The Dayton 06-224 is a high-strength, direct-replacement spindle nut engineered for heavy-duty trailer axles. Designed for manual adjustment systems, this nut features an integrated dowel pin to ensure precise alignment and secure bearing retention on tapered spindles.
Direct Replacement: Engineered to match the exact fit, thread pitch, and function of the original factory hardware.
Integrated Dowel Pin: Features a pre-installed dowel pin for "manual adjust" locking systems, preventing nut migration.
Heavy-Duty Build: Constructed from premium materials to resist fatigue and withstand the high-torque environments of commercial trucking.
Proven Reliability: Backed by over 100 years of automotive expertise and rigorous quality standards.
| Attribute | Value |
| Part Number | 06-224 |
| Nut Type | 8-Point (with Dowel Pin) |
| Thread Size | 2.37 in |
| Across the Flats | 3.81 in |
| Height | .50 in |
| Spindle Type | Tapered |
| Axle Application | Rockwell/Meritor RN, TN, TKN |
| Weight | 1.10 lbs |
This component is a direct interchange for the following industry part numbers:
| Manufacturer | Part Number | Notes |
| Meritor | A-1227-S-877 / 1227S877 | Primary OE Reference |
| Meritor | R002128 | Service Replacement |
| Euclid | E2128 | Aftermarket Interchange |
| Spicer/Dana | 12-399 / 12399 | Direct Replacement |
| Paccar/Dana | L-1025 / L1025 | Direct Replacement |
| VMRS | 011-001-016 | Industry Standard Code |
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
