The Remote Mount Hydraulic Dump Pump with Manual Valve from Buyers Products is a compact and efficient source of hydraulic power for your vehicle. It is designed for dump operations with 2 or 3 line plumbing and has cable-controlled shift operations. The pump is controlled with an easy on/off switch in your truck cab. Based on RPM, its output ranges from 13 to 46 GPM. It includes a relief valve set at 2500 PSI. The pump/valve is remote-mounted. The pump bracket is sold separately.
Specifications
| Direct Mount/Remote Mount | Remote |
|---|---|
| Direct or Remote Mount | Remote Mount |
| Displacement | 6 |
| Flow | 25 |
| Flow at 1000 RPM | 25 |
| Flow at 1200 RPM | 33 |
| Flow at 1500 RPM | 37.5 |
| Flow at 1800 RPM | 46 |
| Flow at 2100 RPM | - |
| Flow at 600 RPM | 13 |
| Flow at 900 RPM | 21 |
| Gear Size | 2.5 |
| Gear Width | 2.500 |
| Inlet Port Size | 1 1/2 NPT |
| Input Mount Type | Frame Mount |
| Material | Cast Iron |
| Maximum Pressure | 2500 |
| Maximum Rotations Per Minute (RPM) | 2000 |
| Mount Type | Frame Mount |
| Outlet Port Size | 1 NPT |
| Pilot Diameter | 4.00 |
| Ports (rear/side) | Rear |
| Rear Port Size | 1 NPT |
| Rotation | Clockwise or Counterclockwise |
| Shaft Size | 1 |
| Shaft Type | Round/Keyed |
| Suction Port Size | 1 1/2 NPT |
The Remote Mount Hydraulic Pump with Manual Valve and 2-1/2 Inch Diameter Gear represents a robust and versatile solution for demanding mobile hydraulic applications, particularly within the heavy-duty vehicle sector. Engineered by Buyers Products, this unit is meticulously designed to provide reliable hydraulic power for dump operations and similar functions requiring precise and powerful fluid control. Its remote-mount configuration, integrated manual valve, and high-performance gear mechanism are optimized for efficiency, durability, and ease of integration into complex vehicle systems.
Engineered for Remote Mounting and Optimal System Integration
The primary design philosophy behind this hydraulic pump is its "Remote Mount" capability. Unlike direct-mount PTO (Power Take-Off) pumps that connect directly to a transmission, this unit is designed to be mounted independently on the vehicle frame, or other suitable location, and driven via a driveshaft from a PTO. This remote mounting strategy offers several distinct advantages:
- Enhanced Flexibility in Placement: Remote mounting allows for greater freedom in positioning the pump, enabling installation in locations that are less restrictive in terms of space or where a direct PTO connection may not be feasible or optimal due to vehicle architecture. This is particularly beneficial for vehicles with specialized transmissions or limited access points.
- Reduced Vibration and Noise Transmission: By physically separating the pump from the transmission, vibrations and noise generated during pump operation are attenuated, leading to a quieter cab environment and potentially extending the lifespan of both the pump and the transmission by minimizing resonant frequencies.
- Simplified Maintenance and Service Access: A remote-mounted pump can often be positioned in a more accessible location, simplifying routine maintenance, inspections, and potential repairs. This reduces downtime and overall service costs.
- Thermal Management: Positioning the pump away from other heat-generating components can contribute to better thermal management of the hydraulic system, prolonging fluid life and component integrity.
The unit's "Frame Mount" type further solidifies its adaptability, allowing it to be securely attached to the vehicle's chassis, which is engineered to handle the operational stresses and vibrations associated with heavy-duty applications. It is crucial to note that while the pump itself is designed for remote mounting, the necessary pump bracket for specific vehicle integration is sold separately, allowing for customized installation solutions.
High-Performance Gear Pump Mechanism
At the core of this hydraulic power unit is a precision-engineered gear pump, specifically featuring a 2-1/2 inch diameter gear with a corresponding gear width of 2.500 inches. This dimensional specification is critical, directly influencing the pump's displacement and volumetric output. With a displacement of 6 cubic inches per revolution, this pump is designed to efficiently move hydraulic fluid to power demanding applications.
Understanding Gear Pump Operation:
Gear pumps operate on a straightforward, yet highly effective principle: two meshing gears rotate within a close-tolerance housing. As the gears rotate, they create a vacuum at the inlet port, drawing hydraulic fluid into the pump. The fluid is then trapped between the gear teeth and the pump housing, carried around the periphery of the gears, and forced out through the outlet port under pressure. The precise machining of the gears and housing minimizes internal leakage (slip), contributing to the pump's overall volumetric efficiency.
Flow Rate Performance Across RPM Range:
The specifications highlight the pump's dynamic flow characteristics across a range of operational RPMs, demonstrating its versatility and ability to meet varying power demands:
- 600 RPM: 13 GPM (Gallons Per Minute)
- 900 RPM: 21 GPM
- 1000 RPM: 25 GPM
- 1200 RPM: 33 GPM
- 1500 RPM: 37.5 GPM
- 1800 RPM: 46 GPM
These flow rates illustrate a near-linear relationship between input RPM and output GPM, which is characteristic of positive displacement gear pumps. The ability to deliver between 13 GPM and 46 GPM allows operators to precisely control the speed of hydraulic cylinder actuation (e.g., raising/lowering a dump body) by simply adjusting the engine's RPM. This wide operating range, with a maximum recommended RPM of 2000, ensures that the pump can be effectively utilized across various vehicle engine speeds, providing ample power for both rapid and controlled movements.
Integrated Manual Valve and Intuitive Control
A significant feature of this unit is its integrated manual valve, which simplifies plumbing and control compared to systems requiring separate pump and valve components. This valve is specifically designed for dump operations and supports both 2-line and 3-line plumbing configurations, offering flexibility in hydraulic circuit design.
Valve Functionality:
The manual valve is central to controlling the hydraulic fluid flow direction and pressure, enabling the lift, hold, and lower functions typical of dump applications. Its design for 2 or 3 line plumbing caters to different system complexities:
- 2-Line Systems: Typically involve a pressure line and a return line, often used in simpler single-acting cylinder applications where gravity or external force assists the return stroke.
- 3-Line Systems: Add a power-down or regeneration line, offering more controlled lowering speeds or powering double-acting cylinders. The manual valve's compatibility ensures broad applicability.
Cable-Controlled Shift Operations:
The valve's "cable-controlled shift operations" provide a direct, mechanical linkage between the control lever in the cab and the valve itself. This traditional and proven control method is known for its reliability and direct feedback to the operator. It minimizes the complexity associated with electrical or pneumatic control systems, offering robust performance in harsh environments.
In-Cab Control Interface:
Complementing the cable control, the pump is activated via an "easy on/off switch" located within the truck cab. This simple interface ensures that the operator can quickly and efficiently engage or disengage the hydraulic system, optimizing fuel consumption and reducing unnecessary wear when hydraulic power is not required.
Robust Pressure Management and Safety
Integral to any high-performance hydraulic system is effective pressure management. This pump incorporates a robust "relief valve set at 2500 PSI" (pounds per square inch), which serves as a critical safety and system protection component.
Function of the Relief Valve:
A relief valve is designed to prevent system over-pressurization by diverting excess fluid back to the reservoir when the system pressure exceeds a predetermined set point. In this case, the 2500 PSI setting ensures that the hydraulic system operates within its safe working limits, protecting the pump, hoses, cylinders, and other components from potential damage due to excessive pressure spikes or system blockages. This proactive pressure management significantly enhances the longevity and reliability of the entire hydraulic circuit, preventing catastrophic failures and ensuring operator safety.
Maximum Pressure Rating:
The inclusion of a relief valve set at 2500 PSI aligns with the pump's operational capabilities and the demands of typical dump truck applications. This pressure capacity provides ample force for lifting heavy loads while maintaining a critical safety margin.
Durable Construction and Precision Porting
Durability is paramount for equipment operating in demanding environments. This hydraulic pump is constructed from "Cast Iron," a material renowned for its exceptional strength, rigidity, and resistance to wear and corrosion. Cast iron construction ensures that the pump can withstand high operating pressures, mechanical stresses, and the often-abrasive conditions encountered in mobile hydraulic applications, guaranteeing an extended service life and consistent performance.
Optimized Porting for Efficient Fluid Transfer:
The pump features carefully sized and positioned ports to facilitate efficient hydraulic fluid transfer, minimizing pressure drops and turbulence:
- Inlet Port Size: 1 1/2 NPT (National Pipe Taper)
- Suction Port Size: 1 1/2 NPT (Often synonymous with inlet, confirming the generous sizing for fluid intake).
- Outlet Port Size: 1 NPT
- Rear Port Size: 1 NPT (Indicating a primary outlet or an alternative porting option is located at the rear).
- Ports (rear/side): Rear (Confirming the primary porting is at the rear for streamlined plumbing).
The larger 1 1/2 NPT inlet/suction port ensures unrestricted fluid flow into the pump, crucial for preventing cavitation, which can severely damage pump components. The 1 NPT outlet and rear ports are appropriately sized to deliver the pressurized fluid efficiently to the hydraulic cylinders or other actuators. NPT threads are standard in North American industrial applications, ensuring compatibility with a wide range of hydraulic fittings and hoses.
Shaft, Pilot, and Rotational Versatility
The mechanical interface of the pump is equally crucial for its integration and performance:
- Shaft Type and Size: The "Round/Keyed" shaft with a 1-inch diameter provides a robust and reliable connection to the power source (e.g., driveshaft from the PTO). The keyed design ensures a positive lock against rotational slip, efficiently transmitting torque.
- Pilot Diameter: A "4.00" inch pilot diameter (typically referring to a mounting flange pilot) ensures precise centering and alignment of the pump with its drive mechanism or mounting bracket. Correct alignment is vital to prevent premature bearing wear, vibration, and component failure.
- Rotation: The pump's capability for "Clockwise or Counterclockwise" rotation offers significant versatility during installation. This bi-directional capability allows the pump to be adapted to various PTO output rotations without requiring specialized pump variants, simplifying inventory and increasing application flexibility. The installer must ensure the pump is configured correctly for the chosen direction of rotation, which often involves internal adjustments or selecting the correct model variant.
Applications and Operational Benefits
This Remote Mount Hydraulic Dump Pump is engineered to be the hydraulic heart of various heavy-duty mobile equipment. Its primary application is in dump trucks and trailers, where it provides the necessary power for lifting and lowering the dump body. Beyond dump operations, its robust design and flexible flow rates make it suitable for other mobile hydraulic systems that demand reliable, high-pressure fluid power, such as:
- Refuse Collection Vehicles: Powering compactors and lifting mechanisms.
- Snowplows and Spreaders: Actuating blades and distributing materials.
- Service and Utility Trucks: Operating cranes, lifts, and other auxiliary equipment.
- Agricultural Machinery: Providing hydraulic power for implements.
The operational benefits derived from this unit are substantial:
- High Efficiency: The precise gear design and robust construction ensure high volumetric and mechanical efficiency, converting mechanical input power into hydraulic output with minimal energy loss.
- Durability: Cast iron construction and heavy-duty components ensure a long service life, even under continuous heavy use and harsh environmental conditions.
- Responsive Control: The cable-controlled manual valve and in-cab switch provide immediate and tactile feedback, allowing operators to precisely control hydraulic functions.
- Safety: The integrated relief valve protects the entire hydraulic system from damaging over-pressurization, enhancing operator safety and component longevity.
- Versatility: Remote mounting, bi-directional rotation, and varied flow rates make this pump adaptable to a wide range of vehicle configurations and operational requirements.
Installation and Maintenance Considerations
While designed for robust performance, proper installation and routine maintenance are paramount to realizing the full lifespan and efficiency of this hydraulic pump. Professional installation is highly recommended to ensure correct alignment, secure mounting (using the separately sold bracket), and proper plumbing of hydraulic lines, considering the specified NPT port sizes.
Key maintenance practices include:
- Hydraulic Fluid Quality: Using the correct type and viscosity of hydraulic fluid, as specified by the vehicle or system manufacturer, is critical for lubrication, heat dissipation, and corrosion prevention.
- Filtration: Regular inspection and replacement of hydraulic filters are essential to keep the fluid clean and prevent abrasive wear on the pump and valve components.
- System Checks: Periodically inspecting hoses, fittings, and seals for leaks or damage, and verifying relief valve settings, will ensure optimal performance and safety.
- Driveshaft and Coupling Integrity: For remote-mounted systems, the driveshaft and its couplings should be regularly inspected for wear, balance, and alignment to prevent vibrations and premature failure.
Conclusion
The Remote Mount Hydraulic Pump with Manual Valve and 2-1/2 Inch Diameter Gear from Buyers Products is a meticulously engineered component designed to deliver reliable, high-performance hydraulic power for heavy-duty mobile applications. Its thoughtful remote-mount design, precision gear pump mechanism offering a wide range of flow rates (13-46 GPM), integrated manual valve with cable-controlled shifts, and robust cast iron construction underscore its commitment to durability and operational efficiency. Coupled with a crucial 2500 PSI relief valve for system protection, this unit provides a powerful, controlled, and safe solution for critical functions such as dump operations, ensuring maximum productivity and longevity in the most demanding environments. When paired with the appropriate mounting bracket and professional installation, this hydraulic pump stands as an exemplary choice for system integrators and fleet operators seeking uncompromising performance and reliability.
