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Drum Brake Specifications

DRUM BRAKE SPECIFICATIONS

Application In. (mm)
Drum
Original Diameter
1500 & 2500 Series 11.15 (283.2)
2500 (Diesel) & 3500 13.00 (330.2)
Discard Diameter
11.15" Drum 11.24 (285.5)
13.00" Drum 13.09 (332.5)
Maximum Allowable Diameter After Refinish
11.15" Drum 11.21 (284.7)
13.00" Drum 13.06 (331.7)
Width
11.15" Drum 2.75 (69.9)
13.00" Drum 2.50 (63.5) Or 3.50 (88.9)