UWLK70DMCW - 70 Gallon Upright Reservoir/Direct Mount Pump Wetline Kit CW With Steel Tank

The Upright Reservoir/Direct Mount Pump Wetline Kit from Buyers Products has everything you need to set up a dump hydraulic system. Choose from a steel, polymer, or aluminum reservoir with a 50 gal or 70 gal capacity. All versions come with a cast iron pump/valve assembly rated at 46 GPM at 1800 RPM. Specify clockwise or counterclockwise rotation based on the PTO operation. Contact Customer Service for assistance. The wetline kit includes: (1) Upright reservoir; (1) Frame bracket kit with fasteners; (1) Reservoir isolation package; (1) 46 GPM at 1800 RPM cast iron pump/valve combination with brackets; (1) 6 ft internally reinforced 1-1/4 in. suction hose; (2) 1-1/4 in. barbed adapter fittings; (2) 1-1/4 in. stainless steel hose clamps; (1) 1 in. high pressure swivel adapter; (1) 1 in. wing-type high pressure quick detach coupling; and (1) 1 in. high pressure hose, 6 ft long.

Specifications

Advanced Technical Overview: 70 Gallon Upright Reservoir/Direct Mount Pump Wetline Kit CW with Steel Tank

The Buyers Products 70 Gallon Upright Reservoir/Direct Mount Pump Wetline Kit, configured with a carbon steel tank and clockwise pump rotation, represents a robust and comprehensively engineered solution for the most demanding hydraulic dump system applications. This kit is meticulously designed to provide a complete, high-performance power take-off (PTO) driven hydraulic system, ensuring seamless integration and reliable operation for vocational trucks such as dump trucks, refuse vehicles, and other heavy-duty equipment requiring precise and powerful hydraulic actuation.

The Foundational Role of a Wetline Kit in Vocational Hydraulics

A wetline kit serves as the complete hydraulic power unit that translates mechanical energy from a truck’s engine via the PTO into hydraulic energy, enabling the operation of various implements. For dump applications, this system is paramount for lifting and lowering dump bodies or operating dump trailers. The inherent complexity of sourcing and integrating individual hydraulic components can lead to compatibility issues, performance compromises, and increased installation time. This pre-engineered wetline kit from Buyers Products meticulously addresses these challenges by offering a cohesive package where every component is specified for optimal synergy and performance. The “wetline” designation itself signifies a closed-loop hydraulic system containing fluid, hoses, pumps, and controls, all working in unison to deliver the necessary force and motion.

Detailed Analysis of the 70 Gallon Carbon Steel Upright Reservoir

The reservoir is the cornerstone of any hydraulic system, serving multiple critical functions beyond mere fluid storage. The 70-gallon capacity carbon steel upright reservoir in this kit is specifically selected for applications demanding substantial hydraulic fluid volume, effective heat dissipation, and superior durability.

Material Specification: Carbon Steel

Carbon steel is chosen for its exceptional mechanical properties and cost-effectiveness in heavy-duty environments. Key advantages include:

• Structural Integrity: Carbon steel offers high tensile strength and rigidity, making it highly resistant to physical impact, vibration, and the stresses of dynamic vehicle operation. This ensures the reservoir maintains its structural form over its operational lifespan, preventing deformation that could compromise system integrity.
• Durability and Longevity: Known for its robustness, carbon steel exhibits excellent wear resistance. While susceptible to corrosion if left unprotected, high-quality industrial-grade steel reservoirs are typically treated (e.g., painted or powder-coated) externally to provide a barrier against environmental elements, extending service life significantly.
• Thermal Management: Steel possesses good thermal conductivity, facilitating the dissipation of heat generated within the hydraulic fluid. A larger surface area, as provided by an upright design, further enhances this natural cooling capacity, which is crucial for maintaining optimal fluid operating temperatures and preventing thermal degradation of the hydraulic oil.
• Chemical Compatibility: Carbon steel is broadly compatible with a wide range of hydraulic fluids, including petroleum-based and many synthetic oils, without adverse reactions that could lead to contamination or material degradation.

The selection of carbon steel ensures that the reservoir is not only capable of housing the required fluid volume but also stands up to the rigorous demands of continuous operation in varied environmental conditions.

Volume Capacity: 70 Gallons

The 70-gallon volume is a strategic choice for heavy-duty dump applications. This larger capacity offers several operational benefits:

• Optimal Fluid Residence Time: A greater fluid volume allows for an extended residence time of the hydraulic oil within the tank. This is critical for effective de-aeration (allowing entrained air bubbles to escape), settling of contaminants, and passive cooling. Short residence times can lead to increased aeration, accelerated fluid degradation, and system inefficiency.
• Enhanced Heat Dissipation: A larger volume of fluid, combined with the material properties of steel, provides a more substantial thermal mass, enabling the system to absorb and dissipate heat more effectively. This is particularly important for applications involving continuous or high-duty cycles where fluid temperatures can rapidly increase, potentially leading to seal degradation and reduced fluid viscosity.
• Contaminant Management: A larger reservoir provides a greater volume for contaminants to settle out of the active fluid stream, allowing filtration systems to operate more efficiently and extending the life of both the fluid and system components.
• Operational Reserve: The 70-gallon capacity offers an ample reserve, accommodating variations in fluid levels due to cylinder extension/retraction and thermal expansion/contraction without risking cavitation or drawing air into the pump.

Design Configuration: Upright Position

The upright reservoir design is a pragmatic choice for chassis mounting on vocational vehicles. This configuration typically offers:

• Space Efficiency: Upright tanks occupy a smaller footprint along the frame rail, which is often a premium space commodity on commercial trucks, allowing for more versatile mounting options and preserving valuable frame space for other truck components or body integrations.
• Gravity-Assisted Suction: The elevated position of the reservoir relative to the pump in direct mount configurations can leverage gravity to aid in fluid delivery to the pump’s suction port. This reduces the risk of cavitation, especially during cold starts or high-demand operations, contributing to pump longevity and system efficiency.
• Improved Fluid Management: The vertical design can promote better fluid circulation and de-aeration compared to flatter, wider tanks, aiding in maintaining fluid quality.

While not explicitly listed, standard industrial reservoirs often feature internal baffles to prevent sloshing and aid in de-aeration, a sight glass for easy fluid level monitoring, and a robust filler/breather cap with integrated air filtration to prevent airborne contaminants from entering the system.

The High-Performance Direct Mount Pump/Valve Assembly

At the heart of this wetline kit is the integrated cast iron pump/valve assembly, a critical component engineered for robust performance and direct compatibility with the truck’s PTO system.

Pump Type and Material: Cast Iron

The selection of a cast iron pump is indicative of a focus on durability and high-pressure capability:

• Strength and Rigidity: Cast iron provides exceptional strength and rigidity, making it highly resistant to internal pressure deformation and external mechanical stresses. This ensures stable pump operation and maintains critical internal clearances over time.
• Wear Resistance: Cast iron exhibits excellent wear resistance, crucial for components subject to continuous fluid flow and internal friction. This contributes significantly to the pump’s long service life, even under harsh operating conditions.
• Vibration Damping: The inherent properties of cast iron provide superior vibration damping characteristics compared to lighter materials. This reduces operational noise and minimizes the transfer of vibration to other system components and the vehicle chassis.

Mounting Configuration: Direct Mount

The direct mount design offers distinct advantages for hydraulic system efficiency and reliability:

• Optimized Efficiency: By directly coupling the pump to the PTO, power losses associated with intermediate drive shafts or remote mounting systems are minimized. This translates to more efficient energy transfer and reduced fuel consumption.
• Reduced Cavitation Risk: Direct mounting typically allows for shorter suction lines and fewer bends, significantly reducing pressure drop on the suction side of the pump. This minimizes the risk of cavitation, a destructive phenomenon caused by vaporizing fluid that can severely damage pump components and degrade system performance.
• Compact Footprint: Direct mounting eliminates the need for additional mounting brackets and support structures for a remote pump, resulting in a more compact and streamlined installation.
• Simplified Installation: The absence of complex drive shafts and additional hose runs simplifies the installation process, reducing labor time and potential points of failure.

Performance Metrics: 46 GPM at 1800 RPM

These specifications define the operational capabilities of the hydraulic power unit:

• Flow Rate (46 GPM): A flow rate of 46 Gallons Per Minute (GPM) is substantial for dump applications, ensuring rapid cycle times for raising and lowering dump bodies or trailers. Higher flow rates translate directly into increased productivity and reduced operational wait times, which are critical in commercial applications. This flow rate is sufficient to accommodate large-volume cylinders with efficient actuation.
• Engine Speed (1800 RPM): The stated flow rate is achieved at 1800 RPM, which is a typical engine speed for PTO engagement in many commercial vehicles. This allows the system to operate at peak efficiency during common operational scenarios without requiring excessive engine throttling, contributing to fuel economy and reduced engine wear. The pump's volumetric efficiency at this RPM is optimized for the intended application.

Pump Rotation: Clockwise (CW)

The specified clockwise rotation is a critical detail that ensures compatibility with the vehicle's PTO output shaft. PTOs can rotate in either direction, and matching the pump's rotation direction is absolutely essential for correct operation. Installing a counter-clockwise pump on a clockwise PTO, or vice-versa, will result in pump damage and system failure. The "CW" designation in this kit guarantees seamless integration with standard clockwise rotating PTOs, eliminating guesswork and potential installation errors.

Integrated Valve Functionality

The "pump/valve combination" indicates a unified unit that typically includes:

• Directional Control Valve: To control the flow of hydraulic fluid to extend (raise) or retract (lower) the dump cylinder.
• Relief Valve: A critical safety component that protects the system from over-pressurization by diverting excess fluid back to the reservoir when a preset pressure limit is exceeded, preventing damage to the pump, cylinder, and hoses.
• Check Valve: To prevent backflow and hold the load in position when the pump is not operating.

The integration of these functions into a single unit simplifies plumbing, reduces potential leak points, and provides a compact, factory-tuned solution.

Comprehensive Component Breakdown and Technical Significance

Beyond the core reservoir and pump, the wetline kit includes a carefully curated selection of components, each playing a vital role in the system’s overall performance, safety, and longevity.

Frame Bracket Kit with Fasteners

Proper mounting is paramount for safety and system integrity. The included frame bracket kit and fasteners are designed to securely affix the upright reservoir to the truck's chassis, ensuring it remains stable under dynamic loads, vibration, and road shocks. These brackets are typically constructed from heavy-gauge steel, offering robust support and corrosion resistance to withstand environmental exposure.

Reservoir Isolation Package

The reservoir isolation package is a critical detail for enhancing durability and reducing noise. It typically comprises rubber isolators or dampeners positioned between the reservoir and its mounting brackets. These components:

• Vibration Damping: Absorb and dampen vibrations generated by the vehicle’s engine, drivetrain, and road conditions, preventing them from being directly transmitted to the reservoir and the hydraulic fluid, which can cause aeration and component fatigue.
• Noise Reduction: Minimize noise transfer, contributing to a quieter operating environment.
• Stress Reduction: Reduce stress concentrations on the reservoir and its mounting points, extending the lifespan of both the tank and the chassis structure.

6 ft Internally Reinforced 1-1/4 in. Suction Hose

The suction hose is a critical link in the hydraulic circuit, responsible for conveying fluid from the reservoir to the pump's inlet. Its specifications are crucial for preventing cavitation:

• Diameter (1-1/4 in.): This generous internal diameter ensures a low-velocity flow of fluid, minimizing pressure drop at the pump inlet. Excessive pressure drop on the suction side is the primary cause of cavitation.
• Length (6 ft): An adequate length for typical direct-mount installations, allowing for proper routing while minimizing unnecessary bends and length, which could increase resistance.
• Internally Reinforced: This reinforcement (often textile braiding or spiral wire) is essential. It prevents the hose from collapsing under the vacuum created by the pump, especially when the fluid is cold and viscous, or when the system is operating at high flow rates. Collapse would restrict fluid flow and induce severe cavitation.
• Material: Constructed from a robust, oil-resistant synthetic rubber compound designed to withstand hydraulic fluid, temperature variations, and external abrasion.

1-1/4 in. Barbed Adapter Fittings (x2) & 1-1/4 in. Stainless Steel Hose Clamps (x2)

These components ensure a secure, leak-free connection for the suction hose:

• Barbed Fittings: Designed with multiple ridges to create a tight seal when inserted into the hose, providing excellent grip and preventing dislodgment. The 1-1/4 inch size matches the suction hose.
• Stainless Steel Hose Clamps: Stainless steel is chosen for its superior corrosion resistance, ensuring a durable and long-lasting seal, especially in environments exposed to moisture, salt, and chemicals. The clamps provide the radial compression necessary to secure the hose tightly over the barbed fittings, preventing leaks and air ingress.

1 in. High Pressure Swivel Adapter

The high-pressure swivel adapter is an indispensable component for flexibility and longevity in the high-pressure line:

• Rotational Freedom: Allows for 360-degree rotation at the connection point, preventing hose kinking and twisting during installation or operation. This significantly reduces torsional stress on the hose, extending its service life and preventing premature failure.
• Simplified Routing: Facilitates easier routing of high-pressure hoses in confined spaces by allowing the hose to be positioned optimally without stressing the connection.
• Pressure Rating: Engineered to withstand the high operating pressures of the hydraulic system, ensuring integrity and safety.

1 in. Wing-Type High Pressure Quick Detach Coupling

This coupling is a hallmark of versatility and convenience, particularly for systems that frequently connect and disconnect external implements, such as dump trailers:

• Rapid Connection/Disconnection: The "quick detach" feature allows for swift and tool-free attachment and removal of the high-pressure hose, maximizing operational efficiency.
• Wing-Type Design: The distinctive "wing" handles provide an ergonomic grip, making connection and disconnection easy, even when wearing gloves or in challenging conditions. This design is rugged and well-suited for heavy-duty applications.
• Positive Sealing: Equipped with poppet or ball valves that automatically close upon disconnection, minimizing fluid loss and preventing contamination when the system is decoupled.
• High Pressure Capability: Constructed from hardened steel with robust sealing mechanisms to reliably contain the system's high operating pressures without leakage.

1 in. High Pressure Hose, 6 ft long

The high-pressure hose is designed to safely and efficiently transmit pressurized hydraulic fluid to the point of actuation:

• Diameter (1 in.): Optimized to handle the flow rate and pressure of the system with minimal pressure drop, ensuring efficient power delivery to the cylinder.
• Length (6 ft): A standard length suitable for connecting the pump/valve assembly to the quick detach coupling in many vehicle configurations.
• Construction: Typically features multiple layers of synthetic rubber reinforced with high-tensile steel wire braiding (e.g., one or two-wire braid). This multi-layer construction provides exceptional burst strength, abrasion resistance, and flexibility while maintaining pressure integrity.
• Material: The inner tube is made of an oil-resistant compound, while the outer cover protects against abrasion, ozone, and weathering.

Applications and Operational Context

This 70 Gallon Upright Reservoir/Direct Mount Pump Wetline Kit is engineered for a broad spectrum of heavy-duty vocational applications where reliable and powerful hydraulic actuation is paramount:

• Dump Trucks and Trailers: The primary application, enabling efficient raising and lowering of dump bodies and the hydraulic activation of dump trailer cylinders.
• Refuse Vehicles: For compactors and lifters requiring consistent hydraulic power.
• Snowplows and Spreaders: Providing the hydraulic force for blade articulation and material spreading mechanisms.
• Roll-Off Trucks: Powering the lifting and loading mechanisms for containers.
• Other Vocational Equipment: Any heavy-duty truck requiring a robust PTO-driven hydraulic power source for auxiliary equipment.

Installation and Maintenance Considerations

While designed for straightforward installation, optimal performance and longevity require adherence to best practices:

• Professional Installation: It is recommended that installation be performed by qualified technicians familiar with hydraulic systems and commercial vehicle integration.
• Fluid Selection: Use only high-quality hydraulic fluid specified by the vehicle or equipment manufacturer, ensuring correct viscosity, anti-wear properties, and temperature range.
• System Flushing: Prior to initial operation, the system should be thoroughly flushed to remove any manufacturing debris.
• Bleeding and Priming: Proper bleeding of air from the system is crucial to prevent pump damage and ensure smooth operation. The pump must be primed according to manufacturer guidelines.
• Routine Inspections: Regular checks of fluid levels, hose integrity, connection tightness, and filter cleanliness are vital. Filters (though external to this kit, essential for system health) should be replaced per manufacturer recommendations.
• Reservoir Cleanliness: Keep the exterior of the reservoir clean to maximize heat dissipation. Internally, ensure the fluid remains free of contaminants.
• Pressure Monitoring: Periodically monitor system pressures to ensure they remain within design parameters, indicating healthy pump and valve operation.

Conclusion

The Buyers Products 70 Gallon Upright Reservoir/Direct Mount Pump Wetline Kit with a carbon steel tank and clockwise pump rotation is a meticulously engineered, high-capacity hydraulic power solution. Its robust construction, high-performance pump/valve assembly, and comprehensive component selection ensure unparalleled reliability, efficiency, and longevity in the most demanding commercial applications. By providing a complete, pre-matched system, this kit streamlines installation, minimizes potential compatibility issues, and delivers the consistent hydraulic power necessary for efficient and safe operation of dump systems and other auxiliary truck equipment. This investment in a purpose-built solution ultimately contributes to increased productivity, reduced downtime, and enhanced operational safety for any vocational fleet.