Description
3-4-6561-1 UDS 1410 series BS end yoke. 1.500 in x 10 spline, 1.812 in hub dia, 2.000 in through hole, 3.719 in CJ-to-end. Count output shaft splines before ordering.
3-4-6561-1 UDS 1410 Series End Yoke
The 3-4-6561-1 is a UDS 1410 series end yoke in BS style, with a 1.500-inch spline diameter and 10-spline count. The hub diameter is 1.812 inches, the through-hole measures 2.000 inches, and the centerline-to-end dimension is 3.719 inches. This yoke splines onto the transmission output shaft, transfer case output, or axle stub and mates with a 1410 series U-joint at its ears.
Specifications
- Part Number: 3-4-6561-1
- Brand: UDS
- Series: 1410
- Style: BS
- Spline Diameter: 1.500 in
- Spline Count: 10
- Hub Diameter: 1.812 in
- Through Hole: 2.000 in
- Center U-Joint to End: 3.719 in
When fitting the 3-4-6561-1, count the output shaft splines and measure the pilot diameter before ordering. This yoke runs a 10-spline, 1.500-inch bore — a specification found on certain heavy-duty GM, Ford, and transfer case outputs. Misidentifying a 32-spline shaft as a 10-spline, or vice versa, will prevent the yoke from seating properly on the output shaft.
The 3-4-6561-1 requires a 1410 series U-joint to match its ear dimensions. The 2.000-inch through-hole accommodates companion fasteners or locking hardware for output shaft retention. Verify the 1.812-inch hub diameter clears the output shaft housing bore to avoid interference on final assembly.
| Cj to end | 3.719 |
|---|---|
| Hub dia | 1.812 |
| Partn number | 3-4-6561-1 |
| Series | 1410 |
| Splines count | 10 |
| Splines dia | 1.500″ |
| Style | BS |
| Through hole | 2.000″ |
| Brand | UDS |
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