CW), Mechanical Seal, Groove Volute, Franklin XS439

    Franklin
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $3,273.00
    $3,273.00 - $3,273.00
    Current price $3,273.00

    Franklin XS Series Heavy Duty Water Truck Pump Designed for Longevity: Using the latest design technology producing maximum bearing life. Rigidly-...

    View full details
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $3,273.00
    $3,273.00 - $3,273.00
    Current price $3,273.00
  • 0 in stock. Available on backorder

    Berkeley B73027 B4ERBMS 5x4 CCW Water Truck Pump

    Berkeley
    Original price $13,237.00
    Original price $13,237.00 - Original price $13,237.00
    Original price $13,237.00
    Current price $7,628.00
    $7,628.00 - $7,628.00
    Current price $7,628.00

    Pump only; select the drive and installation components separately.The Berkeley B73027 B4ERBMS is a frame-mounted centrifugal water pump with 5-inc...

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    Original price $13,237.00
    Original price $13,237.00 - Original price $13,237.00
    Original price $13,237.00
    Current price $7,628.00
    $7,628.00 - $7,628.00
    Current price $7,628.00
    Save 42% Save %
  • 0 in stock. Available on backorder

    Water Pump, Model B3JRMBHS, 4" Suction x 3" Discharge, Groove Ends 5" x 3", Clockwise (CW), Hydraulic Drive SAE C 4-Bolt 1-1/4" x 14T, 13.5" Impeller, Mechanical Seal, ATP B73403GR

    ATP
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $3,495.00
    $3,495.00 - $3,495.00
    Current price $3,495.00

    The Aftermarket ATP B3J-S Clockwise, Mechanical Seal pump is a high pressure, hydraulically driven, 4” x 3” (inlet is 4″ ID, 5″ OD) Grooved water p...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $3,495.00
    $3,495.00 - $3,495.00
    Current price $3,495.00
  • 3 in stock

    Water Truck Pump, Counter-Clockwise (CCW), 4" NPT Suction x 3" NPT Discharge, Rope Packing Seal, Cast Iron, 9" Impeller, B3ZRM, Berkeley B80303

    Berkeley
    Original price $7,078.00
    Original price $7,078.00 - Original price $7,078.00
    Original price $7,078.00
    Current price $3,540.00
    $3,540.00 - $3,540.00
    Current price $3,540.00

    Water Truck Pump, Counter-Clockwise (CCW), Rope Packing Seal, Cast Iron, 9" Impeller, B3ZRM, Berkeley B80303

    Original price $7,078.00
    Original price $7,078.00 - Original price $7,078.00
    Original price $7,078.00
    Current price $3,540.00
    $3,540.00 - $3,540.00
    Current price $3,540.00
    Save 50% Save %
  • 3 in stock

    Berkeley B69876 B4ZRKS 4x4 Self-Priming Water Truck Pump, 4" FNPT Suction, 3" FNPT Companion Flange, CW Hydraulic Drive

    Berkeley
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $3,700.00
    $3,700.00 - $3,700.00
    Current price $3,700.00

    The Berkeley B69876 B4ZRKS is a genuine Berkeley OEM 4x4 self-priming centrifugal pump built for demanding water-truck and dust-control application...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $3,700.00
    $3,700.00 - $3,700.00
    Current price $3,700.00
  • 0 in stock. Available on backorder

    Berkeley B87334 B3JRMBMS Water Pump, 4" x 3" NPT, CW – Replaces B66924

    Berkeley
    Original price $15,144.00
    Original price $15,144.00 - Original price $15,144.00
    Original price $15,144.00
    Current price $7,570.00
    $7,570.00 - $7,570.00
    Current price $7,570.00

    Frame-mounted pump only. Baseplate, coupling, guards and shields are sold separately. The Berkeley B87334 B3JRMBMS centrifugal water pump combines ...

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    Original price $15,144.00
    Original price $15,144.00 - Original price $15,144.00
    Original price $15,144.00
    Current price $7,570.00
    $7,570.00 - $7,570.00
    Current price $7,570.00
    Save 50% Save %
  • 0 in stock. Available on backorder

    Berkeley B87335 B3JRMBMS Water Pump, 4" x 3" NPT, CCW – Replaces B61999

    Berkeley
    Original price $14,437.00
    Original price $14,437.00 - Original price $14,437.00
    Original price $14,437.00
    Current price $7,215.00
    $7,215.00 - $7,215.00
    Current price $7,215.00

    Frame-mounted pump only. Baseplate, coupling, guards and shields are sold separately. The Berkeley B87335 B3JRMBMS centrifugal water pump combines ...

    View full details
    Original price $14,437.00
    Original price $14,437.00 - Original price $14,437.00
    Original price $14,437.00
    Current price $7,215.00
    $7,215.00 - $7,215.00
    Current price $7,215.00
    Save 50% Save %
  • 2 in stock

    Berkeley B87336 High-Pressure Hydraulic Water Truck Pump | B73403 Replacement

    Berkeley
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $6,943.00
    $6,943.00 - $6,943.00
    Current price $6,943.00

    The Berkeley B87336 B3JRMBMS high-pressure hydraulic water truck pump replaces the legacy B73403. It combines 4-inch suction and 3-inch discharge f...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $6,943.00
    $6,943.00 - $6,943.00
    Current price $6,943.00
  • 2 in stock

    Water Truck Pump, 4x3, Clockwise (CW), Grooved Ends, Mechanical Seal, 1-3/8-10 2-1/2 Ext SAE 5, Engine Mount, OEM Berkeley B3ZQMS B69963

    Berkeley
    Original price $11,254.00
    Original price $11,254.00 - Original price $11,254.00
    Original price $11,254.00
    Current price $5,852.00
    $5,852.00 - $5,852.00
    Current price $5,852.00

    Berkeley B69963 Water Truck Pump – 4x3, CW, Grooved Ends, Mechanical Seal, SAE Engine Mount The Berkeley B69963 Water Truck Pump is a high-performa...

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    Original price $11,254.00
    Original price $11,254.00 - Original price $11,254.00
    Original price $11,254.00
    Current price $5,852.00
    $5,852.00 - $5,852.00
    Current price $5,852.00
    Save 48% Save %
  • 11 in stock

    Water Pump, Self-Priming, Model B4ZRKS, 4" Suction x 4" Discharge, Female NPT Ends, Clockwise (CW), Hydraulic Drive SAE C 4-Bolt 1-1/4" x 14T, 9.12" Cast Iron Impeller, Mechanical Seal, Berkeley B70373 (MEGA 302430)

    Berkeley
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $6,000.00
    $6,000.00 - $6,000.00
    Current price $6,000.00

    The Berkeley B70373 B4ZRKS is a heavy-duty self-priming centrifugal water pump designed for hydraulic-drive applications requiring dependable sucti...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $6,000.00
    $6,000.00 - $6,000.00
    Current price $6,000.00
  • 0 in stock. Available on backorder

    Water Pump, 5" x 4" Flanged Ends, 13" Impeller, 1-3/8"-10T Shaft Spline, 3" Shaft Extension, SAE 2, Rope Packing Seal, Type B, J Series, Model B4JQBH, Berkeley B66025

    Berkeley
    Original price $16,194.00
    Original price $16,194.00 - Original price $16,194.00
    Original price $16,194.00
    Current price $8,900.00
    $8,900.00 - $8,900.00
    Current price $8,900.00

    Original price $16,194.00
    Original price $16,194.00 - Original price $16,194.00
    Original price $16,194.00
    Current price $8,900.00
    $8,900.00 - $8,900.00
    Current price $8,900.00
    Save 45% Save %
  • 0 in stock. Available on backorder

    Water Pump, 5" x 4" Flanged Ends, 13" Impeller, 1-1/2"-10T Shaft Spline, 3" Shaft Extension, SAE 3, Rope Packing Seal, Type B, J Series, Model B4JQBH, Berkeley B66026

    Berkeley
    Original price $16,194.00
    Original price $16,194.00 - Original price $16,194.00
    Original price $16,194.00
    Current price $8,900.00
    $8,900.00 - $8,900.00
    Current price $8,900.00

    Original price $16,194.00
    Original price $16,194.00 - Original price $16,194.00
    Original price $16,194.00
    Current price $8,900.00
    $8,900.00 - $8,900.00
    Current price $8,900.00
    Save 45% Save %
  • 0 in stock. Available on backorder

    Water Pump, Model B3JRMBM, 4" Suction x 3" Discharge, Female NPT, Clockwise (CW), Shaft Drive, 13" Impeller, Rope Packing Seal, Berkeley B87333

    Berkeley
    Original price $13,548.00
    Original price $13,548.00 - Original price $13,548.00
    Original price $13,548.00
    Current price $9,755.00
    $9,755.00 - $9,755.00
    Current price $9,755.00

    Water Pump, Model B3JRMBM, 4" Suction x 3" Discharge, Female NPT, Clockwise (CW), Shaft Drive, 13" Impeller, Rope Packing Seal, Berkeley B87333

    Original price $13,548.00
    Original price $13,548.00 - Original price $13,548.00
    Original price $13,548.00
    Current price $9,755.00
    $9,755.00 - $9,755.00
    Current price $9,755.00
    Save 28% Save %