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Water Truck Pumps by UnitedBuilt: Premium Performance, Fast Shipping, Made in the USA
Water Truck Pumps by UnitedBuilt: Premium Performance, Fast Shipping, Made in the USA
When it comes to reliable water truck performance, the pump is the heart of your operation. At UnitedBuilt, we understand that durability, efficiency, and compatibility are key—which is why we’ve engineered a line of 4x3 centrifugal water pumps specifically designed for water truck applications. Built with pride in the USA and designed to meet or exceed industry standards, our pumps deliver the performance you can count on.
High-Quality 4x3 Cast Iron Centrifugal Pumps
UnitedBuilt's 4x3 centrifugal water pumps are crafted from high-strength cast iron, offering long-lasting durability in even the toughest environments. Whether you're handling dust suppression, soil compaction, or general water transfer, these pumps deliver consistent pressure and flow.
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Made in the USA: Built with American craftsmanship and strict quality controls.
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Durable Materials: Heavy-duty cast iron construction resists wear, corrosion, and extreme job site conditions.
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Seal Options: Choose between mechanical seals for low-maintenance reliability or rope packing seals for easy field service.
Direct Replacements for Berkeley Pumps
Our pumps are direct interchanges for Berkeley B3ZRM and B3ZRMS style pumps, making it easy to swap out existing units without the hassle of complex retrofitting. Whether you're upgrading your current system or need a dependable replacement, UnitedBuilt has the perfect solution.
OEM Water Truck Pumps from Trusted Brands
In addition to our in-house pump line, we stock and distribute OEM water truck pumps from top-tier manufacturers like:
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Berkeley
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Franklin
These pumps are trusted by contractors and municipalities alike for their performance and reliability.
In-Stock Pumps and Repair Parts for Fast Shipping
At UnitedBuilt, we keep a wide range of water truck pumps and repair parts in stock and ready to ship. Whether you need a full replacement or a small component, our quick turnaround times help you minimize downtime and keep your operations moving.
SEO Keywords That Help You Find What You Need
To ensure our products rank high on search engines, we optimize for relevant keywords that water truck operators and fleet managers are searching for:
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"Water truck pump for sale"
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"4x3 centrifugal water pump USA"
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"Berkeley style water truck pump"
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"B3ZRM pump replacement"
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"Best water truck pump with mechanical seal"
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"Heavy-duty cast iron water pump"
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"OEM water truck pump parts"
These keywords help UnitedBuilt show up first when customers search for trusted, American-made water truck pumps online.
Why Choose UnitedBuilt for Water Truck Pumps?
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USA Manufacturing: You can rely on American-made quality and durability.
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Expert Support: Our team helps you choose the right pump or part for your specific truck.
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Fast Fulfillment: We maintain stock on most pumps and parts for immediate shipping.
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Trusted Compatibility: Our pumps match existing Berkeley systems without modifications.
Conclusion: Depend on UnitedBuilt for Water Truck Pumps That Last
If you're looking for the best water truck pumps on the market—built tough, shipped fast, and backed by real support—UnitedBuilt is your go-to source. Whether you need a 4x3 centrifugal pump, OEM replacement, or repair parts, we've got you covered with top-tier quality and dependable service.
Explore our complete line of water truck parts and pumps today and experience the power and reliability that only UnitedBuilt can deliver.
Water Truck Pumps
Water Truck Pump, Cast Iron, 4x3, Counter-Clockwise (CCW), Grooved Ends, Mechanical Seal, UnitedBuilt M3ZRMS B68416MS
UnitedBuiltUnitedBuilt Centrifugal Water Pump B68416MS Grooved Suction and Discharge 4" Suction 3" Discharge UnitedBuilt M3ZRMS Counter-Clockwise (CCW) 4x3 ...
View full detailsWater Truck Pump, Cast Iron, 4x3, Clockwise (CW), Grooved Ends, Mechanical Seal, UnitedBuilt M3ZRMS B68417MS
UnitedBuiltUnitedBuilt Centrifugal Water Truck Pump B68417MS Grooved Suction and Discharge 4" Suction 3" Discharge UnitedBuilt M3ZRMS Clockwise (CW) 4x3 mec...
View full detailsWater Truck Pump, Cast Iron, 4x3, Clockwise (CW), Grooved Ends, Rope Packing Seal, UnitedBuilt M3ZRM B66899MS
UnitedBuiltUnitedBuilt Centrifugal Water Pump B66899MS Grooved Suction and Discharge 4" Suction 3" Discharge UnitedBuilt M3ZRM Clockwise (CW) 4x3 rope packi...
View full detailsWater Truck Pump, Cast Iron, 4X3, Counter Clockwise (CCW), Grooved Ends, Rope Packing Seal, UnitedBuilt M3ZRM B66895MS
UnitedBuiltUnitedBuilt Centrifugal Water Pump B66895MS Grooved Suction and Discharge 4" Suction 3" Discharge UnitedBuilt M3ZRMS Counter-Clockwise (CCW) 4x3 ...
View full detailsWater Pump, CW Self Priming, Mechanical Seal, 4x4 FNPT, Hydraulic Drive, B4ZRKS, ATP B69876
ATPWater Pump, Self-Priming 4x4, Mechanical Seal, B4ZRKS, Aftermarket Shop repair parts
Water Truck Pump, Clockwise (CW), Rope Packing Seal, 4x3 Threaded FNPT, B3ZRM B3Z-HD , 1-1/2" Shaft x 3/8" Key, ATP B86070
ATPThe 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...
View full detailsWater 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
BerkeleyExperience high performance with the Berkeley OEM B69875 Water Pump. Featuring the B3Z-S design, this pump has a Hydraulic Mount Bearing Frame and ...
View full detailsWater Truck Pump B3ZRM, 4" Suction x 3" Discharge FNPT, 9" Impeller, Clockwise (CW), Rope Packing Seal, Hydraulic Motor Direct Coupling Drive, Berkeley B80357
BerkeleyBerkeley B3ZRM model cast iron water truck pump with rope packing seal. Hydraulic Motor Direct Coupling Drive, 4" Suction x 3" Discharge FNPT with ...
View full detailsWater Truck Pump, Counter-Clockwise (CCW), Rope Packing Seal, 4x3 Threaded FNPT, B3ZRM B3Z-HD, 1-1/2" Shaft x 3/8" Key, ATP B85874
ATPWater Truck Pump, CW Self Priming, Mechanical Seal, 4x4 FNPT, Hydraulic Drive, B4ZRKS, Berkeley B69876
BerkeleyWater Pump, Self-Priming 4x4, Mechanical Seal, Berkeley B4ZRKS B69876 * Typically Ships in 1-2 Weeks if Not In Stock *
Featured Water Truck Pumps
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Water Truck Pump, Cast Iron, 4x3, Counter-Clockwise (CCW), Grooved Ends, Mechanical Seal, UnitedBuilt M3ZRMS B68416MS
UnitedBuiltOriginal price $0.00 - Original price $0.00Original price $0.00$1,336.00$1,336.00 - $1,336.00Current price $1,336.00UnitedBuilt Centrifugal Water Pump B68416MS Grooved Suction and Discharge 4" Suction 3" Discharge UnitedBuilt M3ZRMS Counter-Clockwise (CCW) 4x3 ...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$1,336.00$1,336.00 - $1,336.00Current price $1,336.00 -
Water Truck Pump, Cast Iron, 4x3, Clockwise (CW), Grooved Ends, Mechanical Seal, UnitedBuilt M3ZRMS B68417MS
UnitedBuiltOriginal price $0.00 - Original price $0.00Original price $0.00$1,336.00$1,336.00 - $1,336.00Current price $1,336.00UnitedBuilt Centrifugal Water Truck Pump B68417MS Grooved Suction and Discharge 4" Suction 3" Discharge UnitedBuilt M3ZRMS Clockwise (CW) 4x3 mec...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$1,336.00$1,336.00 - $1,336.00Current price $1,336.00 -
Water Truck Pump, Cast Iron, 4x3, Clockwise (CW), Grooved Ends, Rope Packing Seal, UnitedBuilt M3ZRM B66899MS
UnitedBuiltOriginal price $0.00 - Original price $0.00Original price $0.00$1,290.00$1,290.00 - $1,290.00Current price $1,290.00UnitedBuilt Centrifugal Water Pump B66899MS Grooved Suction and Discharge 4" Suction 3" Discharge UnitedBuilt M3ZRM Clockwise (CW) 4x3 rope packi...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$1,290.00$1,290.00 - $1,290.00Current price $1,290.00 -
Water Truck Pump, Cast Iron, 4X3, Counter Clockwise (CCW), Grooved Ends, Rope Packing Seal, UnitedBuilt M3ZRM B66895MS
UnitedBuiltOriginal price $0.00 - Original price $0.00Original price $0.00$1,289.55$1,289.55 - $1,289.55Current price $1,289.55UnitedBuilt Centrifugal Water Pump B66895MS Grooved Suction and Discharge 4" Suction 3" Discharge UnitedBuilt M3ZRMS Counter-Clockwise (CCW) 4x3 ...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$1,289.55$1,289.55 - $1,289.55Current price $1,289.55 -
6 in stock
Water Pump, CW Self Priming, Mechanical Seal, 4x4 FNPT, Hydraulic Drive, B4ZRKS, ATP B69876
ATPOriginal price $2,304.50Original price $2,304.50 - Original price $2,304.50Original price $2,304.50Current price $2,205.50$2,205.50 - $2,205.50Current price $2,205.50Water Pump, Self-Priming 4x4, Mechanical Seal, B4ZRKS, Aftermarket Shop repair parts
Original price $2,304.50Original price $2,304.50 - Original price $2,304.50Original price $2,304.50Current price $2,205.50$2,205.50 - $2,205.50Current price $2,205.50Save 4% -
3 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
ATPOriginal price $0.00 - Original price $0.00Original price $0.00$1,194.60$1,194.60 - $1,194.60Current price $1,194.60The 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...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$1,194.60$1,194.60 - $1,194.60Current price $1,194.60 -
4 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
BerkeleyOriginal price $4,749.00Original price $4,749.00 - Original price $4,749.00Original price $4,749.00Current price $2,765.00$2,765.00 - $2,765.00Current price $2,765.00Experience high performance with the Berkeley OEM B69875 Water Pump. Featuring the B3Z-S design, this pump has a Hydraulic Mount Bearing Frame and ...
View full detailsOriginal price $4,749.00Original price $4,749.00 - Original price $4,749.00Original price $4,749.00Current price $2,765.00$2,765.00 - $2,765.00Current price $2,765.00Save 42% -
Typically Ships in 2-3 Days if Not In Stock | 0 in stock. Available on backorder
Water Truck Pump B3ZRM, 4" Suction x 3" Discharge FNPT, 9" Impeller, Clockwise (CW), Rope Packing Seal, Hydraulic Motor Direct Coupling Drive, Berkeley B80357
BerkeleyOriginal price $6,814.00Original price $6,814.00 - Original price $6,814.00Original price $6,814.00Current price $3,540.00$3,540.00 - $3,540.00Current price $3,540.00Berkeley B3ZRM model cast iron water truck pump with rope packing seal. Hydraulic Motor Direct Coupling Drive, 4" Suction x 3" Discharge FNPT with ...
View full detailsOriginal price $6,814.00Original price $6,814.00 - Original price $6,814.00Original price $6,814.00Current price $3,540.00$3,540.00 - $3,540.00Current price $3,540.00Save 48% -
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
ATPOriginal price $0.00 - Original price $0.00Original price $0.00$1,194.60$1,194.60 - $1,194.60Current price $1,194.60Original price $0.00 - Original price $0.00Original price $0.00$1,194.60$1,194.60 - $1,194.60Current price $1,194.60 -
Typically Ships in 1 Week | 0 in stock. Available on backorder
Water Truck Pump, CW Self Priming, Mechanical Seal, 4x4 FNPT, Hydraulic Drive, B4ZRKS, Berkeley B69876
BerkeleyOriginal price $0.00 - Original price $0.00Original price $0.00$4,675.00$4,675.00 - $4,675.00Current price $4,675.00Water Pump, Self-Priming 4x4, Mechanical Seal, Berkeley B4ZRKS B69876 * Typically Ships in 1-2 Weeks if Not In Stock *
Original price $0.00 - Original price $0.00Original price $0.00$4,675.00$4,675.00 - $4,675.00Current price $4,675.00 -
7 in stock
Water Truck Pump, Cast Iron, 4x3 Counter-Clockwise (CCW), Mechanical Seal, Groove Volute, Franklin XS439
FranklinOriginal price $6,946.00Original price $6,946.00 - Original price $6,946.00Original price $6,946.00Current price $2,865.00$2,865.00 - $2,865.00Current price $2,865.00Franklin XS Series Heavy Duty Water Truck Pump Designed for Longevity: Using the latest design technology producing maximum bearing life. Rigidly-...
View full detailsOriginal price $6,946.00Original price $6,946.00 - Original price $6,946.00Original price $6,946.00Current price $2,865.00$2,865.00 - $2,865.00Current price $2,865.00Save 59% -
5 in stock
Water Truck Pump, Cast Iron, 4x3 Clockwise (CW), Mechanical Seal, Groove Volute, Franklin XS439
FranklinOriginal price $6,450.00Original price $6,450.00 - Original price $6,450.00Original price $6,450.00Current price $2,865.00$2,865.00 - $2,865.00Current price $2,865.00Franklin XS Series Heavy Duty Water Truck Pump Designed for Longevity: Using the latest design technology producing maximum bearing life. Rigidly-...
View full detailsOriginal price $6,450.00Original price $6,450.00 - Original price $6,450.00Original price $6,450.00Current price $2,865.00$2,865.00 - $2,865.00Current price $2,865.00Save 56% -
Typically Ships in 2-3 Week | 0 in stock. Available on backorder
Water Pump, Model B4JRMBHS, 5" Suction x 4" Discharge Flanged, Clockwise (CW), Keyed Shaft, 13" Impeller, Mechanical Seal, Berkeley B61050
BerkeleyOriginal price $14,557.00Original price $14,557.00 - Original price $14,557.00Original price $14,557.00Current price $7,200.00$7,200.00 - $7,200.00Current price $7,200.00Water Pump, Model B4JRMBHS, 5" Suction x 4" Discharge Flanged, Clockwise (CW), Keyed Shaft, 13" Impeller, Mechanical Seal, Berkeley B61050
Original price $14,557.00Original price $14,557.00 - Original price $14,557.00Original price $14,557.00Current price $7,200.00$7,200.00 - $7,200.00Current price $7,200.00Save 51% -
Typically Ships in 2-3 Week | 0 in stock. Available on backorder
Water Pump B4ERBMS, 5" Suction x 4" Discharge Flanged, Counter Clockwise (CCW), Mechanical Seal, Berkeley B73027
BerkeleyOriginal price $11,961.00Original price $11,961.00 - Original price $11,961.00Original price $11,961.00Current price $6,450.00$6,450.00 - $6,450.00Current price $6,450.00Water Pump B4ERBMS, 5" Suction x 4" Discharge Flanged, Counter Clockwise (CCW), Mechanical Seal, Berkeley B73027
Original price $11,961.00Original price $11,961.00 - Original price $11,961.00Original price $11,961.00Current price $6,450.00$6,450.00 - $6,450.00Current price $6,450.00Save 46% -
0 in stock. Available on backorder
Water Pump, Model B4JRMBHS, 5" Suction x 4" Discharge Flanged, Clockwise (CW), Hydraulic Drive SAE C 4-Bolt 1-1/4" x 14T, 13" Impeller, Mechanical Seal, Berkeley B69743
BerkeleyOriginal price $14,136.00Original price $14,136.00 - Original price $14,136.00Original price $14,136.00Current price $6,965.00$6,965.00 - $6,965.00Current price $6,965.00Berkeley OEM Water Truck Pump B69743, Model B4JRMBHS, 5" x 4" Flanged Volute, Mechanical Seal, CW, Hydraulic Drive SAE C 4-Bolt with Splined Shaft ...
View full detailsOriginal price $14,136.00Original price $14,136.00 - Original price $14,136.00Original price $14,136.00Current price $6,965.00$6,965.00 - $6,965.00Current price $6,965.00Save 51%