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2026 Grand Design Momentum M-Class 399M

Base MSRPTBA
Options Added$0
TotalTBA

 IDENTIFICATION
Suggested List TBA
Type Toy Hauler
Basic Warranty (Months) 12
Revision Status New
 SPECIFICATIONS
Maximum Sleeping Capacity 4
Number Of Slideouts 3
Length (ft-in / m) 44' 10.0' / 13.7
Interior Height (in / mm) 101.0 / 2565.4
Base Weight (lbs / kg) 18000.0 / 8164.8
Carrying Capacity (lbs / kg) 4500.0 / 2041.2
Hitch Weight (lbs / kg) 3464.0 / 1571.3
Number Of Axles 3
Air Conditioning (BTUs) 30000.0
Heater (BTUs) 35000.0
 HOLDING TANKS
Fresh Water Capacity (gal / L) 140.0 / 530.0
Gray Water Capacity (gal / L) 104.0 / 393.7
Black Water Capacity (gal / L) 52.0 / 196.8
Propane Capacity (gal / lbs) 14.2 / 60.0
Water Heater Tank (gal / L) 0.0 / 0.0
 INTERIOR FEATURES
Air Conditioning Standard
Kitchen Dinette Chairs
Interior Flooring Type Vinyl
Master Bedroom Standard
Number Of Bathrooms 1
Shower Standard
Television Standard
DVD Player Not Available
 EXTERIOR FEATURES
Patio Awning Standard
Leveling Jack Type Front Power / Rear Power
Power Retractable Entry Steps Not Available

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