New 2026 Grand Design Momentum M-Class 399M

Standard Features 

Exterior

• Keyed Alike™ Ramp Door Latches
• 2nd Patio Awning w/ LED Lights
• 3rd Awning w/LED Lights (Main Slide-395MS)
• Exterior Color Changing LED Accent Lighting
• High-Gloss Gel Coat Exterior Sidewalls
• Door Side Exterior Spray Port
• Frameless Tinted Windows
• Walk-On Roof
• 17.5" Spare Tire (Undermount)
• MORryde Strut Assist Entry Step
• Slam-Latch Baggage Doors
• Mo Secure

Construction

• 101" Wide-Body Construction
• 5-Side Aluminum Cage Construction
• Fully Enclosed Underbelly w/Heated Tanks and Storage

Running Gear

• Upgraded Axle Hangers
• Heavy Duty H-Rated Tires
• Heavy Duty 7,000lb. Axles with ABS Drum Brakes (381MS, 395MS)
• Heavy Duty 8,000lbs. Axles with ABS Drum Brakes (351MS)
• 17.5" H-Rated Aluminum Wheels
• MORryde® CRE3000 Suspension System
• Tow Assist ABS & Sway Mitigation System

Frame & Chassis

• 6-Point Hydraulic Leveling System
• 101" Wide Body Super Chassis

Interior

• Interior Color Changing LED Accent Lighting
• Hardwood Cabinet Doors w/Hidden Hinges
• Recliner Sofa w/Adjustable Headrest or Flip Down Cupholders
• Central Vacuum System w/ Tools and Dust Pan
• Plywood Drawer Bottoms

Kitchen

• Microwave
• Residential Kitchen Faucet
• Professional Grade Stainless Steel Cooktop
• 12v High Power MaxxAir Fan with Rain Sensor
• Window Behind Range (N/A 395MS)
• Kitchen Barstools w/Extended Countertops  (351MS, 381MS)
• Smart Sink w/removable cutting board, produce strainer and glass rinser

Electrical

• Solar Prep (10 gauge wiring with universal MC4 connectors)
• 75 Amp Converter
• 12V Battery Disconnect

HVAC

• 12v High Power Fan (Kitchen)
• 35K BTU High Capacity Furnace
• Stealth AC System w/ Insulated A/C Ducts
• Attic Vent
• High Capacity Heat Ducts

Plumbing

• Exterior Spray Port (Door Side)
• 12V Tank Heaters
• Sewer House Storage Area
• Whole House Water Filtration System
• All-In-One Enclosed Utility Center

Bedroom

• Under Bed Storage Area 
• Individually Switched Reading Lights Over Bed
• Bedside 110-Volt & USB Outlets
• Window Above Master Bed Headboard
• 60" x 80" Queen Pillow Top Bed Mattress

Bathroom

• Porcelain Toilet
• Medicine Cabinet w/Mirrored Door
• Undermount Lav Sink
• One-Piece Fiberglass Shower w/Glass Door & Teak Bench Seat

Appliance

• Fireplace with Electric Heater
• Stainless Steel 20 cu. ft. Refrigerator
• 30" Over-The-Range Microwave

Electronics

• Exterior Cable/SAT Plug-In
• LED Smart TV in Living Area
• Rockford Fosgate Stereo Ent. System w/HDMI and App Controls
• Exterior Speakers
• No-Crank Digital TV Antenna w/Booster
• LED TV in Garage (NA 336M)
• TravLFi On-Board WiFi Ready

Packages

Exterior Package

• Satellite TV Prep
• MORryde Strut Assist Entry Step
• Aluminum Quad Entry Steps - Garage Entry 
• 7,000 lb. Axles w/Self Adjusting Brakes, Wet Bolts and Bronze Bushings
• 17” Aluminum Wheels (120PSI Rated)
• Cooper Tires® 17.5" All-Steel H-Rated Tires
• Slam-Latch Baggage Doors
• Frameless Tinted Windows
• Exterior Security Lights
• Power Patio Awning w/LED Lighting
• Folding Roof Ladder
• White Gel Coat Fiberglass Front Cap
• 12V Battery Disconnect
• All-In-One Exterior Utility Center
• 50 Amp Service
• Converter
• Enclosed Fuel Station w/ Dual Fuel Tank (Single Tank 336M)
• Partial Paint Gel Coat Fiberglass Front Cap

Interior Package

• 49" Class LED TV in Living Area
• Stereo Entertainment System w/Bluetooth and App Based Controls in Living Area
• Washer/Dryer Prep
• On Demand Water Heater
• Roller Shade Window Coverings (Main Living Area and Bedroom)
• Recessed LED Puck Lighting
• Solid Surface Countertops w/ Sink Covers
• Stainless Steel Undermount Kitchen Sink
• Chef Inspired Range & Oven w/ Cover
• Kitchen Pantry w/ LED Light Strip
• Garage Control Panel 

Garage Package

• 32" Class LED TV in Garage 
• Protective Diamond Plate on Garage Sidewalls
• 2,500 lb. Rated Flush-Mount Tie-Downs
• Ram-Air Garage Vents Both Sides
• Tuff-Ply Gas and Oil Resistant Garage Flooring
• FastRamp Rear Ramp Door
• Triple Insulated Garage Floor 

Weather-Tek Package

• R-Value Equivalent (R-40 Roof / R-45 Floor / R-11 Sidewalls / R-40 Garage Floor / R-24 Slideroom Floor)
• Fully Enclosed and Heated, Underbelly and Storage Area
• Enclosed and Heated Low Point Drains
• Engineered Underbelly Airflow Heat Paths
• Stealth AC System w/ Insulated A/C Ducts
• Attic Vent
• Plumbing Line Insulation Barrier

See us for a complete list of features and available options!

All standard features and specifications are subject to change.

All warranty info is typically reserved for new units and is subject to specific terms and conditions. See us for more details.

Due to the current environment, our features and options are subject to change due to material availability.