C1010DMCCWAS - Direct Mount Hydraulic Pump With AS301 Air Shift Cylinder Included

The Direct Mount Hydraulic Dump Pump with Air Control from Buyers Products directly mounts to your PTO for a compact and efficient source of hydraulic power. It is designed for dump operations with 2 or 3 line plumbing and features pneumatic shifting. Based on RPM, its output ranges from 13 to 46 GPM. It includes a relief valve set at 2500 PSI. The pump includes a 4 bolt SAE B mounting flange and 7/8 in. by 13 spline shaft. Air shift cylinder is included. You will need to specify the pump rotation when ordering, which you can determine by looking 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 Direct Mount Hydraulic Pump with AS301 Air Shift Cylinder from Buyers Products represents a robust and highly efficient solution engineered for demanding mobile hydraulic applications, specifically optimized for dump truck operations. This sophisticated hydraulic power unit is designed to integrate seamlessly with your vehicle's Power Take-Off (PTO) system, providing a compact, direct-drive mechanism that minimizes power losses and maximizes operational efficiency. The integration of the AS301 Air Shift Cylinder further enhances its functionality, offering convenient and reliable pneumatic control for engaging and disengaging the pump.

At the core of this unit is a precision-engineered hydraulic gear pump, renowned for its reliability, durability, and cost-effectiveness in high-pressure, high-flow applications. With a nominal displacement of 6 cubic inches per revolution, this pump is capable of generating significant hydraulic power. The internal components, particularly the gears, feature a substantial 2.5-inch width, contributing to the pump's impressive volumetric efficiency and its ability to sustain continuous operation under arduous conditions. Gear pumps operate on the principle of using rotating gears to transfer fluid from the inlet to the outlet, creating the necessary flow and pressure for hydraulic actuation. The robust construction ensures minimal internal leakage and consistent performance throughout its operational lifespan.

One of the primary advantages of this unit is its direct mount configuration. By directly coupling to the vehicle's PTO, the system eliminates the need for intermediate drive shafts, U-joints, and additional mounting brackets, common in remote-mount setups. This direct connection significantly reduces the overall footprint, simplifying installation, decreasing potential points of failure, and cutting down on maintenance requirements. The compact design ensures that the pump occupies minimal space, which is critical in modern truck chassis where undercarriage real estate is often at a premium. Furthermore, the direct coupling minimizes torsional vibrations and alignment issues, leading to increased efficiency by reducing mechanical energy losses between the PTO and the pump. This direct-drive methodology translates into more effective power transfer from the engine to the hydraulic system, providing faster cycle times for dump operations and reducing fuel consumption.

The hydraulic performance characteristics of this pump are tailored for heavy-duty applications. It delivers a versatile flow output ranging from 13 GPM (gallons per minute) at 600 RPM to an impressive 46 GPM at 1800 RPM. This wide range of flow rates allows the pump to cater to various dump body sizes and operational requirements, ensuring optimal performance whether lifting smaller utility bodies or larger commercial dump boxes. The linear relationship between pump RPM and flow rate, characteristic of positive displacement gear pumps, allows operators precise control over hydraulic functions by simply adjusting engine speed. At a crucial operating point of 1000 RPM, the pump consistently delivers 25 GPM, which is a common benchmark for many medium-duty applications. The maximum recommended operating speed is 2000 RPM, indicating robust design margins. Coupled with a maximum pressure rating of 2500 PSI (pounds per square inch), this pump provides ample force for lifting heavy loads and overcoming resistive forces inherent in dump operations. The integrated relief valve, factory-set at 2500 PSI, is a critical safety and operational feature. It protects the entire hydraulic circuit from over-pressurization, preventing damage to the pump, hoses, cylinders, and other components, thereby enhancing the longevity and safety of the hydraulic system.

The inclusion of the AS301 Air Shift Cylinder is a key feature that underscores the pump's modern design and user-centric functionality. Pneumatic shifting offers several distinct advantages over traditional manual lever systems. It enables remote engagement and disengagement of the PTO from the cab, significantly improving operator comfort and reducing physical effort. This is particularly beneficial in applications where frequent PTO engagement is required. The air shift mechanism integrates seamlessly with the vehicle's existing air brake system, utilizing readily available compressed air to actuate the PTO. This simplifies the auxiliary system setup and ensures reliable operation. The AS301 cylinder provides a precise and positive engagement, minimizing wear and tear on the PTO clutch mechanism and ensuring a smooth transition of power. This automatic, air-driven control not only enhances operational convenience but also contributes to improved safety by allowing the operator to focus on the task at hand without needing to manually manipulate a shift lever.

Durability is paramount for equipment operating in rigorous construction and municipal environments, and this pump excels in this regard through its robust construction. Manufactured from high-grade cast iron, the pump housing offers exceptional strength, rigidity, and resistance to impact and abrasion. Cast iron is also known for its excellent vibration damping properties, which reduces noise and stress on the internal components, contributing to a longer operational life. Furthermore, its thermal stability helps dissipate heat generated during hydraulic operation, maintaining optimal fluid temperatures. The pump features a standard SAE B 4-bolt mounting flange, a universally recognized interface in the hydraulic industry, ensuring broad compatibility with a wide array of PTO units. The input shaft is a 7/8 inch by 13 spline design, providing a high-strength connection capable of transmitting significant torque without slippage. The splined design distributes the load evenly across multiple teeth, minimizing stress concentrations and maximizing durability under heavy loads and continuous cycling. The pilot diameter of 4.00 inches further ensures a precise and secure alignment with the mating PTO, crucial for preventing premature wear and maintaining system efficiency.

For plumbing and system integration, the pump is equipped with industry-standard NPT (National Pipe Tapered) porting. The inlet (suction) port is generously sized at 1 1/2 NPT, facilitating unrestricted flow of hydraulic fluid from the reservoir to the pump. This large port size helps prevent cavitation, a common issue that can damage pumps and reduce efficiency, especially under high flow demands. The outlet (pressure) port is 1 NPT, providing an adequate passage for the pressurized fluid to the hydraulic control valve and actuators. All ports are conveniently located at the rear of the pump, optimizing hose routing for a compact installation and reducing the likelihood of interference with other vehicle components. The pump's design accommodates both 2-line and 3-line plumbing configurations, offering flexibility to integrate into various hydraulic circuits. A 2-line system typically refers to an open-center circuit where the pump continuously circulates fluid through the control valve and back to the reservoir when the valve is in neutral. A 3-line system, often incorporating 'power beyond' capabilities, allows for additional hydraulic functions to be supplied downstream of the primary control valve, or it may refer to systems utilizing separate drain lines for specific components, ensuring precise fluid management and system efficiency.

Proper installation and configuration are essential for optimal performance and longevity. A critical aspect highlighted in the product description is the necessity to specify the pump rotation (clockwise or counter-clockwise) during the ordering process. The rotational direction of the pump must precisely match the rotational direction of the PTO output shaft to ensure correct operation. Incorrect rotation will prevent the pump from generating pressure and can lead to immediate damage. The clear instruction provided for determining rotation—by viewing the pump with the shaft facing you and the belly of the pump facing down—simplifies this crucial selection process. Furthermore, while the pump provides the core hydraulic power, its integration with a suitable PTO is paramount. Buyers Products offers custom-ordered PTOs specifically designed to match a vast array of vehicle transmissions and applications. Consulting with Customer Service is highly recommended to ensure the selection of the correct PTO, which is a foundational step in building a reliable and efficient hydraulic system.

Beyond its primary application in dump trucks, this direct mount hydraulic pump is also suitable for a range of other heavy-duty mobile equipment requiring robust hydraulic power. These applications can include refuse trucks, roll-off trucks, snowplows, utility vehicles equipped with auxiliary hydraulic functions such as cranes or lifts, and various other vocational trucks. Its capacity for consistent high-pressure and variable flow makes it an adaptable component for any system demanding dependable hydraulic force. The focus on direct mounting, combined with pneumatic control, positions it as an ideal choice for modern fleets seeking to optimize operational efficiency, reduce maintenance overheads, and enhance operator convenience. The high-quality materials and precision engineering ensure a long service life, minimizing downtime and maximizing productivity for commercial operations where equipment reliability is directly linked to profitability.

In summary, the Direct Mount Hydraulic Pump with AS301 Air Shift Cylinder from Buyers Products is a meticulously engineered component that delivers superior hydraulic performance, durability, and operational convenience. Its direct-mount design optimizes power transfer and simplifies installation, while the cast iron construction and splined shaft ensure exceptional longevity. The broad flow range and 2500 PSI pressure rating provide the versatility needed for diverse dump applications, safeguarded by an integrated relief valve. The inclusion of the AS301 Air Shift Cylinder streamlines operation through pneumatic control, making it a highly efficient and user-friendly system. Supported by comprehensive technical specifications and expert assistance for PTO selection, this hydraulic pump stands as a prime choice for professionals demanding uncompromising quality and performance in their mobile hydraulic systems.