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

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

The 28628X / D28628X is a New Genuine Dana Spicer ring & pinion gearset designed for rugged off-highway differential applications. This set fits Dana Spicer, Rockwell, Meritor, and AxleTech housings and delivers a strong 4.56:1 final drive ratio (41/9 tooth count). Built for durability in construction, mining, logging, and heavy off-road equipment. In stock and ready to ship from Discount Parts Exchange (DPX), Mansfield, Ohio.

Call for pricing & availability: 419-522-3320.

Specs & Features

• Part Number: 28628X (Alt: D28628X)
• Manufacturer: Dana Spicer / Rockwell / Meritor / AxleTech
• Gear Ratio: 4.56:1
• Tooth Count: 41 Ring / 9 Pinion
• Application: Off-Highway Differentials
• Condition: New Genuine

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 Timken, NTN, SKF, Bower, BCA and other major brands

What’s Included

• (1) Dana Spicer Ring Gear — 37113
• (1) Dana Spicer Pinion Gear — 37112
• Note: Bearings, shims, seals, and pinion nut sold separately

Fitment Notes

• Designed for select off-highway Dana Spicer, Rockwell, Meritor, and AxleTech differentials
• Common in heavy construction, mining, forestry, and severe-duty applications
• Always verify your housing, spline count, and bearing setup before ordering

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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.

Shipping / Location

• Ships from our Mansfield, Ohio warehouse (419-522-3320)
• Parcel or LTL options available based on packaging and weight
• Warehouse Bin Location: DPX_OH_BR549_DAN

Heavy-Duty Solutions — Built to Perform. Trusted to Last. Discount Parts Exchange (DPX).