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Thor Motor Coach Quantum Motor Home Class C - Diesel

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Check out the Quantum class C motorhomes by Thor Motor Coach. These units are family and budget friendly, perfect for first time owners, or experienced full timers looking to travel the countryside. Each provide quality features and options to fit your specific travel and lifestyle needs!

These gasoline models include a Ford E-Series chassis, a one-piece fiberglass front cap with LED accent lighting, and a premium one-piece TPO roof, plus many more construction and exterior features you would want in your next coach. Key features include high-gloss glazed hardwood cabinetry, a built-in skylight with electric front shade in the front cap, LED lighting, plus a 13,500 BTU roof AC, and an 8,000 lb. trailer hitch, and more. So, for a convenient way to travel, choose a Thor Motor Coach Quantum class C gas motorhome for your next road journey! Come make your selection today!
  • Quantum KM24

    Quantum KM24 Floorplan Image

    You will have no reason to stay home with this Quantum class C coach to travel ... more about Quantum KM24

    Have a question about this floorplan? Contact Us


    Sleeps 4
    Slides 1
    Length 24 ft 8 in
    Ext Width 7 ft 6 in
    Ext Height 11 ft 10 in
    Int Height 7 ft
    Interior Color Arctic Frost, Regal Onyx, Sparkling Wine
    Exterior Color Black Jack, Royal Flush HD- MAX
    Hitch Weight 5000 lbs
    Gross Weight 11030 lbs
    Fresh Water Capacity 30 gals
    Grey Water Capacity 38 gals
    Black Water Capacity 24 gals
    Furnace BTU 30000 btu
    Generator Onan RV QG 3600 LP
    Fuel Type Diesel
    Engine 3.0L V6
    Chassis Mercedes-Benz Sprinter
    Horsepower 199 hp
    Fuel Capacity 26.4 gals
    Wheelbase 170.3 in
    Number Of Bunks 1
    Available Beds Queen
    Torque 325 ft-lb
    Refrigerator Size 6 cu ft
    Convection Cooking Yes
    Cooktop Burners 3
    Shower Size 24" x 32" in
    Number of Awnings 1
    LP Tank Capacity 68.2 lbs.
    Water Heater Type Instant Tankless
    AC BTU 13500 btu
    Basement Storage 48.5 cu. ft.
    TV Info Living Room 32" LED TV, Optional Bedroom 32" LED TV, Optional Exterior 32" LED TV
    Awning Info 15' Power
    Gross Combined Weight 15250 lbs
    Shower Type Standard

    Similar Floorplans

Quantum Features:

Standard Features 


Construction & Exterior

  • Ford® E-Series Chassis
  • One-Piece Fiberglass Front Cap with LED Accent Lighting
  • Built-In Skylight with Power Shade
  • HD-MAX® Exterior with Graphics Package (GR22, RC25, RS26, RW28 & RQ29)
  • MEGA-Storage™ Compartment (GR22, RC25, RS26 & RW28)
  • Portable Table in MEGA-Storage™ Compartment (RW28)
  • Lighted Rotocast Storage Compartments
  • Power Patio Awning with Integrated LED Lighting
  • Slideout Room Topper Awning(s)
  • Roof Ladder
  • Framed Slider Windows (GR22, RC25, RS26, RW28 & RQ29)
  • 8,000-lb. Trailer Hitch with 7-pin* Round Connector
  • Automotive & Cockpit
  • Touchscreen Dash Radio with Back-Up Monitor
  • Swivel Captain's Chairs with Filler Cushions (RC25)
  • Power Windows & Door Locks
  • Deluxe Exterior Mirrors (GR22, RC25 & RS26)
  • Emergency Engine Start Switch
  • Aluminum Running Boards
  • Stainless Steel Wheel Liners
  • Keyless Entry System
  • Valve Stem Extenders


  • Rubber Tread Entry Steps with Lighted Step Well
  • Ceiling Ducted Air Conditioning System (N/A GR22)
  • LED Lighting
  • Cab-Over Bunk Ladder
  • Leatherette Jack-Knife Sofa (RS26, RW28, RQ29, LF31, PD31 & WS31)
  • Leatherette Dream Dinette® Booth
  • High-Gloss Glazed Cabinetry with Solid Wood Raised Panel Upper Cabinet Doors, Hidden Hinges & Nickel Finish Hardware
  • Full Extension Metal Ball-Bearing Drawer Guides
  • Window Privacy Roller Shades


  • 6 cu. ft. Double Door Refrigerator with Black Panel Inserts
  • (GR22, RC25, RS26, RW28 & RQ29)
  • Recessed 3-Burner Gas Cooktop with Glass Cover
  • (GR22, RC25, RS26, RW28 & RQ29)
  • 2-Burner Gas w/Single Induction Cooktop (LF31, PD31 & WS31)
  • Microwave Oven (GR22, RC25, RS26, RW28 & RQ29)
  • Flip-Up Countertop Extension (RC25 & RQ29)
  • Pop-Up Countertop Outlet (LF31, PD31 & WS31)
  • Stainless Steel Undermount Kitchen Sink
  • Solid Surface Kitchen Countertops

Bedroom & Bathroom

  • Denver Mattress® Queen Size Bed
  • Bedspread & Pillow Shams
  • Designer Headboard (GR22, RS26, RW28 & RQ29)
  • Shower with Glass Door
  • Foot Flush Porcelain Toilet
  • 12-volt Attic Fan with Cover in Bedroom


  • 40” LED TV on Manual Swivel in Cab-Over (N/A RC25 & RW28)
  • 40" LED TV on Manual Swivel in Living Area (RC25)
  • 40" LED TV in Living Area (RW28)
  • 32" LED TV in Bedroom (LF31, PD31 & WS31)
  • 32” LED Exterior TV on Manual Swivel
  • (RW28, RQ29, LF31, PD31 & WS31)
  • Two (2) 15.5” LED TVs w/DVD Player in Bunk Bed Area (LF31)
  • Blu-Ray Player
  • Power Charging Center for Electronics (LF31, PD31 & WS31)
  • Exterior Kitchen with 2.6 cu. ft. Refrigerator, Sink, 1000-watt Inverter &
  • 32" LED TV on Manual Swivel (RQ29)
  • Bluetooth® Coach Radio with Exterior Speakers (LF31, PD31 & WS31)

Electrical & Plumbing

  • Onan® RV QG 4000 Gas Generator
  • 30-amp Shoreline Power Cord
  • Second Auxiliary House Battery (RW28 & RQ29)
  • Dual Auxiliary House Batteries with Tray that
  • Holds up to 4 Batteries (LF31, PD31 & WS31)
  • Pre-Wired for Solar Charging
  • 13,500 BTU Roof Front Air Conditioner (GR22, RC25 & RS26)
  • 15,000 BTU Roof Front Air Conditioner
  • (RW28, RQ29, LF31, PD31 & WS31)
  • Exterior LP Connection
  • Whole Coach Water Filtration System (LF31, PD31 & WS31)
  • Instant Tankless Water Heater
  • Holding Tanks with Heat Pads (LF31, PD31 & WS31)
  • Black Tank Flush System (LF31, PD31 & WS31)
  • Enclosed Sewer Area for Sewer Tank Valves (LF31, PD31 & WS31)
  • Outside Shower

Platinum Package

  • HD-MAX Exterior with Graphics Package
  • Touchscreen Dash Radio & Back-Up Monitor
  • Stainless Steel Wheel Liners
  • Solid Surface Kitchen Countertop
  • Premium Window Privacy Roller Shades
  • Outside Shower

Diamond Package - Standard on LF31, PD31, WS31

  • Frameless Slider Windows
  • 30” Over-the-Range Convection Microwave Oven
  • 11 cu. ft. Residential Refrigerator w/Ice Maker (LF31 & PD31)
  • 16 cu. ft. Residential Refrigerator w/Ice Maker (WS31)
  • 1800-watt Inverter
  • Automatic Generator Start
  • Rapid Camp® Wireless Control System

Construction & Exterior Options

  • Chevrolet® Dually Chassis (GR22, RC25 & RS26)
  • Automatic Leveling Jacks (OPT RQ29 / STD LF31, PD31 & WS31)
  • Electric Stabilizing System (OPT GR22, RS26 & RW28 / STD RC25)
  • Partial Paint on HD-MAX® Exterior with Graphics Package (STD LF31, PD31 & WS31)
  • Full Body Paint Package with Gel-Coat Sidewalls (N/A GR22)

Automotive & Cockpit Options

  • Heated/Remote Exterior Mirrors w/Integrated Side View Cameras**
  • (OPT GR22, RC25, & RS26 / STD RW28, RQ29, LF31, PD31 & WS31)
  • Leatherette Captain’s Chairs (OPT GR22 & RS26 / STD RW28, RQ29, LF31 & WS31)
  • Leatherette Swivel Captain's Chairs with Filler Cushions (OPT RC25 / STD PD31)
  • Power Driver’s Seat (RQ29, LF31 & WS31)
  • Cockpit Carpet Mat

Interior Options

  • Cab-Over Child Safety Net
  • 12-volt Attic Fan with Cover in Cab-Over Bunk
  • Single Child Safety Tether in Dinette

Kitchen Options

  • Recessed 3-Burner Gas Cooktop/Oven with Glass Cover
  • (GR22, RC25, RS26, RW28 & RQ29)
  • Convection Microwave Oven (GR22, RC25, RS26, RW28 & RQ29)

Entertainment Options

  • 32” LED TV in Bedroom (GR22, RC25, RS26, RW28 & RQ29)
  • 32” LED Exterior TV on Manual Swivel (GR22, RC25, & RS26)
  • Electrical & Plumbing Options
  • 15,000 (IPO 13,500) BTU Roof Front Air Conditioner
  • (GR22, RC25 & RS26)
  • Holding Tanks with Heat Pads (GR22, RC25, RS26, RW28 & RQ29)
  • Second Auxiliary House Battery (GR22, RC25 & RS26)


Please see us for a complete list of features and available options!

All standard features and specifications are subject to change.


Thor Motor Coach is the #1 Motorhome manufacturer in North America*  The shear volume of products allows Thor Motor Coach to offer you higher quality, lower prices, and extensive features.  When it comes to giving you more for your money, no other brand can compare.

Thor Motor Coach was formed when Damon Motor Coach and Four Winds International strategically merged in late 2010.  For over 29 years Damon RV and Four Winds RV have been building many of the most recognized brands of motorized Recreational Vehicles in the world. 
Thor continually strives to be a leader in innovation and have research and development departments working with Suppliers and Sales and Service departments to bring fresh products that ensure you are getting exactly what you are looking for.
Thor Motor Coach has put in place some programs to help ensure customer happiness which includes: 24/7 Factory Direct Support (no one should expect that you only drive from 9 to 5), Gold Star Inspection (every coach driven off the Thor Motor Coach lot needs to pass a detailed 200+ point inspection and road test, no spot checking here!), Rapid Response and Concierge Connection.  The Rapid Response is in place to keep you on the road enjoying your Motorhome for years.  Rapid Response is committed to stocking the necessary parts to get you back on the road quickly if ever you need something.  And, rather than assume that everyone is happy, Concierge Connection was started so that every customer that purchases a Thor Motor Coach receives a personal phone call immediately following their purchase and again after 90 days.
With Thor Motor Coach you can be assured of finding just the right coach to fit your family, and your budget!
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