I searched KeystonRV.com web site and couldn't find anything that met your criteria (Montana, Lerado, Alpine, etc) in a 5er. However, I did find this one that meets your criteria in a TT model (actually the only one under the Keystone brand I could find.
2 opposing sides in the living room area with tri-fold beds on the opposite sides. Under your max length. Anyway, it's something to think about. This is "new", but maybe you might be able to find one used. At least you'd know what make and model to search for:
(Keystone) HIDEOUT 32RDDS TRAVEL TRAILER
LinkStats:
Shipping Weight = 7901
Carrying Capacity = 1869
Hitch = 970
Length = 36' 8"
Height = 11' 2"
Fresh Water = 43
Waste Water = 39
Gray Water = 39
LPG = 40
Tire-Size = ST225/75R15D
Sleeping Capacity = 6
Region = East
Bunkhouse = No
Garage = No
Garage Size = 0' 0"
Interior Kitchen = Standard Kitchen
Outdoor Kitchen = No
Front Living Area = No
RV Type = Travel Trailers
Brands = Hideout
New = No
Stock Only = No
Most Popular = No
Floor plan:
Good luck. Hope you have success.
