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Solitude 373FB / 373FB-R

Specs / Features / Packages


13950 lbs
Hitch Weight1
2800 lbs
16800 lbs
41' 4"
13' 5"
Axle Rating
7,000 lb.
Fresh Water Capacity4
93 Gal
Grey Water Capacity
100 Gal
Waste Water Capacity
100 Gal
LP Capacity
60 lbs
35000 BTU
5000 BTU
Frame Size
12" Main Rail I-Beam/10"Drop Rail
R-Value (Main Floor)3
R-Value (Walls)
R-Value (Roof)3
Aluminum Cage
Awning Length
14' 5" & 10" 4"
Std. Bed Dimensions
60" X 80" Queen (Opt. King)



  • Plywood Drawer Bottoms(S)
  • Under Step Shoe Storage (Most Models)(S)
  • Double Tri-Fold Hide-A-Bed Sofas (375RES, 377MBS, 380FL, 382WB, 390RK)(S)
  • Leaded Glass Cabinet Door Inserts (Select Areas)(S)


  • Tire Linc TPMS System(S)
  • Heavy Duty G-Rated Tires w/NitroFill™(M)
  • Dual Pane Windows(O)
  • 6-Point Hydraulic Leveling System(M)
  • Full Body Paint(O)
  • Slide-Out Awning Toppers(O)
  • Under Unit LED Light Kit(S)
  • Front Cap Windshield (3550BH, 2930RL, 380FL, 382WB)(S)
  • Pull-Out Kitchen (In Pass-thru) (NA 378MBS)(O)
  • Back-Up Camera Prep(S)


  • Residential Kitchen Faucet with Pullout Sprayer(S)
  • Stainless Steel 18 Cu. Ft. 4-Door Refrigerator(M)
  • Professional Grade Stainless Steel Cooktop w/ Built-in Oven(S)
  • Residential Stainless Steel French Door Refrigerator (IPO 18 cu. ft. RV Refrigerator)(O)
  • Stainless Steel 12 Cu. Ft. 4-Door Refrigerator(S)
  • Microwave(M)
  • Real Tile Backsplash(S)
  • Oversized Kitchen Pantry(S)
  • Hardwood Kitchen Light Soffit(S)
  • LED Rope Lighting in Pantry(S)
  • Dishwasher Prep (310GK, 344GK, 372WB, 373FB, 385GK)(S)
  • Hutch with Flip-Top Hidden Storage (380FL, 382WB, 390RK)(S)


  • One-Piece Fiberglass Shower with Glass Door(S)
  • Porcelain Toilet(S)
  • Undermount Lav Sink(S)


  • Upgraded Axle Hangers(S)
  • Drop Frame Chassis(S)


  • Residential Style Headboard(S)
  • 60" x 80" Queen Bed (NA 385GK)(S)
  • Under Bed Storage Area(S)
  • King Bed (Std 385GK)(O)
  • Individually Switched Reading Lights Over Bed(S)
  • Window Above Master Bed Headboard(S)

Audio & Video

  • LED TV in Master Bedroom(M)
  • King Jack Antenna(S)
  • Solar Prep(S)


  • 55 Amp Converter(S)
  • 12V Tank Heaters(M)
  • Generator Prep(O)
  • Onan 5.5kw LP Generator (Requires Generator Prep)(O)
  • Solar Prep (10 gauge wiring with universal MC4 connectors)(S)
  • Solitude Solar System (300w Solar Panel, Controller, 2000w Inverter)(O)

HVAC & Plumbing

  • Exterior Spray Port (Door Side)(S)
  • Heat Pump A/C Upgrade in Living Area(O)
  • Fireplace with Electric Heater(M)
  • 12 Gallon Gas/Electric Water Heater(S)


  • 7K Axles with Disc Brakes(O)
  • 8K Axles with Disc Brakes and H-Rated Cooper Tires(O)



  • Satellite/Cable Prep (All TV Locations)
  • 101" Widebody Construction
  • Heavy Duty 7,000 lb. Axles
  • 16" Aluminum Wheels
  • High-Gloss Gel Coat Exterior Sidewalls
  • Color Matched Fender Skirt
  • 5-Side Aluminum Cage Construction
  • Walk-On Roof
  • TPO Roof Covering w/ 12-Year Warranty
  • Slam-Latch Baggage Doors
  • Magnetic Entry and Baggage Door Catches
  • Entry Door w/Privacy Glass
  • Frameless Tinted Windows
  • Painted Gel Coat Fiberglass Front Cap
  • Exterior Security Light
  • Roof Ladder
  • 50 Amp Service w/Detachable Power Cord
  • 12-Volt Battery Disconnect


  • Exterior Cable/Satellite Plug-In
  • Pull-Out Ottoman at Bed Base (N/A 373FB)
  • Dresser w/ Flip-Top Hidden Storage (NA 380FL, 382WB)
  • MORryde® Pin Box
  • MORryde® CRE3000 Suspension System
  • Self Adjusting Brakes
  • 16" Spare Tire (Undermount)
  • Slide-Out Selector Valves
  • Power Patio Awning with Integrated LED Lighting
  • Sewer Hose Storage Area
  • Kitchen 12-Volt High Power MaxxAir Fan with Rain Sensor
  • Washer/Dryer Prep
  • Whole House Water Filtration System
  • Easy Clean Solid Surface Steps


  • LED Smart TV in Living Area
  • Rockford Fosgate Stereo Ent. System w/ HDMI and App Controls
  • Exterior Speakers
  • Night Stands with USB Ports
  • Bedside 110-Volt Outlets (2)
  • Keyed Alike (One Key For All Entry and Baggage Doors)
  • SolidStep Quad Entry Steps
  • Stealth A/C System (Dual AC's w/Racetrack Ducting)
  • Roller Shade Window Coverings
  • Hardwood Window Treatments
  • Congoleum Flooring w/3-Year Warranty
  • Hallway Handrail
  • Recessed LED Ceiling Lighting
  • Interior LED Accent Lighting
  • Hardwood Cabinet Doors
  • Signature Wall Mounted Dinette Table w/4 Padded Chairs (2 Stow Away Chairs)
  • Power Reclining Theatre Seating w/Swivel Tables (Includes LED Lighting, Heat and Massage Function)
  • Tri-Fold Hide-A-Bed Sofa
  • Smoke Detector, LP Alarm, Carbon Monoxide Alarm
  • Solid Surface Countertops & Sink Covers
  • Stainless Steel Undermount Kitchen Sink


  • 35k BTU High Capacity Furnace
  • Fully Enclosed Underbelly w/ Heated Tanks and Storage
  • Attic Vent
  • High Capacity Heat Ducts
  • All-In-One Enclosed and Heated Utility Center
  • UVW:
  • Length:
  • Height:
  • Water Capacities: Fresh: Grey: Waste:

Because of our commitment to continuous product improvement, Grand Design RV reserves the right to change components, standards, options, specifications, pricing and materials without notice and at any time. Photos may show optional equipment which may not be included in the standard purchase price of the featured unit. Be sure to review current product details with your local dealer before purchasing.