The Hendrickson Backbone, part number R-010563-1 or R0105631, is a heavy-duty axle truss knuckle designed for use in commercial truck driveline and axle applications. Also described as a one-piece knuckle, this component fits the backbone or knuckle position in the axle assembly. Cross-references include HIR-010563-1, HDR R 010563 1, HDRR0105631, HLAR0105631, 8446-R0105631, and 8446R0105631 - making it straightforward to verify against your existing part numbers. Sold as a single unit by Pro Gear and Transmission. Call us to confirm proper fitment for your specific application.
Features
Hendrickson part number R-010563-1, also cataloged as R0105631 and HIR-010563-1
Described as a knuckle, backbone, or one-piece knuckle for axle truss applications
Cross-references: 8446-R0105631, 8446R0105631, HDR R 010563 1, HDRR0105631, HLAR0105631
Sold as a single (each) unit
Genuine Hendrickson component for driveline and axle systems
Tech Specs
- Part Number: R-010563-1
- Alternate Part Number: R0105631
- Manufacturer Part Number: HIR-010563-1
- Component Type: Backbone / One-Piece Axle Knuckle
- Category: Axle Truss (Driveline and Axles)
- Unit of Measure: Each
- Cross References: 8446-R0105631, 8446R0105631, HDR R 010563 1, HDRR0105631, HLAR0105631
