Brake Drum, 12-1/4 in x 7-1/2 in, 8 holes, (83 lb)
#GUN3887
Product Overview
This 12.25 in x 7.5 in brake drum is designed for trailer axles. It features 8 bolt holes, an outboard mounting, and a durable cast construction for reliable braking performance.
Features & Benefits
- All Gunite Brake Drums & Disc Brake Rotors Are Fully Protected by One of the Industrys Most Comprehensive Warranties on Material and Workmanship.
- Manufactured to Meet or Exceed O.E.M. Specifications in Function. Form & Fit.
- Gunite Brake Drums & Disc Brake Rotors Are Available Nationwide Through Over 400 Independent Warehouse Distributors. and Various O.E.M. Dealer Networks.
- Gunite Brake Drums & Rotors Offer a Level of Engineering Quality That Meets or Surpasses the Requirements of Every Truck & Trailer Manufacturer.
- Gunite Offers the Industry's Most Complete Line of Brake Drums & Disc Brake Rotors.
Specifications
| Application | Trailer Axles |
| Back Plate Thickness | 1/2 in (1.27 cm) |
| Bolt Circle Diameter | 10-53/64 in (27.51 cm) |
| Bolt Hole (Number) | 8 |
| Brake Shoe Width | 7-1/2 in (19.05 cm) |
| Brake Size | 12-1/4 in x 7-1/2 in |
| Brake Surface Diameter | 12-1/4 in (31.12 cm) |
| Brake Surface Flat | 9 in (22.86 cm) |
| Brake Surface Width | 10 in (25.4 cm) |
| Drum Mounting | Outboard |
| Drum Type | BAA |
| Dust Shield Recess Depth (C) | 21/32 in (1.67 cm) |
| Dust Shield Recess Diameter (B) | 13-17/64 in (33.7 cm) |
| Flange Thickness | 1/2 in (1.27 cm) |
| Hole Size | 1 in (2.54 cm) |
| Material | Standard Cast |
| Maximum Diameter | 12-3/8 in (31.44 cm) |
| Overall Depth | 11-7/32 in (28.5 cm) |
| Packaging | Individual / Bulk |
| Pilot Diameter | 9 in (22.86 cm) |
| Type | Cast |
| VMRS Code | 013-017-006 |
| Weight | 81 to 85 lbs |
| Weight (lbs) | 37.65 kg (83 lb) |
| Wheel Type | Disc |
| Width | 8-5/8 in (21.91 cm) |
Interchanges & Equivalent parts:
| 63680 |
| 151.27505 |
| 03-00050 |
| 54244-018 |
| 63680F |
| X61132 |
| 2013152C91 |
| 54244-01 |
| GUN 3887 |
| GUN3887 |
| WWD 63680F |
| ZBR3887 |
