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Drum Brake Specifications

DRUM BRAKE SPECIFICATIONS

Application In. (mm)
C10 & G10 to 4900 GVW
Drum Diameter 11.00 (279.4)
Drum Width 2.00 (50.8)
Max. Drum Refinish Diam. 11.06 (280.9)
Brake Cyl. Diameter 1.00 (25.4)
Master Cyl. Diameter 1.00 (25.4)
C10 & G10 to 5600 GVW
Drum Diameter 11.00 (279.4)
Drum Width 2.00 (50.8)
Max. Drum Refinish Diam. 11.06 (280.9)
Brake Cyl. Diameter 1.00 (25.4)
Master Cyl. Diameter 1.12 (28.4)
C10 5200-6100 GVW
Drum Diameter 11.15 (283.2)
Drum Width 2.75 (69.9)
Max. Drum Refinish Diam. 11.21 (284.7)
Brake Cyl. Diameter 1.00 (25.4)
Master Cyl. Diameter 1.12 (28.5)
C, G & K10; C,G,K, & P20 to 6800 GVW
Drum Diameter 11.15 (283.2)
Drum Width 2.75 (69.9)
Max. Drum Refinish Diam. 11.21 (284.7)
Brake Cyl. Diameter (1) 0.94 (23.8)
Master Cyl. Diameter 1.12 (28.5)
C, K, & P20; G & P30 6800-8600 GVW
Drum Diameter 13.00 (330.2)
Drum Width 2.50 (63.5)
Max. Drum Refinish Diam. 13.06 (331.7)
Brake Cyl. Diameter 1.06 (26.9)
Master Cyl. Diameter 1.25 (31.8)
C, G, K, & P30
Drum Diameter 13.00 (330.2)
Drum Width 3.50 (88.9)
Max. Drum Refinish Diam. 13.06 (331.7)
Brake Cyl. Diameter 1.19 (30.2)
Master Cyl. Diameter 1.34 (34.0)
S10, S15
Drum Diameter 9.45 (249.0)
Drum Width
Max. Drum Refinish Diam. 9.56 (242.8)
Brake Cyl. Diameter 0.87 (22.1)
Master Cyl. Diameter 0.95 (24.1)
(1) 1" (25.4 mm) on some 20 series over 6400 GVW.