The P2000 Series PTOs from Buyers Products are designed for Eaton Fuller manual transmissions. Each unit is made up of a heavy-duty, cast-iron body, along with a pump mounting flange for superior support of the pump. We offer multiple speed ratios designed for most Eaton Fuller, Road Ranger, and 8-bolt bottom mount applications.
Specifications
| For Use With | Buyers?? Brand Hydraulic Pumps for various Eaton?? Transmission applications |
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The P2000 Series Power Take-Off (PTO) from Buyers Products represents a pinnacle of engineering excellence in auxiliary power transmission systems for commercial vehicles. Meticulously designed for integration with a wide array of Eaton Fuller manual transmissions, including popular Road Ranger models and other 8-bolt bottom mount applications, this PTO unit is engineered to deliver unwavering performance and exceptional durability in the most demanding operational environments. Its core function is to efficiently divert mechanical power from the vehicle’s transmission to drive hydraulic pumps, air compressors, generators, or other ancillary equipment, thereby enabling a diverse range of vocational applications from refuse collection to snowplowing, and construction to utility services. This specific configuration, featuring an 8-bolt mounting, low ratio gearing, direct mount design, air shift engagement, a rotatable mounting flange, a 7/8"-13 T splined shaft, and a rear position installation, is optimized for maximum versatility, robust performance, and streamlined integration.
At the heart of the P2000 Series PTO lies its heavy-duty, cast-iron body. The selection of cast iron as the primary structural material is a deliberate engineering choice, reflecting a commitment to superior strength, rigidity, and thermal management. Cast iron possesses excellent damping properties, which effectively mitigate noise, vibration, and harshness (NVH) levels during operation, contributing to a smoother and quieter system. Furthermore, its inherent metallurgical composition provides exceptional resistance to fatigue, shock loading, and wear, ensuring an extended operational lifespan even under continuous, high-stress conditions. The robust nature of the cast-iron housing also plays a critical role in dissipating heat generated during power transfer, maintaining optimal internal operating temperatures and safeguarding the longevity of internal components such as gears and bearings. Precision machining of the cast-iron body ensures exact alignment of all internal components and external interfaces, which is paramount for efficient power transfer and minimized wear.
The 8-bolt mounting standard is a key attribute of the P2000 Series PTO, signifying its capability for heavy-duty applications. This industry-standard pattern, typically conforming to SAE specifications, provides a significantly larger and more stable mounting interface compared to 6-bolt alternatives. The increased number of mounting points distributes the mechanical stress more evenly across the transmission case, reducing the potential for stress concentrations and ensuring a secure, vibration-resistant attachment. This robust connection is critical for maintaining precise alignment between the PTO and the transmission’s countershaft, thereby minimizing backlash and optimizing the engagement of the PTO drive gears. The inherent strength of the 8-bolt interface is essential when coupling the PTO to large, heavy hydraulic pumps or other high-power-demand auxiliary equipment, providing the necessary structural integrity to withstand substantial torque loads and dynamic forces encountered during demanding operational cycles.
The low ratio gearing, a fundamental characteristic of this P2000 PTO variant, is specifically engineered to achieve significant torque multiplication while reducing output shaft speed. This particular gearing strategy is invaluable for hydraulic systems that demand high fluid flow and pressure at lower engine RPMs. By leveraging a low gear ratio, the PTO allows the hydraulic pump to operate closer to its optimal volumetric efficiency curve even when the vehicle engine is idling or operating at low speeds. This not only enhances the performance of hydraulic implements but also contributes to fuel efficiency by reducing the need for the engine to rev higher to achieve desired hydraulic output. The internal gear train, constructed from high-strength, heat-treated alloy steels, is designed for maximum durability and minimal power loss. Each gear tooth undergoes meticulous grinding and finishing processes to ensure precise meshing, reducing friction, wear, and operational noise, while maximizing the kinematic efficiency of power transmission from the transmission’s drive gear to the PTO’s output shaft. The low ratio also contributes to a smoother engagement and reduced shock loads on the entire driveline during activation.
A significant advantage of the P2000 Series PTO is its direct mount configuration. This design eliminates the need for an intermediate driveshaft, universal joints, and their associated mounting hardware, which are typically required in remote mount PTO systems. The direct mounting approach offers several substantial benefits: it drastically reduces the overall installation complexity and time, minimizing labor costs and potential points of failure. By eliminating the driveshaft, the system becomes inherently more compact, conserving valuable chassis space—a critical consideration in modern commercial vehicle designs where space is at a premium. Furthermore, direct mounting improves the overall power transfer efficiency by removing the rotational inertia and frictional losses associated with an additional driveshaft. It also enhances the system’s stability and reduces potential sources of vibration, leading to a quieter and more reliable operation. The direct coupling ensures precise alignment between the PTO and the hydraulic pump, optimizing the performance and longevity of both components and reducing the likelihood of premature bearing or seal wear in the pump.
The air shift engagement mechanism further elevates the operational sophistication of the P2000 Series PTO. Pneumatic actuation offers several distinct advantages over traditional manual or cable-shifted systems. First, it enables remote activation, allowing the operator to engage or disengage the PTO from the comfort and safety of the vehicle cab, without needing to physically interact with the PTO unit itself. This is particularly beneficial in applications where the PTO is located in an inaccessible or hazardous area. The air shift system provides smooth and controlled engagement, minimizing shock loads to the transmission and the driven equipment, which prolongs the life of the entire power take-off system. It integrates seamlessly with the vehicle’s existing air brake or auxiliary air system, simplifying installation and reducing the need for additional independent power sources. Modern air shift systems often incorporate safety interlocks that prevent accidental engagement or disengagement, enhancing operational safety and preventing damage to the driven equipment or the transmission. The robust pneumatic cylinder and linkage assembly are designed to withstand continuous cycling and provide reliable performance across a wide range of ambient temperatures and environmental conditions.
One of the most valuable features for installers and vehicle upfitters is the rotatable mounting flange. This innovative design allows the hydraulic pump to be oriented in multiple positions relative to the PTO body, typically in 30 or 45-degree increments. The ability to rotate the pump mounting flange provides unparalleled flexibility in accommodating various chassis constraints, optimizing hydraulic hose routing, and managing clearance issues with other vehicle components such as frame rails, fuel tanks, exhaust systems, or driveline components. In complex vehicle layouts, the optimal orientation of the hydraulic pump can significantly simplify the installation process, reduce custom fabrication, and improve the overall aesthetics and serviceability of the hydraulic system. This adaptability ensures that the PTO can be effectively integrated into a wider range of vehicle models and vocational applications without compromising performance or requiring extensive modifications, thereby reducing installation time and costs. The flange rotation mechanism is designed for secure locking once the desired orientation is achieved, ensuring stable and reliable pump attachment.
The PTO’s output interface is specified as a 7/8"-13 T splined shaft, a widely recognized and utilized standard in the hydraulic industry, typically conforming to SAE J744 specifications for power take-off drive shafts. This precise specification guarantees broad compatibility with a vast array of hydraulic pumps from various manufacturers, including Buyers® Brand Hydraulic Pumps, which are explicitly supported. The splined design is critical for efficiently transmitting high torque loads from the PTO to the hydraulic pump. Splines provide a robust, positive, and backlash-free connection, ensuring that rotational power is transferred with minimal loss and wear. The 7/8-inch diameter and 13-tooth spline count are optimized for the torque ranges typically associated with medium to heavy-duty hydraulic applications, balancing strength with the need for a compact interface. The shaft material itself is typically constructed from high-alloy steel, precision-machined, and often heat-treated to enhance its surface hardness and fatigue resistance, ensuring reliable long-term performance under continuous power transmission. Proper engagement with the pump’s input shaft is crucial for preventing premature wear and maintaining system integrity.
The rear position mounting of this P2000 Series PTO indicates its installation location on the rear end of the transmission casing. This is a common and often preferred mounting configuration for many vocational trucks, as it typically allows for direct engagement with a dedicated PTO drive gear or an extension of the countershaft within the transmission. Rear-mounted PTOs often provide optimal clearance for hydraulic pump installations, especially when coupled with the rotatable mounting flange. This positioning also contributes to a balanced weight distribution when heavy hydraulic pumps are attached and generally offers good accessibility for routine inspections and maintenance. The design ensures that the PTO’s internal gearing can directly interface with the transmission's power take-off provisions, providing a direct and efficient path for power extraction without compromising the integrity or performance of the transmission itself.
The compatibility spectrum of the P2000 Series PTO is extensive, primarily targeting Eaton Fuller manual transmissions. Eaton Fuller transmissions are globally renowned for their ruggedness, reliability, and widespread use in commercial vehicle segments. This includes a multitude of Eaton Fuller manual transmission series, such as the popular Road Ranger line, known for its heavy-duty performance and widespread adoption in vocational and over-the-road applications. The P2000 Series is designed to seamlessly integrate with these transmissions, leveraging their internal architecture for power extraction. Furthermore, its universal 8-bolt bottom mount design ensures compatibility with other transmission brands and models that adhere to this industry-standard mounting pattern, expanding its application versatility. The robust design and precise engineering ensure that the PTO operates harmoniously with the transmission, minimizing stress on the transmission’s internal components and preserving its longevity. When paired with Buyers® Brand Hydraulic Pumps, the P2000 Series PTO forms a cohesive and optimized hydraulic power system, guaranteeing synchronized performance and adherence to system design specifications.
In terms of performance, the P2000 Series PTO is engineered for maximum power transfer efficiency. The low ratio gearing, combined with precision-machined gears and high-quality bearings, minimizes frictional losses during operation. This translates into more usable hydraulic power delivered to the implements and reduced parasitic load on the vehicle's engine, ultimately contributing to better fuel economy and lower operational costs. The cast-iron body's thermal properties, coupled with optimal internal lubrication, ensure that the PTO can operate continuously without overheating, even during prolonged, heavy-duty cycles. The robust construction and material selection contribute to low NVH characteristics, providing a more comfortable operating environment and reducing the potential for premature wear caused by excessive vibration. Each P2000 unit undergoes rigorous quality control and testing to ensure it meets Buyers Products’ stringent performance and reliability standards.
Installation and maintenance of the P2000 Series PTO are designed to be straightforward and user-friendly, despite its technical sophistication. The direct mount feature significantly streamlines the installation process, reducing the number of components and steps required. The rotatable mounting flange provides additional flexibility, allowing for optimal pump positioning without complex custom bracketry. For maintenance, the robust cast-iron body and high-quality internal components minimize the need for frequent servicing, focusing primarily on proper lubrication and periodic inspection. The sealed nature of the unit helps protect internal gears and bearings from environmental contaminants, extending service intervals and reducing overall cost of ownership. The design prioritizes durability and reliability, ensuring that the PTO performs consistently over an extended service life in harsh working conditions, thereby maximizing vehicle uptime and productivity.
The P2000 Series PTO with its specific configuration – 8-bolt, low ratio, direct mount, air shift, rotatable mounting flange, 7/8"-13 T splined shaft, and rear position – embodies a superior solution for demanding vocational applications requiring robust and efficient hydraulic power. Its meticulously engineered features, from the heavy-duty cast-iron construction to the precision gearing and flexible mounting options, are all designed to deliver uncompromising performance, reliability, and ease of integration. This PTO is not merely an accessory but a critical, high-performance component that empowers commercial vehicles to execute their specialized tasks with greater efficiency, control, and durability. For fleet managers and equipment operators seeking a reliable, high-quality power take-off solution that promises extended operational life and reduced downtime, the P2000 Series PTO from Buyers Products stands as an exemplary choice, ensuring optimal performance of auxiliary hydraulic systems across a wide spectrum of severe-duty applications.
