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2024 Grand Design Momentum M-Class 381MS (Toy Hauler)

Specs & Features


ManufacturerGrand Design
Model NameMomentum M-Class
Trim Name381MS
Generic Type Toy Hauler Primary
Basic Warranty 12 Months
Structure Warranty 36 Months
Roof Warranty 12 Years
Length 45.5 ft
Width 101 in
Height 162 in
Dry Weight 15800 lbs
Payload Capacity 4200 lbs
GVWR 20000 lbs
Hitch Weight 3440 lbs
Fuel Capacity 60 gal
Holding Tanks
Number Of Fresh Water Holding Tanks1
Total Fresh Water Tank Capacity 140 gal
Number Of Gray Water Holding Tanks1
Total Gray Water Tank Capacity 52 gal
Number Of Black Water Holding Tanks1
Total Black Water Tank Capacity 104 gal
Propane Tank(s)
Number Of Propane Tanks2
Total Propane Tank Capacity 14.2 gal
Body MaterialAluminum
Sidewall ConstructionFiberglass
Business Info Toggle

2824 NW Stallings Dr.
Nacogdoches, TX 75964


Toll Free:(877) 438-0307(877) 438-0307
Local:(936) 569-2523(936) 569-2523
Fax: 1 (936) 569-2678


Mon - Fri: 8:30am - 5:30pm
Sat: 8:30am - 1:00pm

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