Brand: 
5-125111X UDS Universal Joint
$1,200.27
Description
Genuine UDS Series 12.5 C universal joint 5-125111XU with 3.626″ bearing cups and greaseable lubrication for reliable driveshaft performance.
Full Description
The 5-125111XU is a UDS Series 12.5 C universal joint precision-engineered for high-cycle driveshaft environments. Bearing cap diameter 3.626" and overall width 11.024" match the OEM dimensional envelope, while the greaseable configuration allows grease fitting for field maintenance. Engineered for repeatable installation across multiple shaft assemblies.
Technical Specifications -- 5-125111XU
| Specification | Value |
|---|---|
| Part Number | 5-125111XU |
| Brand | UDS |
| Series | 12.5 C |
| Cap Diameter (End 1) | 3.626" |
| Width / Span (End 1) | 11.024" |
| Lubrication | Greaseable |
| Retention Style | WB |
| Notes / Cross-Reference | HWD / HWD |
Fitment & Series Compatibility
The 5-125111XU is dimensionally compatible with all standard Series 12.5 C yokes featuring 3.626"-diameter bore and the WB snap-ring groove pattern. Confirm that both the transmission-side and axle-side yokes specify Series 12.5 C to ensure correct bearing cup engagement depth and adequate retaining ring seating.
Lubrication & Maintenance
The 5-125111XU includes a grease fitting (Zerk) at the center cross, allowing lubrication with standard NLGI #2 moly or lithium-complex grease. Purge old grease at each fitting until fresh grease appears at all four bearing caps. For on-highway applications, re-grease intervals of 5,000 miles or 3 months are typical; off-road and severe-duty applications warrant shorter intervals. Avoid over-pressurizing the fitting to prevent seal extrusion.
Application Notes
Factory application note for 5-125111XU: HWD / HWD. Verify this cross-reference against the vehicle or equipment build sheet when substituting for an OEM part number. When replacing a worn joint, inspect the yoke ears for wear, the snap-ring grooves for deformation, and the bearing bore for out-of-round condition before installing the new assembly.
- Torque all u-bolt or strap bolts to specification after installation
- Balance the driveshaft assembly if replacing the joint on a high-speed shaft
- Use a press or dedicated cross-kit installation tool to prevent bearing cup misalignment
- Do not strike the cross with a hammer once bearing cups are seated
Why Source 5-125111XU from Universal Driveshafts?
Universal Driveshafts stocks a comprehensive range of Spicer and UDS cross kits to minimize downtime for fleet operators, OEM rebuilders, and off-road enthusiasts. The 5-125111XU ships from inventory with no minimum-order requirements. Each joint is packaged to protect bearing cup surfaces and snap rings during transit. Our technical team can assist with cross-referencing legacy part numbers and identifying the correct series upgrade when upgrading to a heavier-duty joint family.
Additional information
| Brand | UDS |
|---|---|
| Cap dia 1 | 3.626 |
| Lube | Y |
| Notes | HWD / HWD |
| Partn number | 5-125111XU |
| Series | 12.5 C |
| Style | WB |
| Width 1 | 11.024 |
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