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The Gunite brand product line includes 100% made in the USA brake drums, disc wheel hubs, spoke wheels and rotors, as well as slack adjusters, for the heavy- and medium-duty trucking, off-highway and bus markets and their related aftermarkets. The Gunite product search includes numerical, interchange/cross-reference, dimensional, application, and conversion features to make it easy to find the exact Gunite wheel end product you need.
| Gunite Part Number: | 3887 |
| Aftermarket Status: | Active |
| Captive Part Number To: | |
| O.E. Service Replacement: | |
| Limitations: | |
| Aftermarket Replacement: | |
| Limitations: | |
| Drum Specifications: | |
| Finished Weight: | 83 |
| Maximum Wear Diameter: | 12.37 |
| Drum Mount: | Outboard |
| Drum Type: | BAA |
| Wheel Type: | Disc |
| A - Overall Diameter: | |
| B - Dust Shield Recess Diameter: | 13.26 |
| C - Dust Shield Recess Depth: | 0.66 |
| Brake Size: | 12.25x7.50 |
| D - Brake Surface Diameter: | 12.25 |
| E - Brake Surface Width: | 10 |
| F - Mounting Flange Diameter: | |
| G - Overall Depth: | 11.22 |
| H - Pilot Diameter: | 9 |
| I - Bolt Circle Diameter: | 10.82 |
| J - Number of Bolt Holes: | 8 |
| Bolt Hole Size: | 1 |
| K - Squealer Band Width: | |
| L - Mounting Flange Thickness: | 0.5 |
| M - Outside Sidewall Diameter: | |
| N - Sidewall Offset: | |
| O - Inside Finished Diameter: | |
| Special Information: | |
| Brake Size | 7.5 |
| Bolt Circle Diameter (In.) | 12.25 |
| Bolt Holes And Size | 8.00 |
| Overall Depth (In.) | 11.22 |
| Pilot Diameter (In.) | 9 |
| Brake Type | BAA |
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