It has drum brakes on the rear wheels instead of the more efficient discs that are standard today on nearly every car except the cheapest bargain models.

Consider a floor Tom mounted in a standard vertical orientation: With a hardwood floor, when the player hits the drum the bottom head vibrates sympathetically.

LD wheel, wheel group, drum group, hook group, pulleys, couplings, wire rope, cable pulley, motor, brake, reducer, cable reel, overload limiter, standard parts.