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(888) 312-8812 Login SignupThe Meritor Opticast balanced brake drum combines cost efficiency and exceptional over-the-road performance. Its lightweight, versatile design makes it suitable for use with trucks, trailers, buses, construction, and utility vehicles.
| Inside Diameter | 16.5 in. |
| Bolt Hole Quantity | 10 |
| Mounting Hole Diameter | 11-1/4 in. |
| Bolt Hole Diameter | 1.08 in |
| Brake Surface Width | 7.46 in. |
| Brake Width | 7 in. |
| Drum Mounting Type | Outboard |
| Drum Type | AD |
| Gross Axle Weight Rating | 23000 lbs. |
| Overall Depth | 10.54 in. |
| Pilot Diameter | 8.78 in. |
| Type | Opti-Cast Balanced |
| Wheel Type | Disc |
| Brand | Part Number |
|---|---|
| Gunite | 3299X, 3922X |
| Webb | 56864B |
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