SMWLK70DMCCW - 70 Gallon Side-Mount Reservoir/Direct Mount Pump Wetline Kit CCW With Steel Tank

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

Advanced Technical Overview: 70 Gallon Side-Mount Wetline Kit with Direct Mount CCW Pump and Steel Reservoir

The 70 Gallon Side-Mount Reservoir/Direct Mount Pump Wetline Kit, specifically configured for Counterclockwise (CCW) operation with a robust carbon steel tank, represents a comprehensive and meticulously engineered hydraulic solution designed for demanding dump applications. This integrated system provides the essential power and precise control necessary for efficient and reliable operation of dump truck bodies, trailers, and other mobile hydraulic equipment requiring substantial hydraulic force and fluid volume. Its design prioritizes durability, ease of installation, and optimal performance in challenging commercial environments, ensuring a long operational lifespan and minimal downtime for heavy-duty vehicle fleets.

Understanding the Hydraulic Wetline System Architecture

A wetline kit, fundamentally, is a complete hydraulic power unit designed to be installed on a commercial vehicle, typically connected to the truck's Power Take-Off (PTO) unit. Its primary function is to convert the mechanical energy from the PTO into hydraulic energy, supplying pressurized hydraulic fluid to operate auxiliary equipment such as dump bodies, live bottoms, or other hydraulic attachments. The term "wetline" refers to the continuous circulation of hydraulic fluid through a dedicated circuit of hoses, components, and the reservoir. This particular kit is engineered to provide a self-contained and highly efficient power source, delivering the necessary force to lift and lower heavy loads with precision, speed, and safety. The comprehensive nature of this kit, integrating all critical components into a single package, simplifies procurement, streamlines installation, and guarantees compatibility and peak performance from the moment of deployment.

The 70 Gallon Side-Mount Carbon Steel Reservoir: A Foundation of Reliability

• Optimized Capacity and Thermal Management: The substantial 70-gallon (approximately 265-liter) reservoir capacity is a critical specification, especially for heavy-duty dump applications where significant fluid volume displacement occurs during cylinder actuation and effective thermal management is paramount. A larger reservoir contributes significantly to enhanced heat dissipation by providing a greater surface area for natural convection and radiation, thereby preventing hydraulic fluid degradation due to excessive temperatures. This expanded volume ensures that the hydraulic system can accommodate the full stroke volume of large hydraulic cylinders, maintain a sufficient reserve for operational demands, and allow adequate residence time for the fluid to de-aerate and cool before recirculation. Optimal fluid temperature is crucial for maintaining proper viscosity, effectively lubricating hydraulic components, and extending the lifespan of the entire hydraulic system.
• Strategic Side-Mount Configuration: The side-mount design offers significant advantages in terms of vehicle integration, chassis space optimization, and weight distribution. Positioned efficiently along the truck chassis, it allows for maximal utilization of available space, often leaving the rear of the cab clear for other auxiliary equipment, improved visibility, or additional fuel tanks. This mounting style also contributes to a more balanced weight distribution across the vehicle's frame, which is vital for maintaining stability and ensuring compliance with axle weight regulations, particularly when operating with heavy, dynamic loads. The robust reservoir bracket kit with included fasteners ensures secure attachment to the vehicle frame, effectively mitigating vibration-induced stress on the reservoir structure and maintaining its integrity over time.
• Robust Carbon Steel Construction: The selection of carbon steel for the reservoir material underscores this kit's commitment to durability, resilience, and long-term performance in demanding environments. Carbon steel provides superior mechanical strength, impact resistance, and rigidity compared to lighter-weight materials, making it exceptionally well-suited for the harsh operational conditions encountered by commercial vehicles. The tank is typically fabricated with precision-welded seams, ensuring leak-proof integrity and structural stability under dynamic operating pressures and vibrational stresses. Furthermore, steel reservoirs can be treated with specialized internal coatings to resist corrosion and oxidation from hydraulic fluids and external finishes (e.g., powder coating or industrial-grade paint) to withstand environmental aggressors such as weather, road chemicals, and abrasions, thereby extending the reservoir's operational life and maintaining its structural and aesthetic integrity. Integrated features commonly found in high-quality reservoirs, such as visual fluid level indicators (sight gauges), filtered breathers/fill caps to prevent contaminant ingress, and easily accessible drain ports, enhance maintenance convenience and operational monitoring. Internal baffling within the reservoir plays a crucial role in preventing fluid surging, promoting laminar flow for optimal heat exchange, and facilitating the efficient separation of entrained air from the hydraulic fluid, all contributing to overall system health and longevity.

Direct Mount Pump/Valve Assembly: Precision Power Transmission

• The Efficiency of Direct Mount: The direct mount configuration of the pump to the Power Take-Off (PTO) is a hallmark of efficiency, simplicity, and reliability in mobile hydraulic systems. This design eliminates the need for intermediate driveshafts, universal joints, pillow block bearings, and complex mounting arrangements, thereby reducing the number of potential failure points, simplifying the bill of materials, and streamlining installation procedures. By directly coupling the pump to the PTO output shaft, mechanical power transmission losses are minimized, ensuring that a greater percentage of the engine's power is converted into usable hydraulic energy. This compact setup also conserves valuable chassis space, reduces overall system weight, and enhances system rigidity and alignment stability.
• Durable Cast Iron Gear Pump Design: At the heart of this wetline kit is a robust cast iron gear pump. Cast iron is a material specifically chosen for its exceptional strength, rigidity, excellent wear resistance, and thermal stability, making it ideally suited for the high pressures and continuous operation characteristic of heavy-duty hydraulic systems. Gear pumps are renowned for their reliability, high volumetric and mechanical efficiency, and relatively simple, robust design, which translates into lower maintenance requirements and an extended service life. They operate by trapping hydraulic fluid between the teeth of precisely meshing gears and forcing it through the pump's outlet, delivering a consistent and predictable flow rate under varying load and pressure conditions.
• Optimal Flow Rate (46 GPM at 1800 RPM): The specified flow rate of 46 Gallons Per Minute (GPM) at 1800 RPM is a critical performance metric for this system. This indicates the volumetric output of the pump when the engine is operating at 1800 revolutions per minute, which is often a common and efficient operating speed for PTO engagement in commercial vehicles. A flow rate of 46 GPM is highly suitable for quickly cycling large dump cylinders, significantly minimizing the time required to raise and lower the dump body. This directly contributes to increased operational efficiency, reduced cycle times, and enhanced productivity for dump truck operators. Understanding this precise flow rate allows for accurate calculation of cylinder extension and retraction speeds, ensuring the hydraulic system meets specific application requirements for desired dump cycle times.
• Counterclockwise (CCW) Rotation Specificity: The "CCW" designation for pump rotation specifies the precise direction of the pump shaft's rotation when viewed from the drive end. It is absolutely imperative that the pump's rotation direction matches the output rotation of the vehicle's PTO unit. Incorrect rotation will lead to pump malfunction, lack of fluid delivery, and potential severe damage to the pump and the entire hydraulic system. Counterclockwise rotation is a common PTO output configuration on many commercial vehicle transmissions, and this kit is specifically designed to integrate seamlessly and function correctly with such setups, ensuring proper fluid suction and discharge.
• Integrated Pump/Valve Combination: The inclusion of an integrated pump/valve assembly significantly simplifies the overall hydraulic circuit. This combination typically features a control valve (often a monoblock or sandwich plate type) directly attached or incorporated into the pump housing. This integration reduces the number of external hoses, fittings, and complex mounting brackets, which in turn reduces potential leak points, minimizes system plumbing, and simplifies installation complexity. The integrated valve commonly includes a pressure relief function to protect the system from overpressure conditions, ensuring safe operation and preventing catastrophic component damage. Directional control for raising and lowering the dump body (e.g., raise, hold, lower, float positions) is also efficiently managed by this integrated unit, offering precise and responsive control to the operator.

Comprehensive Hydraulic Hosing and High-Performance Fittings

The overall effectiveness, safety, and reliability of any hydraulic system are heavily dependent on the quality, appropriate sizing, and secure installation of its hosing and fittings. This kit includes a carefully selected array of components engineered to ensure optimal fluid transfer, minimize pressure losses, and maintain system integrity under rigorous operating conditions.

• 1-1/4 in. Internally Reinforced Suction Hose (6 ft long): The suction line is arguably one of the most critical parts of a hydraulic system, as it prevents cavitation. The 1-1/4 inch internal diameter is generously sized to minimize pressure drop and prevent the formation of vacuum-induced cavitation at the pump inlet, which is especially crucial for a high-flow 46 GPM pump. Internal reinforcement, typically consisting of high-strength textile plies or steel wire braiding, is essential to prevent the hose from collapsing under the vacuum conditions created as the pump draws fluid from the reservoir. The 6-foot length provides sufficient reach for most side-mount reservoir installations, allowing for proper routing that avoids sharp bends and potential kinking, which could restrict flow, induce cavitation, and lead to premature hose failure.
• 1 in. High Pressure Hose (6 ft long): This hose is specifically designed to withstand the very high pressures generated by the hydraulic pump and efficiently transmit pressurized fluid to the dump cylinder or other actuators. The 1-inch internal diameter is optimized for efficient flow at high pressure, balancing flow capacity with the critical need for high-pressure integrity. Constructed with multiple layers of high-tensile steel wire braiding and robust synthetic rubber compounds, these hoses are engineered to exceed industry standards for working pressure, burst pressure, temperature resistance, and abrasion resistance, thereby ensuring maximum safety and longevity in demanding applications.
• 1-1/4 in. Barbed Adapter Fittings and Stainless Steel Hose Clamps: These components are precisely provided for creating secure and leak-free connections of the suction hose to both the reservoir port and the pump inlet. Barbed fittings create a strong mechanical interlock on the inside diameter of the hose, preventing slippage, while the stainless steel hose clamps provide consistent radial clamping pressure to prevent detachment and ensure a vacuum-tight seal under suction conditions. The use of stainless steel ensures excellent corrosion resistance, which is vital for components exposed to outdoor, moisture-laden, and potentially corrosive vehicle environments.
• 1-1/2 in. by 1-1/4 in. Reducing Bushing: This precision fitting facilitates a smooth and reliable transition between different port sizes, typically connecting the suction hose adapter to a larger suction port on the reservoir. Its inclusion ensures that optimal flow characteristics are maintained across the connection, minimizing turbulence and avoiding unnecessary flow restrictions that could impact pump performance.
• 1 in. High Pressure Swivel Adapter: Swivel adapters are invaluable components in high-pressure hydraulic lines, as they allow for angular movement and rotation (swivel action) without twisting or putting torsional stress on the hose. This critical feature significantly reduces mechanical stress on the hose assembly, prevents kinking, and extends its service life, especially in dynamic applications where the dump body or trailer articulation might cause considerable hose movement during operation.
• 1 in. Wing-Type High Pressure Quick Detach Coupler: This quick-detach coupler is a highly practical, safety-enhancing, and efficiency-boosting component. It allows for rapid, tool-free connection and disconnection of the high-pressure line, for example, when connecting a dump trailer to a truck's wetline system. The wing-type design provides an ergonomic grip for easy operation, even when wearing heavy gloves. Its robust, heavy-duty construction ensures high-pressure integrity and minimizes fluid loss (spillage) during connection and disconnection, while also preventing the ingress of dirt and contaminants into the pristine hydraulic system. This feature is particularly beneficial for commercial fleets operating multiple trailers or requiring frequent changes in attached equipment, enhancing versatility and reducing downtime.

Applications and Operational Benefits

This 70 Gallon Side-Mount Wetline Kit is specifically tailored for a wide array of demanding dump applications, including but not limited to:

• Dump Trucks: Single axle, tandem axle, tri-axle, and specialty dump trucks used extensively in construction, aggregate hauling, demolition, and municipal services.
• Dump Trailers: Various types of tippers, end dumps, and belly dumps that rely on a tractor's wetline system for hydraulic power and control.
• Roll-off Systems: While often requiring slightly different configurations for control, the core hydraulic power generation and fluid management principles are directly applicable to container handling.

The robust design and high-capacity components of this kit collectively ensure:

• Increased Productivity: Achieved through rapid dump cycle times, thanks to the high flow 46 GPM pump.
• Enhanced Durability: The carbon steel reservoir and cast iron pump are engineered to withstand rigorous daily use and harsh environmental conditions, providing a long service life.
• Improved Safety: Features such as the integrated pressure relief valve, securely fastened fittings, and robust high-pressure hoses minimize operational risks associated with hydraulic power.
• Simplified Installation & Maintenance: The comprehensive nature of the kit with a direct-mount pump reduces installation complexity, while accessible reservoir features aid routine servicing and fluid checks.
• Reliable Performance: Engineered for consistent and dependable operation, significantly reducing unscheduled downtime and overall operational costs.

Installation and Maintenance Considerations

While this kit is designed for comprehensive supply and ease of integration, proper installation is paramount to ensuring optimal performance, safety, and longevity. The included reservoir bracket kit with fasteners simplifies mounting, but strict adherence to manufacturer guidelines, correct torque specifications for all fasteners, and proper hose routing best practices (avoiding sharp bends, chafing, and areas of high heat) are absolutely essential. For maintenance, regular inspection of hydraulic fluid levels, filter condition, hose integrity (checking for cracks, chafing, or leaks), and fitting tightness are crucial preventive measures. Using clean, specified hydraulic fluid that meets the system's requirements and adhering to recommended service intervals will significantly extend the life of the system and prevent costly repairs and operational interruptions.

Conclusion

The 70 Gallon Side-Mount Reservoir/Direct Mount Pump Wetline Kit with Counterclockwise rotation and a durable carbon steel tank from Buyers Products stands as a premium, fully integrated hydraulic solution for the most demanding dump applications. Its thoughtful design, incorporating a high-capacity steel reservoir for superior thermal management, a robust direct-mount cast iron pump/valve assembly with a significant 46 GPM output for rapid cycling, and a complete suite of high-quality hoses and fittings for reliable fluid transfer, ensures exceptional performance, reliability, and longevity. This kit represents a strategic and sound investment for commercial vehicle operators seeking to maximize operational efficiency, minimize downtime, and ensure the safe and powerful actuation of their hydraulic dump systems. The precise engineering and robust component selection make it an ideal choice for sustained, heavy-duty operation in challenging environments, providing a dependable and high-performing foundation for any hydraulic dump system.