BLUE BIRD - CONVENTIONAL - 1974 RSS 1974 BLUE BIRD CONVENTIONAL SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:DRUM 1974 BLUE BIRD CONVENTIONAL SUSPENSION:MULTIPLE AXLE 1974 BLUE BIRD CONVENTIONAL SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS 1974 BLUE BIRD CONVENTIONAL STEERING:LINKAGES