Description
Stemco 448-4836 is a Pro-Torq axle spindle nut for Meritor FF-, FD-, FE-, and FG-series steer axles and Navistar I100S front axles. The nut has a 1-1/2 in – 12 internal thread, takes a 2-1/2 in 6-point socket, ships as a complete assembly with the integrated keeper / lock, and is designed to set bearing preload to within 0.001 in for repeatable wheel-end adjustment.
Specifications
| Manufacturer | Stemco |
|---|---|
| Part Number | 448-4836 |
| Part Type | Pro-Torq Axle Spindle Nut Assembly |
| Thread Size | 1-1/2 in – 12 |
| Socket Size | 2-1/2 in, 6 point |
| Style | D-Flat, with integrated keeper / lock |
| Bearing Cup / Cone | 3782 / 3720 (outer) |
| Axle Application | Meritor FF-, FD-, FE-, FG-series steer axles; Navistar I100S |
Cross References
This nut replaces or is equivalent to the following part numbers:
- Meritor: 1227-B-106, 1227-L-194, 1227-U-541, 1227-X-102, A-1227-A-105
- Navistar / International: 1607743C1
Applications
This Pro-Torq spindle nut fits the following front / steer axles:
- Meritor FD 900, FD 901, FD 961
- Meritor FE 900, FE 903
- Meritor FF 900, 901, 921, 931, 932, 933, 941, 942, 943, 944, 952, 961
- Meritor FG 941
- Navistar I100S front steer axle
Representative trucks using these axles:
- Freightliner, Kenworth, Peterbilt, Mack, Western Star, and International on-highway tractors with Meritor FF-series steer axles
- International / Navistar Class 8 conventionals with the I100S steer axle
Verify the spindle thread (1-1/2 in – 12) and outer bearing cone (3782 / 3720) on your hub before ordering. Torque the Pro-Torq nut per Stemco’s published procedure to set proper bearing endplay.
