2025 Grand Design Momentum G Class TT 21G
- Year 2025
- Make Grand Design
- Model Momentum G Class TT
2025 Grand Design Momentum G Class TT 21G
Go big, conveniently.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:
Exterior- Main A/C with Race Track Ducting
- Backup Camera Prep
- Black Tank Flush
- Full Sized Spare Tire & Carrier
- 80% Tint Radius Safety Glass Windows
- 20# LP Bottles (2) w/Cover
- Radius Entry Door
- High-Capacity Water Pump
- Extra Large 1 1/2” Fresh Water Drain Valve
- Battery Disconnect Switch
- Folding Roof Ladder
- Gel Coated Fiberglass Exterior
- Easy Access Low Point Drain Valves
- Insulated Storage Doors
- Magnetic Storage and Entry Door Latches
- 18’-19’ Awning w/LED Accent Lighting
- Under Unit Accent Lighting
- Rockford Fosgate Speaker Package with Powered Sub
- Solar Prep (10 gauge wiring with universal MC4 connectors)
- Motion Sensor Exterior Storage Lighting
- Motion Sensor Entry Lighting
- Fiberglass Front Cap w/Paint
- 48” LED Front Cap Lighting
- Diamond Plate Front Rock Guard
- Triple Aluminum Tread Entry Steps
- 30 Gallon Fuel Station w/Interior and Exterior Gauge
- Under Counter Accent Lighting
- Above Cabinet Accent Lighting
- Solid Hardwood Drawer Fronts
- Solid Core Cabinet Stiles
- Pre-Drilled and Screwed Cabinetry
- Ball Bearing Full Extension Drawer Glides
- Large Panoramic Windows
- Night Shades (All Windows)
- Upgraded Residential Furniture
- Residential Countertops
- Stainless Steel Accented Microwave
- Stainless Steel Accented 3-Burner Range with Oven
- Glass Range Cover (Flush w/Counter Top)
- Stainless Steel Accented Double Door Refrigerator
- Sink Cover
- Bottle Opener
- Residential Cabinetry
Dimensions
Overall Height
12' 2"
Overall Length
26' 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
14
Awning Size
19
Weights
Hitch Weight Capacity
920 lbs.
Unloaded Weight
6,400 lbs.
GVWR
11,000 lbs.
Capacities
Fresh Water Capacity
90 gal.
Gray Water Capacity
74 gal.
Black Water Capacity
39 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: Laminated | Slide Room R-Value: R-7 | Garage R-Value: R-30 | Slides: 1 | 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
15,000 BTU
Chassis
Axle Count
2
Wheels & Tires
Wheels
16 in.
Tires, Rear Specification
ST235/80R16LRE