28628-1X Gearset | Genuine Dana D28628X, Meritor/AxleTech, 9/41 R4.56

28628X Gearset | 4.56 Ratio | Dana Spicer Rockwell AxleTech | New Off-Highway

The 28628X / D28628X is a New Genuine Dana Spicer ring & pinion gearset for rugged off-highway differential applications across Dana Spicer, Rockwell, Meritor, and AxleTech housings. Built for durability and precision, this set delivers a 4.56 final drive ratio.

Specs & Features

• Part Number: 28628X (Alt: D28628X)
• Brand: Dana Spicer / AxleTech
• Application: Off-Highway Differentials (Dana Spicer / Rockwell / Meritor / AxleTech)
• Condition: New Genuine
• Gear Ratio: 4.56

Ring Gear — 37113

• Tooth Count: 41
• Diameter: 12.500"
• Bolt Holes: 12 (5/8-18)

Pinion — 37112

• Tooth Count: 9
• Pinion Diameter: 1.575"
• Splines: 37
• Inner Bearing Surface Ø: 2.190"

Pinion Bearing Compatibility

• Inner: HM813810 (cup) / HM813840 (cone)
• Outer: HM804810 (cup) / HM804843 (cone)
• Compatible with NTN, Timken, SKF, Bower, BCA

What’s Included

• 1 × Dana Spicer Ring Gear — 37113
• 1 × Dana Spicer Pinion Gear — 37112
• Note: No bearings, shims, or pinion hardware included

Fitment Notes

• For select off-highway Dana Spicer / Rockwell / Meritor / AxleTech differential models.
• Verify spline count, bearing set, and housing compatibility before ordering.

Image Disclaimer

Photos may be stock or representative. Contact us for exact images if needed.

Warranty Policy

Sold as-is; no warranty expressed or implied

Location

Mansfield, Ohio — 419-522-3320

Heavy-Duty Solutions — Built to Perform. Trusted to Last.