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Southland RV

2026 Grand Design Momentum M-Class 344M

2026 Grand Design 2026 Grand Design Momentum M-Class - image 1
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Floorplan Layout

Detailed floor plan showing the complete layout and dimensions
2026 Grand Design Momentum M-Class 344M floorplan
Floorplan

Complete Fifth Wheel Specifications

2026 Grand Design Momentum M-Class Overview

Experience adventure like never before with the 2026 Grand Design Momentum M-Class 344M. This new fifth-wheel is designed to accommodate up to 7 guests, making it perfect for family getaways or trips with friends. With a spacious layout and a dry weight of 15,138 lbs, it offers excellent towing capacity without sacrificing comfort. Enjoy ample storage and a generous 140-gallon fresh water capacity for extended trips. The Momentum M-Class is built for those who love the great outdoors while still enjoying the comforts of home. Don't miss out on this exceptional fifth wheel. Schedule your tour today!

Premium Features & Highlights

Spacious Interior Layout
140-Gallon Fresh Water Tank for Extended Adventures
52-Gallon Black Water Capacity
Sleeps 7 for Family Comfort
Easy Towing with a 15,138 lbs Dry Weight
Select a category to view specs

Overview

Vehicle Identification & Details

9 specifications available

Category
Fifth Wheel
Condition
new
Floorplan
344M
Make
Grand Design
Model
Momentum M-Class
Stock Number
SAV7626
Subcategory
toy-hauler
VIN
573FM422XTBB04732
Year
2026

Size & Weight

Dimensions, Weight, Construction & Exterior

10 specifications available

Dry Weight
15,138 lbs
GVWR
18,000 lbs
Length
39.92 ft
Exterior Height
13.5 ft
Interior Height
8.42 ft
Width
8.42 ft
Awning Length Ft
28 ft
Awnings Count
2
Slides
3
Two Entry
Yes

Sleeping & Layout

Beds, Layout, Living & Comfort

6 specifications available

Bunk Beds Count
0
King Beds Count
0
Primary Bedroom Location
Front
Murphy Beds Count
0
Sleeps
7
Fireplace
true

Kitchen & Dining

Cooking, Dining & Appliances

3 specifications available

Microwave
Yes
Refrigerator Size
20
Washer Dryer Prep
Yes

Bathroom & Facilities

Comfort & Privacy

2 specifications available

Bathrooms Count
1
Shower Type
Standard

Water Systems

Tanks & Plumbing

3 specifications available

Black Water Capacity
52 gal
Fresh Water Capacity
140 gal
Gray Water Capacity
104

Power & Electrical

Electrical, Entertainment & Safety

1 specifications available

Washer Dryer Prewiring
Yes

Climate Control

Heating & Cooling

2 specifications available

Ac Btu
30,000 BTU
Air Conditioners Count
1

Standard Features & Equipment

EXTERIOR
Keyed Alike™ Ramp Door Latches

* Vehicle specifications listed to the best of our knowledge. All specifications, features, and information are provided by the manufacturer. Southland RV is not responsible for manufacturer defects, specification changes, or recalls. Buyers should verify all information directly with Southland RV.

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Built to Last

Superior construction for years of adventures
Plumbing

140-Gallon Fresh Water Tank

Extended off-grid capability for longer trips.

Plumbing

52-Gallon Black Water Tank

Convenient waste management for multi-day outings.

Ready for Your Next Adventure?

Experience the freedom of the open road with your next RV adventure

Payment Calculator

Estimate your monthly payments

from $832/mo
Estimated • 20% down

Schedule Tour

See this RV in person at our showroom

Showroom Hours
Mon: Closed, Tue-Sat: 9 AM - 5 PM, Sun: Closed
211 Thunderbird Drive Richmond Hill, GA 31324

Trade-In Value

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Trade Evaluation

Dealer assessment

Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. We are not responsible for any misprints, typos, or errors found in our website pages. Any price listed excludes sales tax, registration tags, and delivery fees. Manufacturer pictures, specifications, and features may be used in place of actual units on our lot. Please contact us for availability as our inventory changes rapidly. All calculated payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available.
$116,995
est $774/mo