Brake Drum
Rear Drum Specifications11" Rear Drum
Nominal Diameter 11.030"
Maximum Machine Limit 11.090"
Discard Diameter *
Runout Limit .008"
12" Rear Drum
Nominal Diameter 12.125"
Maximum Machine Limit 12.185"
Discard Diameter *
Runout Limit .008"
* - Discard when the diameter is greater than the Maximum Machining specification