UWLK50PDMCW - 50 Gallon Upright Reservoir/Direct Mount Pump Wetline Kit CW With Poly 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: The 50 Gallon Upright Polyethylene Reservoir/Direct Mount Pump Wetline Kit (Clockwise Rotation)

In the demanding realm of heavy-duty mobile hydraulics, the efficiency, reliability, and robust construction of critical components are paramount. The Buyers Products 50 Gallon Upright Reservoir/Direct Mount Pump Wetline Kit, specifically configured with a polyethylene tank and clockwise pump rotation, represents a comprehensive and highly engineered solution designed to meet the rigorous operational demands of dump body applications, refuse vehicles, snowplows, and other auxiliary hydraulic systems requiring a dedicated power take-off (PTO) driven hydraulic circuit. This kit integrates a meticulously selected array of components, each optimized for performance and longevity, ensuring seamless integration and superior functional output.

Understanding the Hydraulic Wetline System

A hydraulic wetline system is the lifeline for auxiliary hydraulic functions on commercial vehicles. It essentially creates a dedicated hydraulic circuit that draws power from the vehicle's transmission via a PTO. The fluid is stored in a reservoir, pressurized by a pump, directed by a valve to an actuator (e.g., a hydraulic cylinder for a dump body), and then returned to the reservoir. The integrity and performance of each component within this circuit directly impact the speed, strength, and precision of the hydraulic function. This particular kit is engineered to simplify the setup of such a system, providing a harmonized package that minimizes installation complexity and maximizes operational efficacy.

The Polyethylene Upright Reservoir: Engineering for Durability and Efficiency

The cornerstone of this wetline kit is its 50-gallon upright polyethylene reservoir. The selection of polyethylene as the reservoir material is a deliberate engineering choice, offering a compelling array of advantages over traditional metal alternatives, particularly in applications where weight, corrosion resistance, and specific environmental factors are critical considerations.

Material Science: Polyethylene Advantages

• Exceptional Corrosion Resistance: Unlike steel or aluminum, polyethylene is inherently non-corrosive. This property is crucial for hydraulic systems, as it prevents the formation of rust and scale, which can contaminate hydraulic fluid, accelerate wear on pumps and valves, and ultimately lead to system failure. This makes it ideal for vehicles operating in harsh environments, such as those exposed to road salts, chemicals, or high humidity.
• Reduced Weight: Polyethylene boasts a significantly lower specific gravity compared to metals. A 50-gallon polyethylene tank is considerably lighter than its steel or aluminum counterpart, contributing to overall vehicle weight reduction. This translates to improved fuel efficiency, increased payload capacity, and reduced wear on vehicle suspension and tires, offering substantial operational cost savings over the vehicle's lifespan.
• Impact Resistance and Durability: Modern high-density polyethylenes (HDPE) used in industrial applications exhibit excellent impact strength and resilience. They are less prone to denting, cracking, or fatigue from vibrations and minor impacts that heavy-duty vehicles frequently encounter. This inherent flexibility allows the tank to absorb shocks without permanent deformation, enhancing the system's robustness in demanding off-road or construction environments.
• Thermal Stability: Polyethylene reservoirs are designed to perform reliably across a wide range of operating temperatures. While hydraulic fluid generates heat, the material's properties ensure structural integrity is maintained. Furthermore, the material itself does not contribute to thermal conductivity in the same way metals do, helping to maintain stable fluid temperatures.
• Chemical Compatibility: Polyethylene exhibits broad chemical compatibility with standard hydraulic fluids, ensuring no degradation of the reservoir material or contamination of the fluid over time.
• Cost-Effectiveness: Manufacturing processes for polyethylene tanks, such as rotational molding, can be highly efficient, leading to a cost-effective solution without compromising performance or durability.

Upright Design and 50-Gallon Capacity

The upright configuration of the reservoir is engineered for optimal space utilization on the vehicle chassis. This design allows for a smaller footprint compared to horizontal tanks of equivalent volume, facilitating easier integration into crowded vehicle frames. The 50-gallon capacity is carefully selected to provide an ample volume of hydraulic fluid, critical for several reasons:

• Adequate Fluid Supply: Ensures a sufficient reserve of fluid for the complete stroke of large hydraulic cylinders, preventing cavitation and ensuring consistent pump operation.
• Thermal Management: A larger fluid volume inherently possesses greater thermal mass, which aids in dissipating heat generated during hydraulic operation. This helps to maintain optimal operating temperatures for the hydraulic fluid, preventing premature degradation of seals, hoses, and the fluid itself, thereby extending the lifespan of the entire hydraulic system.
• Fluid Conditioning: A larger reservoir allows for better fluid conditioning, providing more residence time for entrained air to escape and for contaminants to settle, which can then be captured by the system's filtration.

The reservoir is further complemented by a Reservoir Isolation Package. This critical component minimizes vibration transfer from the vehicle chassis to the reservoir, mitigating stress on the tank, fittings, and hoses. It also helps to prevent galvanic corrosion where dissimilar materials might otherwise be in contact, ensuring long-term structural integrity and reducing noise.

The Direct Mount Pump/Valve Combination: Precision and Power

At the heart of the hydraulic power generation for this kit is the robust 46 GPM at 1800 RPM cast iron pump/valve combination. This direct-mount unit is a testament to engineering efficiency, integrating two critical hydraulic functions into a single, compact assembly.

Pump Characteristics: Cast Iron Durability and Performance

• Material Excellence (Cast Iron): The use of cast iron for the pump housing is a standard in heavy-duty hydraulic applications due to its exceptional strength, rigidity, and resistance to wear and fatigue. Cast iron provides superior dimensional stability under high pressures and varying temperatures, ensuring consistent internal clearances and maintaining volumetric efficiency over extended operational periods. Its inherent dampening properties also contribute to reduced noise and vibration.
• Performance Specifications (46 GPM at 1800 RPM): The flow rate of 46 Gallons Per Minute (GPM) at an engine speed of 1800 RPM indicates a powerful pump capable of rapidly cycling dump bodies and other large actuators. This flow rate is meticulously matched to the typical power requirements of heavy-duty dump applications, ensuring quick and efficient operation without excessive system pressure or fluid heating. The specification at 1800 RPM is crucial as it directly correlates to the engine's PTO operating speed, allowing for precise system design and performance prediction.
• Direct Mount Configuration: The direct mount design offers several significant advantages. By eliminating intermediate drive shafts, universal joints, and complex mounting brackets, it reduces the number of potential failure points, simplifies installation, and improves overall system efficiency by minimizing power losses. This configuration ensures a rigid, aligned connection between the PTO output shaft and the pump input shaft, leading to smoother operation, reduced vibration, and extended component life.

Integrated Valve Assembly: Control and Simplicity

The integration of the control valve directly with the pump body is a key feature, offering a streamlined approach to hydraulic circuit control.

• Reduced Plumbing: Combining the pump and valve into a single unit significantly reduces the need for external plumbing, decreasing the number of hoses, fittings, and potential leakage points. This enhances system reliability and simplifies maintenance.
• Compact Design: The integrated unit presents a more compact footprint, which is invaluable in the confined spaces of vehicle chassis, allowing for easier mounting and optimizing available space.
• Optimized Performance: The pump and valve are engineered to work in harmony, ensuring efficient flow routing and precise control over the hydraulic actuator. Many integrated units include essential features like relief valves to protect the system from over-pressurization and check valves to prevent backflow.

Clockwise Pump Rotation (CW)

The designation of "Clockwise" (CW) pump rotation is a critical specification. Hydraulic pumps are designed for a specific direction of rotation relative to their input shaft, dictated by the internal gearing or vane/piston orientation. This rotation must precisely match the rotational output of the vehicle's Power Take-Off (PTO) unit. Operating a hydraulic pump in the incorrect direction will prevent it from generating pressure and can lead to immediate damage to the pump. This kit is specifically configured for CW rotating PTOs, which are common in many heavy-duty truck transmissions. For applications requiring a counter-clockwise rotation, alternative kits or pump configurations would be necessary, underscoring the importance of verifying PTO specifications before selection.

Comprehensive Hose and Fitting Package: Ensuring System Integrity

A hydraulic system is only as strong as its weakest link, and the quality of hoses and fittings plays a pivotal role in overall system integrity, efficiency, and safety. This wetline kit includes a meticulously chosen set of components to ensure robust fluid transfer.

Suction Line Components

• (1) 6 ft Internally Reinforced 1-1/4 in. Suction Hose: The suction line is arguably one of the most critical parts of a hydraulic circuit. A 1-1/4 inch diameter is selected to ensure minimal pressure drop and adequate flow velocity, preventing cavitation at the pump inlet. Cavitation, caused by insufficient fluid supply to the pump, can severely damage pump internals. The internal reinforcement is crucial to prevent the hose from collapsing under the negative pressure (vacuum) created by the pump, especially when fluid viscosity is high (e.g., cold weather) or if the reservoir is positioned below the pump. The 6-foot length provides sufficient reach for flexible routing while minimizing excess hose length that could contribute to pressure drop.
• (2) 1-1/4 in. Barbed Adapter Fittings: These fittings provide a secure and leak-free connection between the suction hose and the reservoir/pump inlet. The barbed design creates a strong mechanical grip on the inside diameter of the hose, ensuring high retention force.
• (2) 1-1/4 in. Stainless Steel Hose Clamps: Paired with the barbed fittings, these stainless steel clamps provide the essential radial compression to seal and secure the suction hose connection. Stainless steel is chosen for its superior corrosion resistance, ensuring long-term reliability even in challenging outdoor environments where exposure to moisture and contaminants is common.

High-Pressure Line Components

• (1) 6 ft Long, 1 in. High Pressure Hose: This hose is designed to withstand the significant pressures generated by the hydraulic pump. The 1-inch diameter is sized to efficiently carry the 46 GPM flow with minimal pressure drop, ensuring that maximum hydraulic power is delivered to the actuator. Constructed with multiple layers of reinforcement (typically steel wire braid or spiral-wound layers), this hose meets or exceeds industry standards (e.g., SAE J517) for burst pressure and working pressure, ensuring safe and reliable operation. The 6-foot length offers flexibility for various installations, allowing connection from the pump/valve assembly to the quick-detach coupling.
• (1) 1 in. High Pressure Swivel Adapter: Swivel adapters are invaluable in hydraulic connections. This 1-inch adapter allows for rotational movement between components, significantly reducing torsional stress on the high-pressure hose. Torsional stress is a major cause of premature hose failure, making this component critical for extending hose life and preventing leaks. It also simplifies installation by allowing components to be tightened without needing to twist the hose itself.
• (1) 1 in. Wing-Type High Pressure Quick Detach Coupling: This quick-detach coupling is a cornerstone of operational efficiency and safety, especially in applications involving detachable trailers or implements. The wing-type design provides an ergonomic and secure locking mechanism, allowing operators to rapidly connect and disconnect the high-pressure hydraulic line with minimal effort and without the need for tools. Its high-pressure rating ensures full system compatibility. Key benefits include:
  • Rapid Deployment: Facilitates quick attachment and detachment of hydraulic lines to dump trailers or other accessories, saving valuable time during operations.
  • Minimized Fluid Loss: Designed with internal valving, these couplings minimize hydraulic fluid spillage upon disconnection, promoting environmental responsibility and reducing system contamination.
  • Enhanced Safety: The secure locking mechanism prevents accidental disconnections during operation, while the ability to quickly detach lines can be crucial in emergency situations.
  • Contamination Control: When disconnected, the coupling provides a sealed interface, protecting the hydraulic system from ingress of dirt, moisture, and other contaminants.

Frame Bracket Kit with Fasteners: Secure and Stable Mounting

The inclusion of a complete frame bracket kit with all necessary fasteners underscores the comprehensive nature of this wetline kit. Proper mounting of the reservoir and pump assembly is paramount for system longevity and operational safety.

• Robust Construction: The brackets are engineered from high-strength materials (typically steel) to withstand the dynamic loads, vibrations, and stresses inherent in heavy-duty vehicle operation.
• Optimized Design: The design ensures secure attachment to the vehicle's frame, distributing weight and forces effectively.
• Vibration Dampening: When used in conjunction with the reservoir isolation package, these brackets contribute to minimizing vibrational transfer, protecting all hydraulic components from fatigue.
• Ease of Installation: Pre-engineered brackets and fasteners simplify the installation process, reducing the need for custom fabrication and ensuring a professional, secure setup.

System Integration and Operational Benefits

The Buyers Products 50 Gallon Upright Reservoir/Direct Mount Pump Wetline Kit is more than just a collection of parts; it is a fully integrated hydraulic solution designed for optimal performance in demanding applications.

• Turnkey Solution: This comprehensive kit provides virtually everything required for a complete hydraulic dump system setup, eliminating the hassle of sourcing individual components and ensuring compatibility.
• Enhanced Efficiency: The direct mount pump minimizes power losses, while properly sized hoses and a sufficient reservoir capacity ensure efficient fluid transfer and thermal management. This translates to faster cycle times for dump operations and reduced energy consumption.
• Unmatched Durability: From the corrosion-resistant polyethylene reservoir to the robust cast iron pump and stainless steel fittings, every component is selected for maximum lifespan and resilience in harsh operating conditions.
• Simplified Maintenance: The integrated pump/valve design reduces potential leak points and complexity. The quick-detach coupling facilitates easy connection/disconnection for trailer use or system servicing.
• Optimized Space Utilization: The upright reservoir and direct-mount pump minimize the footprint required on the vehicle chassis, leaving valuable space for other equipment.
• Safety and Reliability: High-pressure rated components, secure fastening systems, and fluid contamination control features contribute to a safer and more reliable operational environment.

Applications

This specific wetline kit configuration is ideally suited for a wide range of heavy-duty mobile applications, including but not limited to:

• Single and tandem axle dump trucks requiring power for dump bodies.
• Commercial vehicles needing hydraulic power for live-bottom trailers or walking floor systems.
• Roll-off trucks and hook-lift systems.
• Agricultural and construction equipment requiring auxiliary hydraulic functions.

Conclusion

The Buyers Products 50 Gallon Upright Reservoir/Direct Mount Pump Wetline Kit with a polyethylene tank and clockwise pump rotation stands as an exemplary solution for robust, efficient, and reliable hydraulic power in heavy-duty mobile applications. Its meticulously engineered components, from the advanced polyethylene reservoir offering superior corrosion resistance and weight savings, to the powerful cast iron direct-mount pump/valve combination delivering precise flow at 46 GPM, and the comprehensive array of high-quality hoses and fittings, collectively provide a system optimized for long-term performance and ease of integration. This kit represents a strategic investment for operators seeking to maximize productivity, minimize downtime, and ensure the safe and consistent operation of their hydraulic systems.