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2017 Grand Design Momentum 397TH
UsedStock #26147DX
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2017 Momentum 397TH
Other floor plans with a similar body style, feature mix, and price range, prioritizing other manufacturers and brands.
The 397TH earns its reputation as one of the more luxurious toy haulers on the market. Triple axles with 17.5" H-rated tires handle the nearly 20,000 lb max weight with confidence, while 3,800+ lbs of cargo capacity means you're not leaving anything behind. Inside, the garage space transforms around a massive 5-person super sofa, and the front bedroom suite feels genuinely residential rather than like an afterthought. Grand Design included a kitchen island and residential stove, and the dual-pane windows are a real-world touch that owners specifically call out for eliminating condensation issues. Grand Design's warranty reputation is a known selling point here. Owners consistently describe claims being handled with minimal friction.
Length
43 ft 3 in
Dry weight
15,500 lbs
GVWR
20,000 lbs
Sleeps
5
Guarantee RV
Calgary, AB
Sells slower than 54% of US RV dealers
Compared with 1,117 dealers nationwide
Calgary's largest selection of pre-owned inventory.
The 2017 Grand Design Momentum 397TH is a triple-axle luxury toy hauler fifth wheel measuring 43 feet 3 inches in length. The 2017 Grand Design Momentum is a premium fifth-wheel toy hauler series celebrated for blending ultra-luxury living spaces with highly durable mobile garages. Built on a wide-body chassis with deep slide-outs and a dovetail ramp door for easy loading, these heavy-duty haulers are heavily insulated for extreme temperatures and come equipped with high-end amenities like auto-leveling systems and leather recliners with heat and massage functions.
Key Specifications & Dimensions
• Dry/Base Weight: 15,500 lbs
• Hitch Weight: 3,375 lbs
• Axles: 3 (7,000 lbs each with self-adjusting brakes)
• Slideouts: 3
• Sleeping Capacity: Up to 9 people
• Garage Length: 12' 6"
Holding Tank Capacities
• Fresh Water: 117 gal
• Gray Water: 104 gal
• Black Water: 104 gal
• Propane: 14.2 gal (60 lbs)
• Water Heater: 12 gal
HVAC & Systems
• Air Conditioning: 30,000 BTU standard
• Heater: 35,000 BTU
• Leveling: 6-point hydraulic leveling system
Options:
ONAN 5.5 KW GENERATOR
FUELDING STATION - SKIRTING
2 INSIDE TV'S
RADIO
CD
DVD
MP3 W/ CABLE PREP
3 SLIDES
3 AWNINGS
1 SKYLITE
2 FANS
3 AC
LP & ELECT H20 HTR
Other listings for this floor plan, ranked by condition, model year, distance, price, and listing quality.
LP FURNACE
HEATED ENCL. TANKS
DUAL PANED WINDOWS
RANGE
OVEN
MICRO
CONV
VACUUM
LP & ELECT 4-DOOR 18 cf FRIDGE
FIREPLACE
2 BATH & 2 SHOWER
F/S TABLE
KING BED W/ BUNKS
3 COUCH
THEATRE SEATS
TOY HAULER
GUARANTEE RV - READY - TO - CAMP PACKAGE
PROPANE TANK INCLUDED / FILLED
BATTERY INCLUDED / CHARGED
PARTS GIFT CERTIFICATE INCLUDED
COMPLIMENTARY PDI / ORIENTATION
NO FEES. YOU PAY WHAT YOU SEE PLUS GST
AMVIC LICENSED
