2026 Grand Design Momentum G-Class TT 31G
- Year 2026
- Make Grand Design
- Model Momentum G-Class TT
2026 Grand Design Momentum G-Class TT 31G
2026 Grand Design Momentum G-Class TT 31G
The all new Momentum G-Class is lighter without sacrificing any comfort or spaciousness — thanks to our tall ceilings and slide outs. With all of the quality, innovation, and functionality that our family of Momentum owners love, it's everything you need and nothing you don’t.
Features may include:
- Thermal Roof Design (R-40)*
- Full Laminated Walls (R-7)*
- Triple Insulated Main Floor (R-40)*
- Triple Insulated Garage Floor (R-40)*
- Vented Attic
Dimensions
Overall Height
12' 4" | (w/opt. AC): 12' 4"
Overall Length
35' 11"
Overall Width
8' 5" | (w/ slide out): 11' 4"
Interior Height
7' 7"
Dimensions
Standard Bed: 60 X 80 Queen Bed | Shower: 27 X 36
Garage Length
13'
Awning Size
18'
Weights
Hitch Weight Capacity
1,600 lbs.
Unloaded Weight
8,975 lbs.
GVWR
13,000 lbs.
Capacities
Fresh Water Capacity
90 gal.
Gray Water Capacity
37 gal.
Black Water Capacity
76 gal.
LP Tank Capacity
40 gal
Sleeping Capacity
6
Fuel Capacity
30 lbs
Water Heater
Tankless
Refrigerator
8 cu. ft.
Features
Features
Propane Tanks: 2 | Construction Type: Aluminum Cage | Slide Room R-Value: R-7 | Garage R-Value: R-30 | Slides: 2 | Awnings: 1
R-Value, Floor
R-40
R-Value, Wall
R-7
R-Value, Roof
R-40
Operational
Furnace Output
30,000 BTU
Air Conditioner Output
28,500 BTU
Chassis
Axle Count
2
Wheels & Tires
Wheels
16 in.
Tires, Rear Specification
ST235/80R16LRE