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Brake Drum

Standard brake drum for 3.5K – 7K trailer axles.

P/N AXLE CAPACITY BOLT PATTERN STUD SIZE DESCRIPTION
31-HD545 3.5K 5”-4.5” 1/2”-20 BRAKE DRUM 10”, CUPPED AND STUDDED
31-HD5475 3.5K 5”-5.0” 1/2”-20 BRAKE DRUM 10”, CUPPED AND STUDDED
31-HD550 3.5K 5”-5.0” 1/2”-20 BRAKE DRUM 10”, CUPPED AND STUDDED
31-HD655 3.5K 6”-5.5” 1/2”-20 BRAKE DRUM 12”, CUPPED AND STUDDED
31-HD1206 6K 6"-5.5” 1/2”-20 BRAKE DRUM 12”, CUPPED AND STUDDED
31-HD1208 7K 8”-6.5” 1/2”-20 BRAKE DRUM 12”, CUPPED AND STUDDED
31-HD1208-9/16 7K 8”-6.5” 9/16”-18 BRAKE DRUM 12”, CUPPED AND STUDDED
31-BD2-865-17-8 8K 8”-6.5” 5/8” NARROW BRAKE DRUM 12”, CUPPED AND STUDDED
31-BD-86580-36-30 8K 8”-6.5” 9-16" WIDE BRAKE DRUM 12 1/4”, CUPPED AND STUDDED
31-BD-86580-56-30 8K 8”-6.5” 5/8”-18 WIDE BRAKE DRUM 12 1/4”, CUPPED AND STUDDED
31-BD-86510-16-24 10K 8”-6.5” 5/8”-18 GENERAL DUTY BRAKE DRUM 12 1/4”, YELLOW ZINC, CUPPED AND STUDDED