2018 Grand Design MOMENTUM 398M, Extraordinary Living. Extreme Play.
The M-class toyhauler is lighter in weight than the standard Momentum, but hardly lightweight when it comes to features. Spacious double and triple axle slide floorplans are available in lengths from 35 feet to 44 feet. Inside and out, the luxurious M class redefines the look and feel of a toyhauler. When it comes to elegant design and amenities, one word encapsulates it... “CLASS”.
And much, much more!
Engine & Drivetrain
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