11. Brake drums were steel with a riveted cast iron liner.12. Major products include Stemco Motor Wheel brake drums and Stemco Rome New Steel Shoes. 13. The main gear is flexible; the front axle is steerable and has a brake drum . 14. The wheel had limited space for a brake drum . 15. Preferably, brake drums from older model American vehicles ( 1950s or older ) are used. 16. The vehicle's right rear tire and brake drum was ripped off as well, Jerry Thomas said. 17. In fact, he says ruefully, he just blew asbestos out of brake drums with his mouth. 18. A logical next product, after wheels and brake drums , was the Fifth Wheel or 5th Wheel. 19. Optional brakes that acted on the outside of the brake drums were available from aftermarket suppliers. 20. He studied all types of brake drums .