Trailer Axle Spindle
8,000 lb Capacity – Integrated Brake Flange
Part Number: 66-8K
Miller Automotive Technology (MAT) 66-8K spindle designed for 8,000 lb trailer axles. Heavy-duty forged spindle with integrated brake flange and cotter pin hole. Ideal for axle repair, fabrication, or custom trailer builds.
Features
- 8,000 lb axle capacity rating
- Integrated brake mounting flange
- Machined inner and outer bearing surfaces
- Cotter pin castle nut retention design
- Heavy-duty forged steel construction
Specifications
| Capacity | 8,000 lbs |
| Inner Bearing Surface | ~1.75" |
| Outer Bearing Surface | ~1.50" |
| Seal Surface | ~2.25" |
| Overall Length | ~9–10" |
| Brake Flange | Integrated 5-bolt pattern |
Verify specifications before installation.