CH102115CW - Direct Mount Hydraulic Pump With Clockwise Rotation And 1-1/2 Inch Diameter Gear

The Direct Mount Small Dump Pump with Manual Valve from Buyers Products bolts directly to a PTO for a compact source of hydraulic power for smaller dump applications. It has cable-controlled manual shift operations. The pump includes a 4 bolt SAE mounting flange and 7/8 in. by 13 spline shaft. To determine the pump rotation you need when ordering, look at the pump with the shaft facing you and the belly of the pump facing down. Note: Buyers Products PTOs can be custom-ordered for your specific vehicle and application. Contact Customer Service for assistance in selecting the correct PTO.

Specifications

The Buyers Products Direct Mount Hydraulic Pump with Clockwise Rotation and 1-1/2 Inch Diameter Gear represents a pinnacle of engineering for mobile hydraulic applications. Specifically designed to integrate seamlessly into smaller dump truck systems, utility vehicles, and a wide array of auxiliary equipment, this pump is a compact, high-performance solution for professionals demanding reliability and precise control. Its direct mount configuration, coupled with a robust manual valve and a 1-1/2 inch diameter gear, ensures efficient power transfer and hydraulic actuation for critical functions.

At the core of this hydraulic pump’s design is its direct mount capability. Unlike remote mount systems that require additional drive shafts, couplings, and mounting brackets, the direct mount design bolts directly to a Power Take-Off (PTO) unit. This architectural choice significantly reduces the overall footprint of the hydraulic system, making it ideal for applications where space is a premium. The elimination of intermediate components also minimizes potential points of failure, reduces installation complexity, and enhances the system's overall efficiency by reducing mechanical losses. This results in a more streamlined, reliable, and cost-effective hydraulic power unit.

The pump features an SAE B 4 Bolt mounting flange, adhering to industry-standard specifications. This widely recognized standard ensures broad compatibility with a variety of PTO units, simplifying integration into existing vehicle platforms. The secure, rigid connection provided by the 4-bolt flange guarantees stable operation and optimal power transmission, even under demanding operational cycles. Complementing this mounting interface is a 7/8 inch by 13 spline shaft. The splined shaft design is crucial for transmitting high torque loads from the PTO to the pump's internal gears with minimal slippage and wear. Splines distribute the load over a larger surface area compared to keyways, effectively reducing stress concentrations and extending the lifespan of both the pump and the PTO. The integral bracket input mount type further reinforces the structural integrity of the pump-PTO connection, providing a solid foundation for hydraulic power generation.

A critical characteristic of this pump is its specified clockwise rotation. As precisely indicated in the installation guidelines, this refers to the direction of rotation when viewing the pump with the shaft facing the observer and the belly of the pump oriented downwards. Understanding and correctly matching the pump's rotation to the PTO's output rotation is paramount for the proper functioning of any hydraulic system. Incorrect rotation can lead to pump damage, system malfunction, and severe operational issues. The clear instruction provided ensures that installers can accurately verify this essential parameter, preventing costly errors and ensuring peak performance.

The heart of the pump’s hydraulic power generation lies in its 1-1/2 inch diameter gear. This dimension, combined with a 1.500-inch gear width, defines the volumetric displacement of the pump, which is specified at 2 cubic inches per revolution. Displacement is a fundamental metric, representing the volume of fluid moved with each rotation of the pump shaft. A larger gear size and displacement directly translate to greater hydraulic flow per revolution, making this pump highly efficient for its size. The robust gear design is engineered for durability, capable of withstanding the high pressures and continuous operation typical of dump applications. The materials and precision machining of these gears are critical to maintaining volumetric efficiency over time, minimizing internal leakage and ensuring consistent performance.

The hydraulic performance data further elucidates the pump's capabilities. With a displacement of 2 cubic inches, the pump generates varying flow rates directly proportional to the input RPM. For instance, at 600 RPM, it produces 7.0 GPM, scaling up to 11.7 GPM at 1000 RPM, 14.04 GPM at 1200 RPM, 16.76 GPM at 1500 RPM, 21 GPM at 1800 RPM, and reaching 24.57 GPM at 2100 RPM. The maximum recommended operating RPM is 2000, underscoring its design for sustained performance within this operational envelope. These flow rates demonstrate the pump's ability to quickly and efficiently actuate hydraulic cylinders, providing the necessary speed for raising and lowering dump beds or operating other hydraulic implements. The graduated flow chart allows operators and system designers to match the pump’s output precisely to the demands of the application, optimizing cycle times and energy consumption. The ability to produce a substantial 21 GPM at 1800 RPM is particularly impressive for a pump of this compact design, highlighting its high power density.

Pressure capability is another critical aspect of hydraulic pump performance, and this unit excels with a maximum pressure rating of 2500 PSI. This robust pressure capacity enables the pump to handle heavy loads encountered in typical dump applications, such as lifting fully loaded dump beds or operating other high-force hydraulic actuators. The combination of high flow rates and significant pressure capability ensures that the pump can deliver both speed and force, making it a versatile component for challenging hydraulic tasks. The structural integrity of the cast iron housing is pivotal in containing these internal pressures without deformation, ensuring long-term reliability and safety.

Fluid management and porting are meticulously engineered for optimal system integration and performance. The inlet port size is 1 1/4 NPT, while the outlet and rear port sizes are 3/4 NPT. The suction port, mirroring the inlet, is also 1 1/4 NPT. The use of National Pipe Taper (NPT) threads is a common practice, providing a secure, leak-free connection when properly sealed. The larger inlet/suction port size (1 1/4 NPT) is critical for minimizing pressure drop and preventing cavitation at the pump's intake. Cavitation, caused by inadequate fluid supply or excessive suction lift, can severely damage a hydraulic pump by causing erosion, noise, and reduced efficiency. By ensuring ample fluid flow into the pump, the design mitigates this risk, promoting smoother operation and extending pump life. The rear port configuration for both inlet and outlet offers advantages in terms of compact installation and hose routing, which is often crucial in the confined spaces of mobile equipment. This thoughtful placement simplifies plumbing, reduces bends in hydraulic lines, and contributes to a tidier and more efficient system layout.

Constructed from high-grade cast iron, the pump housing is engineered for exceptional durability and longevity. Cast iron offers several advantageous properties for hydraulic pump applications, including high tensile strength, excellent resistance to wear and abrasion, and superior vibration damping characteristics. These attributes allow the pump to withstand the harsh operating environments common in commercial and industrial applications, including exposure to vibration, shock, and temperature fluctuations. The inherent thermal stability of cast iron also helps dissipate heat generated during continuous operation, contributing to the pump's overall efficiency and preventing premature component wear. The robust construction ensures that the internal components, particularly the precision-machined gears, are securely housed and operate within tight tolerances, preserving the pump's performance characteristics over its operational lifespan.

The integration of a manual valve with cable-controlled shift operations provides operators with direct and reliable control over the hydraulic system. This mechanical control method is renowned for its simplicity, robustness, and independence from electrical or pneumatic systems, making it highly dependable in various conditions. The cable-controlled mechanism allows for flexible placement of the control lever within the vehicle cabin, providing ergonomic access for the operator. The manual valve itself is designed to direct the flow of hydraulic fluid, enabling precise actions such as lifting a dump bed, holding it at a specific position, and smoothly lowering it. This direct manual interface offers immediate feedback and allows for nuanced adjustments, which can be critical for tasks requiring fine motor control and safety. The inherent simplicity of the manual valve system also translates to easier maintenance and troubleshooting compared to more complex electronic or proportional control systems, ensuring maximum uptime for critical equipment.

The applications for this Direct Mount Hydraulic Pump extend beyond just small dump trucks. Its robust specifications make it suitable for a range of mobile hydraulic systems. This includes, but is not limited to, landscape trucks, municipal service vehicles equipped with auxiliary hydraulics, utility trailers with dump or lift gate functions, compact construction equipment, snow plows, salt spreaders, and various agricultural implements requiring reliable hydraulic power. Its compact size and direct mount capability make it an excellent choice for optimizing space and simplifying hydraulic system design in diverse mobile platforms. The consistent flow and pressure output ensure that attached implements operate effectively, enhancing productivity and operational versatility for the entire vehicle.

Buyers Products places significant emphasis on engineering excellence and customer support. The "Note" regarding custom-ordered PTOs and the recommendation to contact Customer Service underscores a commitment to ensuring optimal system compatibility and performance. Selecting the correct PTO for a specific vehicle and application is paramount for the longevity and efficiency of the entire hydraulic system. Factors such as PTO output shaft configuration, torque capacity, and gear ratio must align perfectly with the pump's requirements. Expert assistance from Buyers Products ensures that customers receive tailored solutions that guarantee seamless integration and maximum operational efficiency, mitigating the risks associated with improper component matching. This consultative approach highlights the brand's dedication to providing comprehensive solutions rather than just components.

In conclusion, the Buyers Products Direct Mount Hydraulic Pump with Clockwise Rotation and 1-1/2 Inch Diameter Gear is a meticulously engineered, high-performance solution for demanding mobile hydraulic applications. Its direct mount design, industry-standard SAE B 4 Bolt flange, and robust 7/8 inch by 13 spline shaft ensure seamless integration and efficient power transmission. The impressive flow rates across a broad RPM range, coupled with a substantial 2500 PSI maximum pressure, provide both the speed and force required for rigorous tasks. Constructed from durable cast iron and featuring a reliable cable-controlled manual valve, this pump is built for longevity and precise operator control. Whether for small dump applications or other auxiliary hydraulic systems, this pump delivers exceptional reliability, efficiency, and performance, making it an indispensable component for professionals seeking robust and dependable hydraulic power solutions.