8K Brake Hub/Drum Kit — Straight Spindle, 25580 Inner & Outer, Valcrum Cap
Part Number: 696104-KIT-VA
This is the special straight-spindle 8,000 lb brake hub/drum kit used on Kaufmann Mini-5 car haulers and Lippert A80-B-MINI5-TOR torsion axles. It uses 25580 bearings for both inner and outer positions and comes upgraded with the Valcrum ST-400 aluminum oil cap for superior durability, heat resistance, and sealing.
Fitment Information
| Axle Type | Straight Spindle – Commercial Duty 8K |
| Known Applications | Kaufmann Mini-5, Lippert A80-B-MINI5-TOR |
| Typical Trailer Type | 5-car haulers, wedge haulers, transport trailers |
| Why It’s “Special” | Uses 25580 inner & outer bearings — rare. WILL NOT fit tapered 8K or standard 7K axles. |
| Spindle Note | Designed only for the straight-shoulder commercial 8K spindle. |
Kit Includes
| (1) 12.25" x 3.375" 8K Brake Hub/Drum — Casting 696104 / 696107 |
| (2) Bearings — 25580 inner & outer (1.75" ID) |
| (1) Oil Seal — 10-225-15 (2.25" x 3.38", replaces 10-63) |
| (1) ST-400 Valcrum Aluminum Cap — O-ring & plug included |
| Factory-Pressed Races in Drum |
Specifications
| Axle Rating | 8,000 lb |
| Brake Size | 12.25" x 3.375" |
| Bearings | 25580 inner & outer |
| Seal | 10-225-15 (replaces 10-63) |
| Pilot Diameter | 4-7/8" |
| Compatible Axles | Commercial torsion axles, Mini-5 transporters |
| Shipping Weight | ~43.5 lbs (ships heavy — free shipping included) |
Important: This hub fits only the special straight-spindle 8K axle that uses 25580 inner & outer bearings. It will NOT fit 7K axles, tapered 8K spindles, Dexter-style 8K, or standard drum configurations. Confirm your spindle size before ordering.