Buyers Products B1310 Series Slip Yoke works seamlessly with heavy duty PTO driveline components in order to deliver reliable flexible coupling. The yoke is compatible with other major manufacturers' heavy-duty driveline components. It comes in a variety of bore sizes and shapes to work with your system. The yoke is made of forged steel for strength and durability. It works with Buyers Products 5153XBA U-joints to provide smooth and continuous torque transfer. The B1310 Series Slip Yoke is perfect for heavy duty applications with the ability to handle up to 1560 inch pounds of torque at 1000 RPM continuous duty (approximately 25 HP).
Specifications
| Bore Dia/Width (in.) | 1.375-16 |
|---|---|
| Bore Type | Spline |
| Center Line to End of Hub | 5.375 |
| Finish | Plain |
| Lubricator Thread | 1/4-28 TAPERED |
| Material | Cast Steel |
| Series | B1310 |
The Buyers Products B1310 Series Slip Yoke, featuring a 1-3/8 inch - 16 spline bore, represents a critical component in the architecture of robust Power Take-Off (PTO) driveline systems designed for heavy-duty applications. This meticulously engineered component serves as the interface between the transmission's output shaft or auxiliary gearbox and the drive shaft, facilitating the smooth and reliable transmission of rotational power while accommodating inevitable changes in driveline length. The integration of this slip yoke is paramount for systems operating under dynamic conditions, where axial movement due to suspension travel, chassis flex, or implement articulation necessitates a flexible coupling that maintains constant torque delivery.
At its core, a slip yoke's function is to allow for axial displacement within the driveline assembly without compromising the integrity of power transfer. In a typical PTO application, the distance between the power source and the driven implement or accessory is not static. As vehicles navigate uneven terrain or as implements adjust their position, the effective length of the driveline can fluctuate. Without a mechanism to absorb these length variations, severe stress would be placed on universal joints, bearings, and shaft splines, leading to premature wear, component failure, and potentially catastrophic system breakdown. The B1310 Series Slip Yoke achieves this by incorporating a precision-machined internal spline bore that mates with an external splined shaft. This spline engagement permits the shaft to slide axially into and out of the yoke body, effectively lengthening or shortening the driveline assembly while continuously transmitting torque.
The specified 1-3/8 inch - 16 spline bore is a key attribute of this particular slip yoke, indicating its precise dimensional characteristics and the number of splines. The 1-3/8 inch diameter refers to the major diameter of the internal spline, a standard size chosen to interface with corresponding heavy-duty shafts. The "16" denotes the count of the internal splines. This precise spline configuration is critical for several reasons: it ensures a tight, backlash-minimized fit with the mating shaft, which is essential for smooth torque transfer and the prevention of undesirable vibrations or torsional play. A sufficient number of splines also distributes the torsional load evenly across a larger surface area, significantly reducing stress concentrations and extending the fatigue life of both the yoke and the splined shaft. This adherence to industry-standard spline dimensions underscores the B1310 Series' compatibility with a wide array of heavy-duty PTO driveline components from various manufacturers, streamlining replacement and integration processes.
The material selection for such a critical component is paramount, and the B1310 Series Slip Yoke is constructed from high-quality cast steel. While the general description mentioned "forged steel," the specific technical specifications confirm "Cast Steel." This distinction is important for understanding the component's metallurgical properties and performance characteristics. Advanced casting processes for steel allow for complex geometries and can produce components with excellent strength, rigidity, and wear resistance, particularly when coupled with subsequent heat treatments. Cast steel offers a favorable balance of cost-effectiveness and mechanical properties suitable for demanding heavy-duty applications. The controlled microstructure of quality cast steel provides the necessary tensile strength and yield strength to withstand high torsional loads and repetitive stress cycles encountered in PTO operations. Furthermore, the inherent damping characteristics of cast steel can contribute to reducing noise and vibration within the driveline system.
Durability is further enhanced through precision machining processes applied to the cast steel component. Critical surfaces, such as the spline bore and the universal joint bearing saddles, are machined to tight tolerances to ensure optimal fit and performance. The "Plain" finish specified for the yoke typically indicates that the component's critical functional surfaces are left in their machined state, prioritizing dimensional accuracy and surface integrity over cosmetic coatings. This finish allows for immediate integration into an assembly and ensures consistent material properties at the points of contact and load transmission. For enhanced corrosion resistance or specific aesthetic requirements, secondary coatings can be applied by system integrators if necessary, but the inherent strength and fit are derived from the precision of the plain-finished steel.
The B1310 Series Slip Yoke is specifically designed to work in conjunction with Buyers Products 5153XBA U-joints. This synergistic design ensures optimal performance and longevity for the entire driveline assembly. Universal joints are fundamental for transmitting torque and rotational motion between shafts operating at varying angles. The slip yoke provides the necessary interface for the U-joint's cross and bearings, forming a robust connection that can articulate under dynamic conditions. The precise machining of the bearing saddles within the yoke ensures a snug fit for the U-joint bearing cups, preventing play and minimizing wear. This integrated design approach by Buyers Products guarantees that the B1310 Series Slip Yoke and the 5153XBA U-joints function as a cohesive unit, mitigating vibration, reducing stress on adjacent components, and ensuring smooth, continuous torque transfer even when the driveline operates at significant angular misalignment.
A crucial specification for any driveline component is its torque capacity. The B1310 Series Slip Yoke is rated to handle up to 1560 inch-pounds of torque at 1000 RPM for continuous duty. To contextualize this: 1560 inch-pounds is equivalent to 130 foot-pounds (1560 in-lbs / 12 in/ft = 130 ft-lbs). This torque capacity, when coupled with a rotational speed of 1000 RPM, translates to approximately 25 horsepower (HP = (Torque in ft-lbs * RPM) / 5252). The "continuous duty" rating signifies that the component is engineered to sustain this level of power transmission for extended periods without degradation or failure, assuming proper operation and maintenance. This robust capacity makes the B1310 Series suitable for a variety of heavy-duty applications where moderate power levels are required consistently, such as powering hydraulic pumps, auxiliary compressors, agricultural machinery attachments like smaller mowers, spreaders, or conveyors, and various industrial equipment requiring reliable PTO functionality. The design factors contributing to this capacity include the high-strength cast steel material, the geometry of the yoke arms, the precision of the spline engagement, and the integrity of the U-joint interface.
Effective lubrication is indispensable for the prolonged service life of any driveline component, especially a slip yoke that experiences axial movement. The B1310 Series features a lubricator thread, specifically a 1/4-28 TAPERED thread. This detail highlights the manufacturer's commitment to facilitating proper maintenance. The tapered thread design ensures a secure, leak-proof connection for a standard grease fitting (Zerk fitting), preventing contaminants from entering the spline interface and retaining lubricants effectively. Regular greasing through this fitting introduces fresh lubricant into the spline bore, reducing friction between the mating splines during axial movement, preventing galling and corrosion, and dampening minor vibrations. This preventative maintenance step is crucial for maintaining the smooth operation, reducing wear, and extending the operational lifespan of the slip yoke in demanding environments.
The "Center Line to End of Hub" dimension of 5.375 inches is a critical measurement for driveline designers and fabricators. This dimension defines the distance from the centerline of the universal joint's cross bore to the outermost end of the slip yoke's hub. It is essential for accurately calculating driveline lengths, ensuring proper clearance within the chassis, and maintaining correct phase angles between universal joints. Precision in this measurement contributes to the overall balance of the driveline assembly, which is vital for minimizing vibrations and harmonic resonance at operational speeds, thereby protecting bearings and other rotating components from premature failure.
The B1310 Series is part of a broader family of driveline components offered by Buyers Products, indicating its integration within a comprehensive system designed for heavy-duty applications. This series designation assures users of consistent quality, compatibility with other Buyers Products components, and adherence to specific design standards. The availability of various bore sizes and shapes within the B1310 Series further enhances its versatility, allowing for precise customization to meet the unique requirements of diverse PTO systems and ensuring that an optimal fit can be achieved for a wide range of driven shafts.
Installation and ongoing maintenance considerations are paramount to maximizing the performance and longevity of the B1310 Series Slip Yoke. Proper installation includes ensuring correct driveline angles, appropriate phasing of universal joints, and secure fastening of all components. Misalignment or improper phasing can induce significant torsional vibrations and accelerate wear on the slip yoke, U-joints, and associated bearings. Regular inspection for signs of wear, such as excessive play in the spline or U-joint, rust, or damage to the yoke body, is highly recommended. Adhering to a diligent lubrication schedule, utilizing the provided lubricator thread, is perhaps the most critical maintenance task, ensuring that the sliding splines remain well-lubricated and protected from environmental contaminants. This proactive approach to maintenance will significantly contribute to the reliability and extend the operational life of the slip yoke in demanding heavy-duty environments.
In summary, the Buyers Products B1310 Series Slip Yoke with its 1-3/8 -16 inch spline bore is a robust, technically advanced component engineered for high-performance heavy-duty PTO driveline systems. Its cast steel construction, precision spline interface, and specific design for compatibility with Buyers Products 5153XBA U-joints ensure durable and efficient torque transfer. With a continuous duty rating of 1560 inch-pounds of torque at 1000 RPM, translating to approximately 25 horsepower, it is well-suited for a myriad of challenging applications requiring reliable power transmission and the accommodation of axial length changes. The inclusion of a 1/4-28 TAPERED lubricator thread underscores its design for maintainability, ensuring extended operational life through proper lubrication. This slip yoke stands as a testament to Buyers Products' commitment to delivering high-quality, dependable solutions for the most demanding power take-off applications, offering seamless integration, superior durability, and consistent performance across diverse heavy-duty platforms.
