1986 sundancer 270

Does anyone have measurements of a hull to setup bunks on a trailer for a 1986 Sundancer 270? I just bought a Towmaster tri-axle trailer (31 foot model).:huh:

Hello Just acquired a 1986 270 Sundancer. It has an odd toilet appearing to be a porta pottie that also allows overboard discharge via macerator but no holding tank. Anyone have experience converting to a holding tank system? Also, under the aft berth on starboard side is an area enclosed...