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New 2025 Grand Design Momentum G-Class 31G

Toy Hauler Travel Trailer

Stock #80531

Madison, OH

1 of 46

+46

MSRP: $86,119

Payments From: $697 /mo.

Sleeps 4
2 Slides
Bath and a Half

Two Entry/Exit Doors

36ft Long
8,975 lbs
MAGNOLIA

See All Specs

Specifications

Sleeps	4	Slides	2
Length	35 ft 11 in	Ext Width	8 ft 5 in
Ext Height	12 ft 4 in	Int Height	7 ft 7 in
Interior Color	MAGNOLIA	Hitch Weight	1600 lbs
GVWR	13000 lbs	Dry Weight	8975 lbs
Fresh Water Capacity	90 gals	Grey Water Capacity	37 gals
Black Water Capacity	76 gals	Tire Size	ST235/80R16 LRE
Furnace BTU	30000 btu	Fuel Capacity	30 gals
Available Beds	Queen	Refrigerator Type	Stainless Steel
Refrigerator Size	8 cu ft	Cooktop Burners	3
Shower Size	27" x 36"	Number of Awnings	1
Garage Size	13 ft	LP Tank Capacity	20 lbs
Water Heater Type	Tankless	AC BTU	28500 btu
Awning Info	18' Power with LED Lights	Axle Count	2
Number of LP Tanks	2	Shower Type	Walk-In Shower
Electrical Service	30 amp	VIN	573TM3627S1221516

Description

Grand Design Momentum G-Class toy hauler 31G highlights:

Bath and a Half
Dual Entry
Theater Seating
18' Power Awning with LED Lights
13' Separate Garage
Universal Docking Station

Head out to find new trails in this Momentum G-Class toy hauler travel trailer! Once you remove your dirt bikes from the 13' separate garage, fill them up using the 30-gallon fuel station and start having fun right away! The table with Happi-Jac sofas will allow those who stayed back a place to play cards, or they can head to the main living area to relax on the slide out theater seating. There is also an optional top bed above the sofa if you need additional sleeping space. The front corner master suite includes a private entrance into the dual-entry full bath, and your guests will appreciate the half bath in the garage!

Are you looking for adventure and fun? The Momentum G-Class toy hauler by Grand Design will help you find it! You can explore during any season you choose with the Insulation Package that includes a heated and enclosed underbelly with suspended tanks, a high-capacity furnace, a moisture barrier floor enclosure, and cabinet-mounted heat ducts. Each model includes a 30-gallon fuel station with an interior and exterior gauge, a dovetail rear rend, and 2,500-LB tie-downs anchored into the chassis. Throughout the Momentum G-Class interior, you'll enjoy many comfortable features like large panoramic windows, a shower skylight, USB chargers in the bedroom, and residential cabinetry.

Options:

15K A/C W/RACE TRACK DUCTING
2ND A/C 15K BTU
5.5K WATT GENERATOR
8 CU.FT 12V REFER
DEALER PICK UP STORAGE FEE
DISCOUNT
G-CLASS EXTERIOR PKG
G-CLASS GARAGE PKG
G-CLASS INSULATION PKG
G-CLASS LUXURY INTERIOR PKG
G-CLASS UNDER UNIT LED LIGHT KIT
GEN II 3 SEASON DOOR W/ SLIDING WINDOWS
GOODYEAR TIRES
HAPPI-JAC ELECTRIC BUNK SYSTEM W/FOLDING SOFAS
REAR ALUMINUM DECK SYSTEM W/REAR POWER AWNING
RVIA SEAL
SAFERIDE TV ROADSIDE ASSISTANCE
SOLAR+ PACKAGE

Features

Standard Features (2025)

PLEASE NOTE: Features and Options separated by type below:

-----------------------------------------------------------------

TRAVEL TRAILERS

Exterior

Main A/C with Race Track Ducting
Backup Camera Prep
Black Tank Flush
Full Sized Spare Tire & Carrier
80% Tint Radius Safety Glass Windows
20# LP Bottles (2) w/Cover
Radius Entry Door
High-Capacity Water Pump
Extra Large 1 1/2” Fresh Water Drain Valve
Battery Disconnect Switch
Folding Roof Ladder
Gel Coated Fiberglass Exterior
Easy Access Low Point Drain Valves
Insulated Storage Doors
Magnetic Storage and Entry Door Latches
18’-19’ Awning w/LED Accent Lighting
Under Unit Accent Lighting
Rockford Fosgate Speaker Package with Powered Sub
Solar Prep (10 gauge wiring with universal MC4 connectors)
Motion Sensor Exterior Storage Lighting
Motion Sensor Entry Lighting
Fiberglass Front Cap w/Paint
48” LED Front Cap Lighting
Diamond Plate Front Rock Guard
Triple Aluminum Tread Entry Steps
30 Gallon Fuel Station w/Interior and Exterior Gauge

Construction

Power Tongue Jack
Oversized Tank Capacities
One-Piece TPO Roof Membrane w/18-Year Warranty
Laminated Aluminum Framed Rear Ramp Door (R-12)
Laminated Aluminum Framed Side Walls (R-7)
Laminated Aluminum Framed Roof and End Walls in Slide Rooms (R-7)
1” Marine Grade OSB Floor (R-30*)
5" Radius Wood Framed Roof (R-40*)
Universal Docking Station
Walk on Roof
No Wheel Wells
Double Insulated Roof and Front Cap (R-40*)
Heated and Enclosed Dump Valves
High Density Roof Insulation w/Attic Vent
Moisture Barrier Floor Enclosure
Cabinet Mounted Heat Ducts

Running Gear

15" Aluminum Rims w/Nitrogen Filled Radial Tires
Anti-Lock Brake System

Interior

Under Counter Accent Lighting
Above Cabinet Accent Lighting
Solid Hardwood Drawer Fronts
Solid Core Cabinet Stiles
Pre-Drilled and Screwed Cabinetry
Ball Bearing Full Extension Drawer Glides
Large Panoramic Windows
Night Shades (All Windows)
Upgraded Residential Furniture
Residential Countertops
Stainless Steel Accented Microwave
Stainless Steel Accented 3-Burner Range with Oven
Glass Range Cover (Flush w/Counter Top)
Stainless Steel Accented Double Door Refrigerator
Sink Cover
Bottle Opener
Residential Cabinetry

Kitchen

Deep Seated Stainless-Steel Sink
Residential Pull-Down Sprayer Faucet

Electrical

30 Amp Service
Detachable Marine Grade Power Cord w/LED Light

HVAC

30k BTU High Capacity Furnace
Heated and Enclosed Underbelly w/Suspended Tanks

Plumbing

Quick Recovery Water Heater

Bedroom

Large Backlighted Mirror
Night Stands
Bedside Outlets
USB Chargers
Solid Bedroom Door
Residential Bedspread
TV and Cable Prep

Bathroom

Residential Walk-In Shower
Skylight Over Shower
Power Vent Fan
Medicine Cabinet with Mirror
Headboard
Double Entrance Bathroom

Appliance

Stainless Steel Accented Appliances

Electronics

Rockford Fosgate Bluetooth Stereo
High Definition LED Television

Packages

Exterior Package

Universal Docking Station
Black Tank Flush
Fiberglass Front Cap w/Paint
48” LED Front Cap Lighting
Diamond Plate Front Rock Guard
15” Aluminum Rims
Triple Aluminum Tread Entry Steps
Walk on Roof
Quick Recovery Water Heater
30 Amp Service
Detachable Marine Grade Power Cord w/LED Light

Luxury Interior Package

Deep Seated Stainless-Steel Sink
Residential Pull-Down Sprayer Faucet
Residential Cabinetry
Motion Sensor Exterior Storage Lighting (LED)
Motion Sensor Entry Lighting (LED)
Rockford Fosgate Bluetooth Stereo
High Definition LED Television
Stainless Steel Accented Appliances

Garage Package

30 Gallon Fuel Station w/Interior and Exterior Gauge
Full-Size Rear Ramp Door
Dovetail Rear End
No Wheel Wells
Rear-Ramp Loading Lights w/Back-up Light Function
2,500 lbs. Tie-downs Anchored into the Chassis

Insulation Package

30k BTU High Capacity Furnace
Heated and Enclosed Underbelly w/Suspended Tanks
Double Insulated Roof and Front Cap (R-40*)
Heated and Enclosed Dump Valves
High Density Roof Insulation w/Attic Vent
Moisture Barrier Floor Enclosure
Cabinet Mounted Heat Ducts

--------------------------------------------------

FIFTH WHEELS

Exterior

Black Tank Flush
Full Sized Spare Tire & Carrier
80% Tint Radius Safety Glass Windows
30# LP Bottles (2) w/Cover
Radius Entry Door
High-Capacity Water Pump
Extra Large 1 1/2" Fresh Water Drain Valve
Battery Disconnect Switch
Folding Roof Ladder
Gel Coated Fiberglass Exterior
Easy Access Low Point Drain Valves
Insulated Storage Doors
Large Panoramic Windows
Magnetic Storage and Entry Door Latches
Power Awning w/LED Accent Lighting
Under Unit Accent Lighting

Construction

Oversized Tank Capacities
One-Piece TPO Roof Membrane w/12-Year Warranty
Laminated Aluminum Framed Rear Ramp Door (R-7)
Laminated Aluminum Framed Side Walls (R-11)
Laminated Aluminum Framed Roof and End Walls in Slide Rooms (R-7)
1" Marine Grade OSB Floor (R-30*)
5" Radius Wood Framed Roof (R-40*)

Running Gear

Upgraded Axle Hangers
Heavy Duty H-Rated Tires
Heavy Duty 7,000 lb. Axles with ABS Drum Brakes (355G, 415G)
Heavy Duty 8,000 lb. Axles with ABS Drum Brakes (320G, 325G, 350G)
17.5" H-Rated Aluminum Wheels
MORryde CRE3000 Suspension System
Tow Assist ABS & Sway Mitigation System

Frame & Chassis

Electric Auto Leveling System
101" Wide-Body Super Chassis

Interior

Under Counter Accent Lighting
Above Cabinet Accent Lighting
Solid Hardwood Drawer Fronts
Solid Core Cabinet Stiles
Pre-Drilled and Screwed Cabinetry
Ball Bearing Full Extension Drawer Glides
Night Shades (All Windows)
Upgraded Residential Furniture
Residential Countertops
Plywood Drawer Bottoms (N/A 315G)

Kitchen

Microwave
Residential Kitchen Faucet
Stainless Steel Accented 3-Burner Range with Oven
Glass Range Cover (Flush w/ Countertop)
12-Volt High Power MaxxAir Fan with Rain Sensor

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
Fireplace w/5000 BTU Electric Heater
Main A/C with Race Track Ducting
Attic Vent
High-Capacity Heat Ducts

Plumbing

Sewer Hose Storage Area
All-In-One Enclosed and Heated Utility Center

Bedroom

Night Stands
Bedside Outlets
USB Chargers
Solid Bedroom Door
Residential Bedspread
TV and Cable Prep

Bathroom

Residential Walk-In Shower
Skylight Over Shower
Power Vent Fan
Medicine Cabinet with Mirror

Appliance

Fireplace with Electric Heater
Stainless Steel Refrigerator
Microwave

Electronic

Back-Up Camera Prep
Exterior Cable/Satellite Plug In
LED Smart TV in Living Area
Rockford Fosgate Stereo Entertainment System w/HDMI and App Controls
Exterior Speakers
No-Crank Digital TV Antenna w/Booster
TV Prep in Garage

Packages

Luxury Interior Package

Deep Seated Stainless-Steel Sink
Residential Pull-Down Sprayer Faucet
Residential Cabinetry
Motion Sensor Exterior Storage Lighting
Motion Sensor Entry Lighting
Rockford Fosgate Bluetooth Stereo
High Definition LED Television
Stainless Steel Accented Appliances

Exterior Package

Universal Docking Station
Black Tank Flush
Fiberglass Front Cap w/Paint
48” LED Front Cap Lighting
16” Aluminum Rims
Triple Aluminum Tread Entry Steps
Walk on Roof
Quick Recovery Water Heater
50 Amp Service
Detachable Marine Grade Power Cord w/LED Light

Garage Package

Fuel Station w/Interior and Exterior Gauge
Dovetail Rear End
Rear-Ramp Loading Lights w/Back-up Light Function
2,500 lbs. Tie-downs Anchored into the Chassis

Insulation Package

35k BTU High Capacity Furnace
Heated and Enclosed Underbelly w/Suspended Tanks
Double Insulated Roof and Front Cap (R-40*)
Heated and Enclosed Dump Valves
High Density Roof Insulation w/Attic Vent
Moisture Barrier Floor Enclosure
Cabinet Mounted Heat Ducts

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.

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Albany, NY	9 AM - 5 PM	Closed
Bath, NY	9 AM - 5 PM	Closed
Caledonia, NY	9 AM - 5 PM	Closed
Farmington, NY	9 AM - 5 PM	Closed
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Branchville, NJ	9 AM - 5 PM	Closed
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New 2025 Grand Design Momentum G-Class 31G

31G Floorplan

Specifications

Description

Features