️ 2023 Grand Design Momentum 397THS Luxury Toy Hauler Built for Boondocking.

Has never had any toys loaded in it.

Why compromise when you can have both luxury living and true off-grid freedom?

This 2023 Grand Design Momentum 397THS was ordered with nearly every factory option and then upgraded even further with premium solar, lithium power, and residential conveniences. Whether you want to stay at a high-end resort or camp completely off-grid for weeks at a time, this coach is designed to deliver.

Luxury Features

Full Body Paint head-turning, automotive-style finish

2 Full Bathrooms rare and perfect for families or guests

Dishwasher + Ventless Washer/Dryer Combo residential convenience anywhere

Garage Setup 3 twin beds plus a built-in desk/workstation. On Happi-Jack system so they raise for toy loading.

Dual Pane Windows better insulation and a quieter interior

Spacious Holding Tanks fresh: 155 gal | grey: 104 gal | black: 104 gal

Off-Grid Powerhouse

Victron 3000W Inverter with GX50 Touchscreen Monitor full system control and smart power management

2,400W Solar Array harvest massive energy directly from the sun

900AH Lithium Battery Bank run residential appliances with ease

Onan 5500W Generator just 250 hours, ready when you need backup

Water & Filtration Upgrades

Clearsource 3-Stage Water Filtration System premium water quality anywhere

Onboard Water Softener protects plumbing, fixtures, and appliances

Towing & Build Quality

8,000 lb Axles with Disc Brakes superior safety and stopping power

45' 6" long.

Tires in excellent condition

Meticulously maintained and road-ready

This Momentum isnt just another fifth wheel its a luxury home on wheels that also has the power, water, and independence to take you far off the beaten path. Perfect for full-timers, adventure seekers, or anyone who wants the ultimate combination of comfort and capability.


Located in Corvallis, Montana

Serious inquiries only, please. Come take a look and make us an offer!