T16 was only 405 and they are defo 306 seats, s16 ones at that 
Swap the beam, brakes and any other shiney bits off the xrdt then put all the stuff from the new DT back on then sell it, saves breaking and you get to keep your shiney/dirty good bits

Swap the beam, brakes and any other shiney bits off the xrdt then put all the stuff from the new DT back on then sell it, saves breaking and you get to keep your shiney/dirty good bits