Disc Brake Specifications

JB5 Power Brake, Disc/Drum, 6,400 lb
JB6 Power Brakes, Disc/Drum, 7,200 lb
JB7 Power Brakes, Disc/Drum, 8,400 lb
JB8 Power Brakes, Disc/Drum, 10,000 lb
JD5 Dual Power Brakes, Disc/Drum, 6400 lb
JD6 Hydraulic Power Brakes, Disc/Drum, 7,200 lb
JD7 Hydraulic Power Brakes, Disc/Drum, 8,400 lb
JF9 Hydraulic Power Brakes, Disc/Drum, 4-Wheel Disc