Are you sure that your DCT transmission is 4 down towable. From some diagrams I have seen, it is a variation on a CVT with centrifugal clutch setup instead of a hydraulic torque converter. I think you need to check this out before making a very expensive mistake.
2013 Tiffin Phaeton 40QBH
2016 Chevrolet Equinox LTZ AWD V6