2026 GRAND DESIGN MOMENTUM M-CLASS 399M
46
Rv TypeToy Hauler
Length44 ft
Fuel TypeNONE
Mileage-
Description
2026 Grand Design Momentum M-Class 399M,
This RV is available for sale at our GALWAY TWP location: 920 West White Horse Pike, Egg Harbor City, NJ.
2026 Grand Design Momentum 399M Fully Equipped, Luxury Toy Hauler
12' 6" garage with P2K power bed lift, tie-down system, dual-entry ramp patio, and rear aluminum deck system w/ rear power awning
Triple-AC comfort including 3rd A/C and main A/C with heat pump for extended-season camping
Onboard 6kW generator for true off-grid capability
MorRyde 7K Independent Suspension 2.0 w/ DISC brakes superior handling, towing, and stopping power
Solar ½ Package for better battery support while boondocking
GEN III 3-season glass sliding door keeps the garage comfortable in all weather
Exterior patio package with side patio, Momentum patio chairs, 65" TV, griddle, and oversized awnings
Rockford Fosgate Stage 1 stereo for premium sound inside and out
Luxury living area featuring full recline seating, 50" TV, smart storage entertainment wall, hybrid dinette workstation & large windows
Chef-ready kitchen with 20 cu. ft. refrigerator, pull-out countertop extension, microwave, oven, and deep pantry
Spacious bath with walk-in shower, linen cabinet & premium fixtures
Upgraded KING bed suite with washer/dryer prep, dresser storage & TV prep
Pass-thru storage, universal docking station & triple aluminum Solid Step entries
Slide-out toppers installed for added protection and reduced maintenance
Why This RV Will Work for You: Ideal for toy hauler buyers needing a true multi-zone coach garage for toys or second bedroom, side patio for entertaining, and luxury residential comfort for long-term travel.
Choosing White Horse RV Center in NJ means more than just buying an RV; it s about investing in a seamless, enjoyable experience filled with benefits. With over 50 years of expertise, we ensure your RV journey is fun and hassle-free. Our RV essentials package and transparent pricing guarantee no surprises. Plus, enjoy a complimentary membership in the RT66 Customer Care Promises, providing peace of mind on the road. Experience the diff
This RV is available for sale at our GALWAY TWP location: 920 West White Horse Pike, Egg Harbor City, NJ.
2026 Grand Design Momentum 399M Fully Equipped, Luxury Toy Hauler
12' 6" garage with P2K power bed lift, tie-down system, dual-entry ramp patio, and rear aluminum deck system w/ rear power awning
Triple-AC comfort including 3rd A/C and main A/C with heat pump for extended-season camping
Onboard 6kW generator for true off-grid capability
MorRyde 7K Independent Suspension 2.0 w/ DISC brakes superior handling, towing, and stopping power
Solar ½ Package for better battery support while boondocking
GEN III 3-season glass sliding door keeps the garage comfortable in all weather
Exterior patio package with side patio, Momentum patio chairs, 65" TV, griddle, and oversized awnings
Rockford Fosgate Stage 1 stereo for premium sound inside and out
Luxury living area featuring full recline seating, 50" TV, smart storage entertainment wall, hybrid dinette workstation & large windows
Chef-ready kitchen with 20 cu. ft. refrigerator, pull-out countertop extension, microwave, oven, and deep pantry
Spacious bath with walk-in shower, linen cabinet & premium fixtures
Upgraded KING bed suite with washer/dryer prep, dresser storage & TV prep
Pass-thru storage, universal docking station & triple aluminum Solid Step entries
Slide-out toppers installed for added protection and reduced maintenance
Why This RV Will Work for You: Ideal for toy hauler buyers needing a true multi-zone coach garage for toys or second bedroom, side patio for entertaining, and luxury residential comfort for long-term travel.
Choosing White Horse RV Center in NJ means more than just buying an RV; it s about investing in a seamless, enjoyable experience filled with benefits. With over 50 years of expertise, we ensure your RV journey is fun and hassle-free. Our RV essentials package and transparent pricing guarantee no surprises. Plus, enjoy a complimentary membership in the RT66 Customer Care Promises, providing peace of mind on the road. Experience the diff
RV details
Type
Toy Hauler
Condition
New
Length
44 ft
GVWR
22,500 lbs
Odometer
0 mi
Slide-outs
3
Sleeping capacity
6
Air conditioners
3
Water capacity
140 gal
Exterior color
WHITE
Interior color
ARTISAN
Floor plan
MOMENTUM M-CLASS
Fuel type
NONE
Dealer stock ID
MM5074
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Dealer information
White Horse RV Center- Galloway
Visit our Galloway store, located on Route 30 just outside of Atlantic City, with easy access to the Garden State Parkway and Atlantic City Expressway. We offer over 130 RVs, an award-winning service department, and a friendly parts center. Enjoy hassle-free, dynamic pricing and a relaxed, no-pressure sales approach. RV shopping should be fun—and at White Horse RV Center, we’re proud to serve customers from all across New Jersey!
$164,995
Contact the seller
Call the dealer
(609) 608-9146
RV code: 2206