10" Free Backing Hydraulic Brake Kit – 3500 lb – 5 on 4.5
Part Number: 94545-FREE-BACKING-KIT
Complete 10" free-backing hydraulic brake kit for 3,500 lb trailer axles. Designed for boat trailers used in fresh water applications. Includes left and right hydraulic backing plates, hub/drums, and bearing kits.
R&P Knowledge Hub
Free-backing hydraulic brakes allow the trailer to roll in reverse without activating the brakes. This is ideal for boat trailers when backing down a launch ramp.
This kit is configured for standard 3,500 lb axles using L44649 outer and L68149 inner bearings. Confirm spindle size and bolt pattern before ordering. Designed primarily for fresh water use.
Features
- 10" x 2.25" hydraulic free-backing brake assemblies
- 5 on 4.5 bolt pattern hub/drums
- 1/2" wheel studs
- Fits standard 3,500 lb axles
- Left and right assemblies included
Specifications
| Specification | Detail |
| Axle Rating | 3,500 lb |
| Brake Size | 10" x 2.25" |
| Brake Type | Hydraulic – Free Backing |
| Bolt Pattern | 5 on 4.5" |
| Wheel Stud Size | 1/2" |
| Bearing Configuration | L44649 / L68149 |
Kit Includes
- (1) AKFBBRK-35L – 10" x 2.25" Hydraulic Free-Backing Plate – Left (Driver Side) – 4-Bolt Mount – 3,500 lb
- (1) AKFBBRK-35R – 10" x 2.25" Hydraulic Free-Backing Plate – Right (Curb Side) – 4-Bolt Mount – 3,500 lb
- (2) 94545-1 Hub/Drums – 5 on 4.5 Bolt Pattern – 1/2" Studs – Fits 3,500 lb Axles
- (2) HD-3500-KIT Bearing Kits (Each Includes):
- 1 × L44649 Outer Bearing (1-1/16")
- 1 × L68149 Inner Bearing (1-3/8")
- 1 × 10-19 Grease Seal (1.71" x 2.56")
- 1 × 1.98" Dust Cap (DC-200L)
- 1 × Dust Cap Cover (DC-RP)
Verify axle rating, spindle size, and bolt pattern before installation.
