The mach drums were no different from any of Ludwigs other drums of the time they just had the one piece high tension style lugs installed in place of the normal pair of lugs for each tension point. Same shells and finishes. You could put together any sort of set you wanted with those lugs as a special order.
This is true except for one thing – in my kit at least, there is only one hole drilled into the shell per lug-side, whereas normal classic lugs have two holes per side. Not much difference of course, but still.