Mechanically..
ISL9 size engine, completely de emissions, @400/1200- 450/1500 hp/tq with engine retarder
The LMM is ~400/800 at tires so.. ~450/900-950 crank ish extra 3-400tq would definitely run
9/13sp Eaton double OD
air suspension F/R with full manual dump and over inflate capability on both axles
air disc(meritor pan 19, 14.8" disc brakes),
245/70/19.5" H load
9k/17k axles, (lockable diff)
26k/54k gvwr/gcvwr
34-36" top frame height, ( preferred 32" but doubt I'll have enough up travel between bottom of frame and top of axle, it be less than 3" up travel with 10 5/8" common frame size, on rough measurements and 5" axle tube)
170" WB.
100-150 gallons onboard
10 5/8" frame
Body
42" flat top style sleeper, with a proportionately widened/lengthened/raised, pickup truck style cab, keeping the truck under 84" tall preferred less than 78"
Obviously full power windows/locks/seats/mirrors
Heat/cooled seats
Heated mirrors
Keyless entry with remote start
AC/heat with cabin filters
Full HUD display, plus DIC with mechanical gauges