I have a quick question about 14 bolt brakes. How do you tell what kind of brakes you have. I have a 14 bolt axle I thought was newer becuase it has the cast in ribs in the case along with the houseing being about twice as thick. The brake drums had the studs pressed in so that means it does not have slide off drums right? Allowing me to use the regular much cheaper disk brake brackets? Also does anyone know if the gears will work in any of the years?