Hydraulic Components | Pumps, Motors, Tanks & Fittings — UnitedBuilt Equipment Skip to content
Quality Water Truck Systems, Tanks & Parts Since 1947
Quality Water Truck Systems, Tanks & Parts Since 1947

Hydraulics

UnitedBuilt offers a wide range of hydraulic components designed to power and support water trucks, construction equipment, and industrial systems. Our selection includes hydraulic pumps and motors, reservoirs, fittings, adapters, and flow control components built for reliable performance in demanding applications.

We stock trusted brands such as Permco hydraulic pumps and motors, Buyers Products hydraulic tanks, and Gates hydraulic fittings, along with high-quality couplings and adapters designed specifically for water truck pump systems.

Whether you’re building a new system or maintaining existing equipment, our hydraulic components are selected for durability, compatibility, and consistent performance in real-world conditions.

All products are in stock and ready for fast shipping, helping you minimize downtime and keep your equipment operating efficiently.

Hydraulics - UnitedBuilt Equipment
  • 5 in stock

    Replacement Spring Mount Kit For UR35A, UR50A And UR50S Reservoirs, Buyers UR50MK

    Buyers
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $20.83
    $20.83 - $20.83
    Current price $20.83

    Buyers Products Replacement Spring Mount Kit for UR50A and UR50S Reservoirs replaces the springs and bolts needed to mount the tanks. Mounting brac...

    View full details
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $20.83
    $20.83 - $20.83
    Current price $20.83
  • 4 in stock

    Hydraulic Tank 37 Gallon, Steel, Side Mount, Buyers SMR37SQ

    Buyers
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $765.00
    $765.00 - $765.00
    Current price $765.00

    Buyers 37 Gallon Side Mount Steel Reservoir The 37 Gallon Steel Reservoir from Buyers Products has welded, integral brackets for mounting to the tr...

    View full details
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $765.00
    $765.00 - $765.00
    Current price $765.00
  • 5 in stock

    Hydraulic Tank 30 Gallon, Steel, Side Mount, Buyers SMR30S

    Buyers
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $465.00
    $465.00 - $465.00
    Current price $465.00

    Buyers 30 Gallon Side Mount Steel Reservoir The Buyers Products Side-Mounted Steel Reservoir features rugged, HRPO steel construction with a welded...

    View full details
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $465.00
    $465.00 - $465.00
    Current price $465.00
  • 1 in stock

    Hydraulic Tank 15 Gallon, Steel, Side Mount with Micron Filter, Buyers SMR15SF10

    Buyers
    Original price $643.72
    Original price $643.72 - Original price $643.72
    Original price $643.72
    Current price $445.00
    $445.00 - $445.00
    Current price $445.00

    Tough, durable 13 Ga HRPO steel that has been factory powder-coated for corrosion resistance. Pre-drilled for tank-mounted HFA9 series micron filt...

    View full details
    Original price $643.72
    Original price $643.72 - Original price $643.72
    Original price $643.72
    Current price $445.00
    $445.00 - $445.00
    Current price $445.00
    Save 31% Save %
  • 15 in stock

    Hydraulic Tank Flange, Filler/Breather Weld Flange Adapter

    Buyers
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $10.34
    $10.34 - $10.34
    Current price $10.34

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $10.34
    $10.34 - $10.34
    Current price $10.34
  • 20 in stock

    Oil Level Gauge with Temperature Gauge, Buyers LDR02A

    Buyers
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $20.75
    $20.75 - $20.75
    Current price $20.75

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $20.75
    $20.75 - $20.75
    Current price $20.75
  • 4 in stock

    Hydraulic Tank 35 Gallon, Aluminum, Diamond Tread, Upright Mount, Height 24" x Width 41.75" x Depth 7.95", Buyers UR35A

    Buyers
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $708.25
    $708.25 - $708.25
    Current price $708.25

    Hydraulic Tank 35 Gallon, Aluminum, Diamond Tread, Upright Mount, Height 24" x Width 41.75" x Depth 7.95", Buyers UR35A

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $708.25
    $708.25 - $708.25
    Current price $708.25
  • 0 in stock. Available on backorder

    Valve, Flow Control 51-12 SAE, 3/4" SAE ORB (-12), Max Flow 30GPM, Max Pressure 3000 PSI, Buyers HFDL075SAE

    Buyers
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $115.00
    $115.00 - $115.00
    Current price $115.00

    The Buyers HFDL075SAE Priority Flow Divider Valve is a heavy-duty hydraulic control valve designed to split and regulate oil flow between two circu...

    View full details
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $115.00
    $115.00 - $115.00
    Current price $115.00