After spending an afternoon in the Caffee's truck I fell in love with the Bentz sleeper. Also, my first choice of engines would be a DD13. Not being a freightliner fan,I spoke to Jeff Jones,and FYDA and decided to take another route. A Volvo dlr in Ohio has about a dozen Volvo daycabs that were ordered to be high end motorhomes. Renegade bought 5 last week. They are 40' long,fully double framed. They have 20,000 lb frt axles, 18,000+ steer tires with 16,000lb springs. (This is my only concern)Will it ride OK ? D13 @500 hp, I-Shift. As luxurious as you can do a Volvo:heated windshield, massaging seats,etc. Full screw and you can lock 3 wheels at once.With a highly spec'd Kidron box,a Top mount 950 set up for TVal,An ARI 72" slpr,On-spots, and liftgate we are afew thousand under Jones. Hope it works.....