The Side-Mount Reservoir/Direct Mount Pump Wetline Kit from Buyers Products has everything you need to set up a hydraulic system for dump applications. Choose from a steel or polymer reservoir with a 50 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) Side mount reservoir; (1) Reservoir bracket kit with fasteners; (1) 46 GPM at 1800 RPM cast iron pump/valve combination with brackets; (1) Internally reinforced 1-1/4 in. suction hose, 6 ft long; (2) 1-1/4 in. barbed adapter fittings; (2) 1-1/4 in. stainless steel hose clamps; (1) 1-1/2 in. by 1-1/4 in. reducing bushing; (1) 1 in. high pressure swivel adapter; (1) 1 in. wing-type high pressure quick detach coupler; (1) 1 in. high pressure hose, 6 ft long.
Specifications
| Direct or Remote Mount | Direct Mount |
|---|---|
| Flow at 1800 RPM | 46 |
| Pump Rotation | Clockwise |
| Reservoir Material | Polyethylene |
| Reservoir Position | Side Mount |
| Reservoir Volume | 50 |
The 50 Gallon Side-Mount Reservoir/Direct Mount Pump Wetline Kit with a Poly Tank and Clockwise (CW) rotation, offered by Buyers Products, represents a meticulously engineered hydraulic solution designed for the rigorous demands of commercial dump applications. This comprehensive system is specifically configured to provide the essential hydraulic power for the controlled and efficient operation of dump bodies, trailers, and other auxiliary equipment requiring substantial fluid power. By integrating a high-capacity reservoir with a robust direct-mount pump and all necessary ancillary components, this kit streamlines the installation process, reduces potential compatibility issues, and ensures reliable performance in demanding operational environments.
Fundamentals of a Hydraulic Wetline System for Dump Applications
A wetline kit, at its core, constitutes a complete hydraulic circuit designed to transmit power from a vehicle's engine, via a Power Take-Off (PTO) unit, to a hydraulic actuator, typically a telescopic cylinder in a dump application. The principle relies on Pascal's law, where pressure applied to an enclosed fluid is transmitted undiminished to every portion of the fluid and the walls of the containing vessel. For dump trucks, this hydraulic force is indispensable for lifting heavy loads contained within the dump body. The kit ensures that all critical components required for this operation are supplied, pre-selected for optimal compatibility and performance, including the fluid reservoir, hydraulic pump, control valve, hoses, and fittings. The primary benefits of an integrated, pre-engineered kit like this include reduced installation time, guaranteed component compatibility, and enhanced system reliability compared to sourcing individual components.
The Polyethylene Side-Mount Reservoir: Capacity and Material Science
Reservoir Volume and Sizing Considerations
Central to this wetline kit is the 50-gallon polyethylene reservoir. The selection of a 50-gallon capacity is critical for dump applications, where fluid volume directly impacts system performance and longevity. Adequate reservoir volume serves multiple crucial functions: it provides sufficient hydraulic fluid for the system's operational needs, acts as a heat exchanger to dissipate thermal energy generated during operation, allows for adequate fluid residence time for de-aeration, and facilitates gravitational separation of contaminants. In high-cycle or prolonged dump operations, insufficient reservoir volume can lead to rapid fluid degradation due to overheating, increased air entrainment, and accelerated wear on pump components from poor lubrication and cavitation. The 50-gallon capacity is specifically chosen to meet the volumetric and thermal management requirements typical of medium to heavy-duty dump applications, ensuring stable operating temperatures and fluid conditioning.
Polyethylene Material Advantages
The choice of polyethylene for the reservoir material offers several distinct advantages over traditional metallic reservoirs. Polyethylene, a thermoplastic polymer, provides exceptional resistance to corrosion, both from the hydraulic fluid itself and from external environmental factors such as road salts, chemicals, and moisture. This inherent corrosion resistance significantly extends the lifespan of the reservoir, reducing maintenance requirements and preventing system contamination from rust particles. Furthermore, polyethylene is significantly lighter than steel, contributing to overall vehicle weight reduction, which can translate into improved fuel efficiency and increased payload capacity. Its inherent elasticity provides good impact resistance, making it less prone to denting or cracking from minor impacts compared to rigid steel. The material also exhibits excellent dielectric properties, meaning it does not conduct electricity, which can be a safety advantage. While polyethylene has a lower thermal conductivity than steel, the ample surface area of a 50-gallon side-mount design, combined with effective system design, effectively manages heat dissipation for the specified application. Advanced UV stabilizers are incorporated into the polymer during manufacturing to mitigate potential degradation from prolonged sun exposure, ensuring color stability and mechanical integrity over time. The manufacturing process, typically rotomolding or blow molding, allows for seamless construction, minimizing potential leak points inherent in welded metallic reservoirs.
Side-Mount Design and Integration
The side-mount configuration of the reservoir is strategically designed for optimal integration onto commercial truck chassis. This positioning maximizes available frame space, an increasingly valuable commodity on modern vocational vehicles equipped with various auxiliary systems. Side mounting allows for convenient access for fluid level checks, filling, and potential maintenance, while contributing to a lower overall center of gravity for the vehicle, enhancing stability, especially when operating on uneven terrain or during dump cycles. The kit includes a robust reservoir bracket kit with all necessary fasteners, engineered to securely anchor the reservoir to the vehicle's frame, capable of withstanding significant dynamic forces, vibrations, and shock loads encountered during heavy-duty operation. These brackets are typically made from high-strength steel with corrosion-resistant coatings, ensuring long-term structural integrity.
The Direct Mount Pump and Valve Assembly: Power and Precision
Direct Mount Configuration Benefits
The hydraulic power unit of this kit features a direct mount pump/valve combination. This configuration offers superior efficiency and reliability compared to remote-mount systems. In a direct mount setup, the hydraulic pump is directly coupled to the Power Take-Off (PTO) unit of the vehicle’s transmission, eliminating the need for intermediate drive shafts, couplings, and additional mounting hardware. This direct connection minimizes mechanical power losses, reduces potential points of failure (such as misalignment or worn universal joints), and results in a more compact, streamlined installation. The direct transfer of torque from the PTO to the pump enhances overall system efficiency and responsiveness, which is critical for the rapid and controlled operation required in dump applications. The absence of a separate drive shaft also frees up valuable chassis space and simplifies maintenance.
Cast Iron Pump Construction and Performance
The kit incorporates a cast iron pump/valve assembly, rated for 46 Gallons Per Minute (GPM) at 1800 RPM. Cast iron is the material of choice for the pump housing and internal components due to its exceptional strength, rigidity, wear resistance, and excellent thermal conductivity. These properties contribute to the pump's long service life, even under high pressures and continuous operation. While the specific pump type is not detailed, for these flow rates and applications, it is typically a robust gear pump (either external or internal). Gear pumps are volumetric pumps known for their simplicity, reliability, and tolerance to fluid contamination. They operate by trapping fluid between the teeth of meshing gears and forcing it out through the discharge port as the gears rotate. The 46 GPM flow rate at 1800 RPM is a critical specification, as it dictates the speed at which hydraulic cylinders can extend or retract. For a dump application, a higher flow rate translates directly into faster cycle times, increasing operational efficiency and productivity. For example, a system requiring 25 gallons to fully extend a dump cylinder would complete the operation in approximately 32 seconds at 46 GPM (25 gallons / 46 GPM * 60 seconds/minute), assuming no losses, highlighting the importance of this flow rate for rapid deployment.
Integrated Valve Assembly
The pump includes an integrated valve assembly, which typically comprises a directional control valve and a relief valve. The directional control valve manages the flow of hydraulic fluid to and from the actuator, dictating whether the dump body lifts, lowers, or holds its position. The relief valve is a crucial safety and operational component; it is designed to open and bypass fluid back to the reservoir when the system pressure exceeds a predetermined maximum, protecting the pump, hoses, and cylinder from over-pressurization and potential damage. Integrating these valves directly with the pump simplifies plumbing, reduces the number of connections (thus minimizing potential leak points), and provides a compact, factory-calibrated unit for optimal performance.
Clockwise Rotation (CW)
The specification of clockwise (CW) pump rotation is paramount for system compatibility. The rotation direction of the hydraulic pump must precisely match the output rotation of the vehicle’s PTO. Installing a counter-clockwise pump on a clockwise PTO output (or vice-versa) will result in no fluid pumping and potential damage to the pump. This explicit specification ensures correct functionality and prevents installation errors, underscoring the importance of verifying the PTO's characteristics before selecting the wetline kit.
The Hydraulic Conduit System: Hoses, Fittings, and Couplers
The integrity and performance of any hydraulic system heavily rely on its fluid conveyance components. This kit includes a meticulously selected set of hoses, fittings, and couplers to ensure efficient and leak-free operation.
Suction Hose Assembly
The kit features a 1-1/4 inch, internally reinforced suction hose, 6 feet long. The suction line is arguably the most critical hose in a hydraulic system as it feeds fluid from the reservoir to the pump. Its larger diameter (1-1/4 inch) is essential to minimize pressure drop at the pump inlet, which helps prevent cavitation. Cavitation occurs when the absolute pressure at the pump inlet drops below the vapor pressure of the hydraulic fluid, causing vapor bubbles to form and then rapidly collapse, leading to erosion of pump components, increased noise, and reduced efficiency. The "internally reinforced" construction is vital; it prevents the hose from collapsing under the vacuum created by the pump's suction, especially when fluid viscosity is high (e.g., in cold weather). The 6-foot length offers sufficient flexibility for routing while keeping the suction line as short and direct as possible, which is best practice for minimizing pressure drop.
High Pressure Hose Assembly
A 1 inch, high pressure hose, 6 feet long, is supplied for the pressure side of the circuit, connecting the pump/valve assembly to the hydraulic cylinder's input port. This hose is engineered to withstand the significant pressures generated by the pump during lifting operations. Typically, high-pressure hydraulic hoses feature multiple layers of reinforcement, commonly steel wire braiding or spiral-wound layers, embedded within a synthetic rubber or thermoplastic elastomer matrix. This construction provides the necessary burst strength and fatigue resistance for dynamic hydraulic applications. The 1-inch diameter is sized to optimize flow velocity and minimize pressure losses while handling the 46 GPM flow, ensuring efficient power transfer to the dump cylinder.
Fittings and Connectors
The kit includes a comprehensive array of fittings and connectors designed for secure and efficient assembly:
- 1-1/4 inch Barbed Adapter Fittings (2): These robust fittings create a secure connection between the suction hose and the reservoir/pump. Barbed fittings provide a strong mechanical grip on the inside diameter of the hose, preventing slippage under low-pressure suction conditions.
- 1-1/4 inch Stainless Steel Hose Clamps (2): Complementing the barbed fittings, these clamps provide external compression to seal the suction hose tightly, preventing air ingress or fluid leakage. Stainless steel construction ensures corrosion resistance and long-term durability in harsh environments.
- 1-1/2 inch by 1-1/4 inch Reducing Bushing (1): This component allows for seamless adaptation between different port sizes, typically connecting the suction line to the reservoir or pump port, ensuring a smooth transition for fluid flow without creating unnecessary turbulence or restrictions.
- 1 inch High Pressure Swivel Adapter (1): A swivel adapter is invaluable for high-pressure lines, allowing for rotational movement of the hose connection. This feature simplifies hose routing, prevents twisting and kinking of the hose (which can lead to premature failure), and facilitates easier connection and disconnection of implements.
- 1 inch Wing-Type High Pressure Quick Detach Coupler (1): This quick-disconnect coupler is a critical component for operational efficiency and safety. It allows for rapid and tool-free connection and disconnection of the hydraulic lines from the dump trailer or auxiliary equipment. The "wing-type" design provides an ergonomic grip for easy manual operation. These couplers are designed to minimize fluid loss during disconnection and prevent air ingress during connection, maintaining system cleanliness and reducing environmental impact. They are engineered to withstand high pressures while providing a reliable, leak-free seal when connected.
Installation, Operational Excellence, and Maintenance
Installation Best Practices
The comprehensive nature of this kit significantly simplifies installation. However, adherence to best practices is paramount. Proper mounting of the reservoir and pump unit, ensuring robust mechanical stability, is critical to absorb vibrations and shock loads. Hose routing should minimize tight bends and avoid potential abrasion points, using adequate support clamps. All connections must be tightened to manufacturer specifications to prevent leaks. After installation, the system must be properly bled of air to prevent cavitation and ensure smooth operation. Filling the reservoir with the correct type and grade of hydraulic fluid, as specified by the vehicle or implement manufacturer, is non-negotiable for optimal performance and longevity.
Operational Considerations
The system's 46 GPM flow rate ensures efficient operation of dump functions. Operators should always be aware of the system's maximum operating pressure and avoid exceeding it. The integral relief valve protects against over-pressurization, but consistent operation at or near the relief setting can generate excessive heat and stress system components. Monitoring fluid levels and temperatures during operation is advisable, especially during extended or heavy-duty cycles, to ensure the system operates within its optimal parameters.
Maintenance and Longevity
Regular preventative maintenance is key to maximizing the lifespan and reliability of the wetline kit. This includes:
- Fluid Quality Management: Periodically checking hydraulic fluid for contamination (water, particles) and degradation (oxidation, viscosity changes). Regular fluid changes, in accordance with manufacturer recommendations, are essential.
- Filter Maintenance: While not explicitly included in the kit, proper filtration (e.g., tank breather filters, inline return filters) is crucial for preventing contaminant ingress and maintaining fluid cleanliness, directly impacting pump and cylinder life.
- Hose and Fitting Inspection: Routine inspection for signs of wear, abrasion, kinking, cracks, or leaks in hoses and fittings. Any compromised component should be replaced immediately.
- Reservoir Cleaning: Periodically cleaning the inside of the polyethylene reservoir to remove sludge and contaminants, ensuring clean fluid supply.
- Pump Inspection: Checking for unusual noises, vibrations, or external leaks from the pump, indicating potential internal wear or seal issues.
Safety Protocols
Operating high-pressure hydraulic systems demands strict adherence to safety protocols. Hydraulic fluid under pressure can be extremely dangerous, capable of causing severe injury or death. Always ensure the system is depressurized before attempting any maintenance or inspection. Use appropriate personal protective equipment (PPE), including eye protection and gloves. Be vigilant for pinhole leaks, which can inject fluid into skin with devastating consequences. Implement lockout/tagout procedures during service to prevent accidental system activation. Proper operator training on the safe use and maintenance of the dump application hydraulic system is fundamental to prevent accidents and ensure long-term, reliable operation.
Conclusion
The 50 Gallon Side-Mount Reservoir/Direct Mount Pump Wetline Kit with a Poly Tank and Clockwise rotation from Buyers Products is a robust, meticulously engineered, and comprehensive solution for demanding dump applications. Its thoughtful design, incorporating a durable polyethylene reservoir, a high-performance cast iron direct-mount pump with an integrated valve, and a complete set of high-quality hoses and fittings, ensures efficient power transfer, enhanced operational reliability, and simplified installation. By understanding the technical specifications and adhering to best practices for installation and maintenance, operators can leverage this kit to achieve superior productivity and extended service life for their hydraulic dump systems, representing a sound investment in vocational fleet performance.
