For a short queen mattress with a little more comfort than the # DE36ZR I recommend the Supreme mattress, which is the following part number:
- Denver Mattress Supreme Euro Top RV Memory Foam Mattress - 75" x 60" - Short Queen # DE52YR
The # DE52YR gives you 11 inches of mattress, with 7 of those inches being the foam core, 2 inches being the euro top (a more plushy layer), and another 2 inches being memory foam. It also has a cooling stretch knit cover which is especially useful in trailers... view full answer...
For your 2023 Thor Magnitude built on a Ford F-600 chassis the correct SumoSprings kit you'd want is the part # SS54VR for the rear and part # SSF-111-54 for the front. view full answer...