NEW 2026 Grand Design Momentum G-Class 350G

The MSRP of this unit includes the following packages/options from Grand Design:
  • 2026 Momentum Fifth Wheel Model: MT350G-2026
  • G-Class Luxury Interior Package
  • G-Class Exterior Package
  • G-Class Garage Package
  • G-Class Insulation Package
  • G-Class Under Unit LED Light Kit
  • Bedroom A/C
  • 3rd A/C Prep
  • 15 Cu. Ft. 12V Refrigerator (+ Inverter Prep, 330W Solar Panel, 50 AMP Controller, Bluetooth Module and Two (2) Dock Ports)
  • OmniConnect - Satellite, Cellular and WiFi Internet Prep
  • Upgraded H-Rated Tires w/ 17.5” Wheels (Tandem Axle)
  • SafeRide RV Roadside Assistance
  • RVIA Seal
  • CDL Fee
  • Rockford Fosgate Stage 1 Stereo - 500 Watts, Int/Ext Speakers w/ 10" Powered Sub
  • 6K Watt Generator
  • Gen III 3 Seasons Door with Sliding Windows
  • 3rd A/C
  • Momentum Garage Suite Featuring P2K Bed Lift
  • Rear Aluminum Deck System w/ Rear Power Awning
  • 2nd Awning
  • Solar + Package (One (1) Additional 330W Panel & 2000W Inverter)
  • 8K Axle w/ ABS Drum Brakes (Double Axle)
GRAND TOTAL INCLUDING FREIGHT - $136,686.00
At FOUR SEASONS RV, we believe camping is about more than just the RV — it’s about the memories you make along the way. As a family-owned dealership right here in Abilene, Kansas, we treat every customer like part of our extended camping family. Our friendly team takes the time to understand how you travel, where you go, and what will make your adventures more comfortable and fun.
Every RV on our lot is carefully inspected, fully prepped, and delivered with a complete walk-through so you can hit the road with confidence. We’re proud to be part of the local community and love seeing our customers at campgrounds across Kansas and beyond — many of whom return year after year as friends.
We offer honest pricing with no hidden fees, flexible financing options, and a service department that’s always here to help long after you drive away.
Ready to start your next adventure? Visit us at Four Seasons RV in Abilene, KS, call 785-598-2221, or browse our inventory online to find the RV that fits your family best. Let’s make your next getaway unforgettable!
Retail Price
$136,686
4SRV Price
$116,295
Savings $20,391
Stock # 102706
Year 2026
Make Grand Design
Model Momentum G-Class
Trim 350G
Condition NEW
Status AVAILABLE
BUILD SHEET - CLICK HERE

Specifications

General
Category Class Toy Hauler Fifth Wheel
Secondary Class Bunkhouse, Rear Entertainment, Toy Hauler, Two Bedroom
VIN 573FM4224TBB04483
Overall Size
Exterior Height 13' 6"
Exterior Height (w/opt. AC) 13' 6"
Exterior Length (FT/IN) 39' 9"'
Exterior Width (IN/MM) 8.42 ft. (101 in.)
Garage Length 14' 6"
Weights
UVW (lbs) 14306 LBS
Gross Weight Rating (LB/KG) 16,800 lbs. LBS
Capacity
Max Sleeping Count 7
Total Fresh Water Tank Capacity (GAL/L) 98 gal
Total Gray Water Tank Capacity (GAL/L) 52 gal.
Total Black Water Tank Capacity (GAL/L) 104 gal.
Number of LP Tanks 2
LP Tank Capacity 60
Appliances
Water Heater Tank No
Refrigerator Power Mode Electric
Number Of Stove Burners 4
Heater BTU 35,000 BTUs
Heater Type Automatic
AC BTU 30,000 BTU
Electrical Service 50 AMP
Running Gear
Number Of Axles 2
Axle Weight Rating 8K Axle
Construction
Construction Type Aluminum Cage
Floor R-Value R-40
Wall R-Value R-11
Roof R-Value R-40
Slide Room R-Value R-7
Dimensions
Number Of Bunks 1
Number Of Couches 1
Number Of Convertible Sofa Beds 1
Number Of Bathrooms 2
Shower Size Center
Exterior
Number Of Slideouts 3
Awning Length 18 ft. (216 in.)
Number Of Doors 2
TV Yes
Leveling Jack Type Auto-Leveling Jacks
Other Specifications
Wheels Composition Aluminum
Front Brake Type Not Applicable
Rear Brake Type Electric Drum
Length (FT) 39' 9"
Number Of Propane Tanks 2
Total Propane Tank Capacity (GAL/LBS) 60 lbs.
Body Material Fiberglass
Power Retractable Awning Yes
Kitchen Location Center
Living Area Location Center
Overhead Fan Yes
Layout Oven / Stove
Sofa Material Vinyl
Reclining Sofa Yes
Number Of Double Beds 0
Number Of Full Size Beds 0
Number Of Queen Size Beds 1
Number Of King Size Beds 1
Bunkhouse No
Bathroom Flooring Type Vinyl
Bathroom Location Center
Air Conditioning Prewiring Yes
Cable Prewiring Yes
Phone Prewiring No
Heat Prewiring Yes
Satellite Prewiring Yes
Washer/Dryer Prewiring Yes
Air Conditioning Type Automatic
Water Heater Pump Power Mode Electrical / Propane
Surround Sound Yes
Rear Video Backup Camera Yes
Solar Battery Charger Yes
Toilet Center
Air Conditioning 30,000 BTUs
Ride Digital