The Grand Design Momentum 399TH is a luxurious toy hauler. The spacious interior allows for plenty of room to store all your gear, from motorcycles to ATVs. The Momentum 399TH also comes equipped with all the amenities you need for a comfortable stay, including a full kitchen, bathrooms, and sleeping quarters.
In addition to its practical features, the Momentum 399TH also offers plenty of entertainment options. With a built-in entertainment system and plenty of space for lounging, you'll never be bored while on the road.
The Grand Design Momentum 399TH includes the following: side patio w/TV, rear ramp/patio w/railing/gate/stairs/awning/light, auto level w/6jacks, front and side storage, 2 large awnings, plenty of outside/front/underside lighting, 2nd entrance door into rear garage/bedroom, control cabinet w/color coded valve handles. Interior: king bed w/under storage, TV in bdrm, full bath w/2 doors, 2 massage/heated recliners for TV viewing, dinette w/2 chairs/storage bench, bar stools, large swivel TV, upper bunk area w/ladder, curtains, sliding glass door to side patio, glass door to garage/bdrm w/curtain, upper and lower cabinets, storage bins added. Garage: 1/2 bath, 2 electric drop down queen beds w/ladder, 2 motorcycle mounts w/removable wheel chocks, added ladder storage, TV, sliding deck door w/removable clear panels, storage, lower queen bed converts to bench seating w/ table. And MUCH more.