Stud-Piloted 10,000 lb Hub & Drum Kit for Electric or Hydraulic Brakes
Part Number: 99-86510-568270-KIT
This listing is for a complete stud-piloted hub and drum kit designed for 10,000 lb axle brake applications using either electric or hydraulic brakes. The kit includes the hub/drum casting along with all primary wear components required for installation on compatible spindles.
This assembly uses a 12-1/4" brake drum with 3-1/2" wide brake shoes and an 8-stud, stud-piloted wheel mounting system.
Features
- Stud-piloted hub and drum assembly for 10,000 lb axles
- Compatible with electric or hydraulic brake systems
- 12-1/4" drum diameter with 3-1/2" brake shoe width
- 8 wheel studs with 5/8"-18 thread
- 6-1/2" bolt circle
- Hub pilot diameter of 4.88"
- Casting numbers commonly marked 7290 or 7170
- Includes bearings, seal, oil cap components, and armature plate
Specifications
| Axle Rating | 10,000 lb |
|---|---|
| Drum Diameter | 12-1/4" |
| Brake Shoe Width | 3-1/2" |
| Wheel Stud Count | 8 |
| Wheel Stud Size | 5/8"-18 TPI |
| Bolt Circle | 6-1/2" |
| Hub Pilot Diameter | 4.88" |
| Bearings Included | 28580 (inner) & 25580 (outer) |
| Seal Included | 91030 |
| Oil Cap Included | 021-219-00 |
| Oil Cap O-Ring | 010-258-00 |
| Oil Cap Plug | 085-017-00 |
| Armature Plate | Included |
| Manufacturer References | Dexter K71-481-09 · AL-KO 568270 |
Fitment Advisory: This is a stud-piloted hub and drum kit intended for specific 10,000 lb axle and brake configurations. It is not interchangeable with hub-piloted or lug-centric assemblies. Always verify spindle bearing sizes, brake dimensions, stud type, and hub pilot diameter before installation.