A&L RV Sales
2025 Grand Design 2025 Grand Design Momentum M-Class - image 1
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Complete Specifications

Complete Fifth Wheel Specifications

2025 Grand Design Momentum M-Class Overview

Introducing the 2025 Grand Design Momentum M-Class 344M, a new fifth-wheel that perfectly blends luxury with adventure. With a spacious layout designed to sleep 5, this RV features a length of 39.9 ft and a dry weight of 15,910 lbs, making it ideal for families or groups seeking the freedom of the open road. Enjoy the comfort of a 30,000 BTU air conditioning system and a tankless water heater for endless hot showers. Plus, the three slide-outs create an expansive living area for relaxation. This exceptional toy-hauler is not just a vehicle; it's your gateway to unforgettable experiences. Schedule your tour today!

Premium Features & Highlights

Spacious Interior Layout
30,000 BTU Air Conditioning for Year-Round Comfort
Tankless Water Heater for Unlimited Hot Water
Three Slide-Outs for Extra Living Space
140-Gallon Fresh Water Capacity for Extended Trips

Overview

Vehicle Identification & Details

9 specifications available

Category
Fifth Wheel
Condition
new
Floorplan
344M
Make
Grand Design
Model
Momentum M-Class
Stock Number
MT3619
Subcategory
toy-hauler
VIN
573FM4220SBB03619
Year
2025

Size & Weight

Dimensions, Weight, Construction & Exterior

15 specifications available

Cargo Area Length Ft
11
Dry Weight
15,910 lbs
GVWR
19,000 lbs
Length
39.9 ft
Interior Height
8.4 ft
Width
8.4 ft
Awnings Count
2
Baggage Door
Slam-Latch Baggage Doors
Construction Type
Aluminum Cage
Entry Steps
MORryde Strut Assist Entry Step
Has Auto Leveling
Yes
Leveling Jack Type
6-Point Hydraulic Leveling System

Sleeping & Layout

Beds, Layout, Living & Comfort

15 specifications available

Bedroom Count
1
Bunk Beds Count
0
Double Beds Count
0
Full Beds Count
0
King Beds Count
0
Loft Beds Count
0
Primary Bedroom Location
Front
Murphy Beds Count
0
Private Bedroom
Yes
Queen Beds Count
1
Sleeps
5
Accent Lighting
Exterior Color Changing LED Accent Lighting

Kitchen & Dining

Cooking, Dining & Appliances

2 specifications available

Refrigerator Size
20 cu. ft.
Refrigerator Type
20 cu. ft.

Bathroom & Facilities

Comfort & Privacy

2 specifications available

Bathrooms Count
1
Shower Type
Standard

Water Systems

Tanks & Plumbing

5 specifications available

Black Water Capacity
52 gal
Fresh Water Capacity
140 gal
Gray Water Capacity
104
Has Tankless Water Heater
Yes
Water Heater Type
Tankless

Power & Electrical

Electrical, Entertainment & Safety

0 specifications available

No specifications available for this category

Climate Control

Heating & Cooling

3 specifications available

Ac Btu
30,000 BTU
Air Conditioning
Ducted Roof A/C
Heater Btu
35,000 BTU

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

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Built to Last

Superior construction for years of adventures
HVAC

30,000 BTU Air Conditioning

Stay cool in any climate with powerful cooling capacity.

Plumbing

Tankless Water Heater

Enjoy endless hot water on your adventures.

Ready for Your Next Adventure?

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

Payment Calculator

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from $711/mo
Estimated • 20% down

Schedule Tour

See this RV in person at our showroom

Showroom Hours
Mon-Fri: 9AM-6PM
4305 Hwy 45N Jackson, TN 38305

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.
$100,437
est $662/mo