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Image #2 - Floorplan - 2017 Dynamax DX3 37RB - Stock #17212 - Floorplan
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Image #45 - New 2026 Dynamax DX3 37RB Motor Home Class C - Diesel - Stock #17212
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Image #68 - New 2026 Dynamax DX3 37RB Motor Home Class C - Diesel - Stock #17212
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+68- Selling Price: $339,798
- Retail Price : $492,206
- Savings: $152,408
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41ft long
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Sleeps 5
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3 slides
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Cummins ISL Turbo 8.9L
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350 HP
37RB Floorplan
37RB Floorplan
Specifications
Specifications
| Sleeps | 5 | Slides | 3 |
| Length | 41 ft 2 in | Ext Width | 8 ft 5 in |
| Ext Height | 12 ft 9 in | Hitch Weight | 20000 lbs |
| GVWR | 33000 lbs | Fresh Water Capacity | 100 gals |
| Grey Water Capacity | 52 gals | Black Water Capacity | 52 gals |
| Tire Size | 275/80R22.5 | Fuel Type | Diesel |
| Engine | Cummins ISL Turbo 8.9L | Chassis | Freightliner M2 |
| Horsepower | 350 hp | Fuel Capacity | 100 gals |
| Wheelbase | 286 in | Available Beds | King |
| Torque | 1000 ft-lb | Refrigerator Type | Double Door |
| Refrigerator Size | 16 cu ft | Cooktop Burners | 2 |
| Axle Weight Front | 12000 lbs | Axle Weight Rear | 21000 lbs |
| LP Tank Capacity | 20.3 | AC BTU | 30000 btu |
| TV Info | LR 40" LED TV, BR 32" LED TV, Ext. 32" LED TV | Awning Info | 18' |
| Gross Combined Weight | 54000 lbs | Shower Type | Radius |
| Electrical Service | 50 amp | VIN | 1FVACXFE1THWP4773 |
Description
Description
Dynamax DX3 motor home class C - diesel 37RB highlights:
- Rear Bath
- His/Her Sinks
- Half Bath
A bath and a half! Yes, you heard correctly, the DX3 37RB motorhome by Dynamax features a rear master bathroom and a half bath just past the central living area. You will also love all of the slides throughout this model. As you enter the motorhome of your dreams, you will immediately notice and feel the spaciousness of the kitchen and living area. Both the sofa and the dinette also have seat belts so your passengers will be safe as you travel across the country, or around town. Also, outside you can enjoy a 32" entertainment center, and much more!
Dynamax keeps three things in mind when building these DX3 class C motorhomes, construction, power, and luxury. The construction features aluminum frames and gel-coat fiberglass walls. The power behind the vehicle is a mighty engine and automatic transmission that result in amazing torque and towing capacity. Some of the luxurious features are backup/side cameras that will make parking a breeze. There are also USB charging ports, convection microwave ovens, and day/night roller shades. So whether you are looking at the construction of a vehicle, the power behind a vehicle or the luxury of the interior be sure to check out these models today to examine all three in action.
Features
Features
Standard Features (2026)
Chassis
- Freightliner M2 106 PLUS Chassis (33,000-lbs. GVWR / 54,000-lbs. GCWR)
- Cummins L9 Turbo Diesel Engine (360hp / 1,150 lb-ft. of Torque)
- Allison 3200 TRV Six-Speed Automatic Transmission
- 4.78 Rear Axle Ratio
- Trailer Hitch (20,000 Tow lbs. / 2,000 Tongue lbs.) with 7-Way Round Tow Connection
- 100-Gallon Fuel Capacity (Twin 50-Gallon Aluminum Fuel Tanks) with Equiflo Inboard Fuel System
- 6-Gallon Diesel Exhaust Fluid Tank
- 275-amp Alternator
- Air Brakes with 4-Wheel ABS
- Fuel Filter/Water Separator with Primer Pump
- C-Brake by Jacobs with High/Medium/Low Settings
- Brake Controller
- Airliner 21,000-lb. Rear Air Suspension
- Manual Air Suspension Dump Valve Switch on the Dash
- Bilstein Gas-Charged Front Shock Absorbers
- Front Sway Bar
- Rear Locking Differential
- Cruise Control
- Steel-Reinforced, Aluminum Cab
- Chrome Grille
- LED Headlights
- Fog Lights
- Daytime Running Lights
- Tinted Door Glass and Wing Windows
- Front and Rear Tires: 275/80R22.5 (14 Ply Radials)
- Single Front Wheels: Alcoa Aluminum (22.5" x 8.25") *Outside Rims are Polished
- Dual Rear Wheels: Alcoa Aluminum (22.5" x 8.25") *Outside Rims are Polished
- Valve Extensions
- Tire Pressure Monitoring System
- Quick Disconnect Fitting with Tire Inflation Kit
- Engine Block Heater
- Leatherette Driver and Passenger Air Ride Seats with Air Lumbar Controls
- Quad-View Camera System (Right Side, Left Side, Hitch, and Rear Horizon Views)
- Mobileye Collision Avoidance System
- Sony 10.1" HD Touch Screen Dash Infotainment System with AM/FM, Bluetooth, Sirius/XM (tuner and antenna), Wired and Wireless Apple CarPlay / Android Auto Connectivity, USB-C Port, and High-Resolution Audio
- JBL Premium Cab Sound System - JBL full range/tweeter coaxial speakers, dual voice coil subwoofer, and a high-efficiency, high-performing, 4-channel DSP amplifier, all "Tuned" specifically for the Freightliner M2
- 12V Accessory Ports
- Chassis Battery Shut Off Switch in Cab
- Air Horn
- One Valve Parking Brake System with Warning Indicator
- Engine After-Treatment Device, Automatic Over-the-Road Regeneration, and Dash-Mounted Regeneration Switch
- Momentary Battery Booster Switch for Connecting Chassis and House Batteries
- Marker Lights with Separate Interrupter Switch
- Low Air Pressure Light and Buzzer
- Adjustable Steering Column
- 18" Leather-Wrapped Steering Wheel
- Power and Heated Exterior Mirrors
- Power Windows and Locks
- 3-Point Seat Belts
Construction
- 2" Aluminum-Framed, Laminated Sidewalls with High-Density Block Foam Insulation
- Composite Exterior Fiberglass (No Exterior Wood)
- Aluminum-Framed Floor
- Aluminum-Framed Roof Trusses
- Crowned, One-Piece Fiberglass Roof
- Foil-Lined Ductwork Throughout
- Fiberglass Rear Cap and Front Wing Panels
- Automatic, 4-Point Hydraulic Leveling Jacks
- Dual-Pane, Dark-Tinted, Frameless Square Windows with Integrated Day/Night Shades
- Seamless Rotocast Storage Compartments with LED Lighting
- Side-Hinged, Locking Aluminum Exterior Storage Doors with Paddle Latches
Exterior
- Custom Full Body Paint Package with Scheme-Matching Cab Door Jambs
- Premium Cut and Buffed Paint Finish
- Front-End Diamond Shield® Paint Protection
- Roof-Mounted, Integrated Armless Patio Awning with LED Lighting and Wind Sensor
- Aluminum-Wrapped Slide Out Toppers
- LED Patio Light
- Entry Door with Rotary Latch; Dark-Tinted, Frameless Window; and Integrated Shade
- Keyless Entry Touch Pad at Entry Door
- Lighted Acrylic Entry Grab Handle
- Power Entry Steps with upgraded SeaDek Step Treads
- Remote Locking System for Exterior Storage Doors & Entry Door (Starting at DXC007159)
- Exterior Wall-Mounted Entertainment Center with 40" LED Smart TV and Sound Bar
- Front and Rear LED Clearance and Marker Lighting
- Rear LED Docking Lights
- Polished Stainless Steel Cab Step Treads
- Rear “DYNAMAX” Rock Guard
- Chrome Exhaust Tip
Interior
- Luxury Vinyl Tile Throughout
- Soft-Touch Padded Vinyl Ceiling
- Luxury Vinyl Tile Entry
- Dimmable LED Recessed Ceiling Lights
- Sprung, Residential Style Dinette Seats with Lift Up Storage
- Tri-Fold Sofa (N/A - 32KD)
- Dual, Power Reclining Theater Seats in Place of Sofa (32KD)
- Hardwood Raised Panel Cabinetry with Five-Piece Drawer Fronts
- Hardwood Shaker-Style Passage Doors
- Full Extension, Soft-Closing Drawer Guides (where applicable)
- Hidden Hinges
- 42" LED Smart TV (Living Area) (N/A - 37BD & 37TS)
- 39" LED Smart TV (Living Area) (37BD Only)
- Entertainment Center with Pop-Up 50" LED Smart TV and Fireplace (37TS Only)
- JBL Sound Bar
- Magnetic Thermal, Reflective Front Privacy Shades
- USB/USB-C Charging Ports
Kitchen
- 18 cu. ft. Residential Refrigerator with Ice Maker (N/A 32KD)
- 16. cu. ft. Residential Refrigerator with Ice Maker (32KD only)
- Sealed Gas Range with Glass Cover
- Convection Microwave Oven
- Solid Surface Countertops with LED Edge Lighting and Backsplash
- Stainless Steel Sink with Solid Surface Covers
- Residential Stainless Steel Spring Gooseneck Faucet
- Pantry
- Overhead Cabinet Accent Lighting
- Under-Cabinet Lighting
- MaxxAir® Power Vent with Built-In Rain Cover
Bedroom
- King Bed (71"x78") with Gel-Infused Memory Foam Mattress
- Deluxe Padded Headboard
- Designer Bedding Package
- 32" LED Smart TV
- Sound Bar (N/A - 32KD)
- Cedar-Lined Wardrobe
- Digital Safe in Wardrobe
- Nightstands with Solid Surface Countertops
- LED Reading Lights
- USB Charging Ports
- Bunk Bed Mattresses (28" x 76") and Privacy Partition (37BD)
- Two Bunk CD/DVD Players with Monitors (37BD)
Bathroom
- Solid Surface Shower Surround (36"x30")
- Shower Skylight
- Glass Shower Door
- Oxygenics Body Spa® RV Shower Head
- Solid Surface Countertop with LED Edge Lighting and Backsplash
- Under-Mount Sink with Residential Brushed Nickel Faucet (37RB: Two Sinks in Full Rear Bath)
- Porcelain Foot-Flush Toilet (37BD & 37TS)
- Porcelain Electronic-Flush Macerator Toilet(s) (N/A 37DB & 37TS)
- MaxxAir® Power Vent with Built-In Rain Cover
Utilities
- Dual 12V 8D AGM Deep-Cycle, Maintenance-Free Batteries
- Firefly Multiplex Wiring with Touch Screen Command Center, Switch Panels, and Bluetooth Smart Phone App Control
- Battery Disconnect
- 50-Amp Service with Power Cord Reel
- 3,000W Hybrid Pure Sine Wave Inverter/Charger (3,500 Peak Watts)
- 8kW Onan® Diesel Generator with Auto Transfer Switch (Mounted on Isolator Pads)
- Automatic Generator Start
- Solar Panel - Single 200 Watt with 30 Amp Controller
- Dual Ducted, Low-Profile 15,000-BTU Air Conditioners with Heat Pumps
- Aqua-Hot® 400D Diesel System
- Combo Washer Dryer Prep (32KD)
- Stackable Washer/Dryer Prep (N/A - 32KD)
- 20.3-Gallon LP Tank (WC)
- LP Quick Connect
- Water Filtration System
- Exterior Shower in Service Bay
- Power Water Hose Reel in Service Bay
- Exterior GFCI Receptacle
- KING® Jack™ Directional OTA HDTV Antenna
- KING® DISH Tailgater® Pro Premium HD Satellite with DISH Network Receiver
- 4x4 HDMI Matrix
- Cable TV/Satellite Hookup in Service Bay
- Thetford® Sani-Con Turbo Macerator System
- Black Tank Flush
- SureLevel® Tank Level Monitoring System
- Utility Compartment Heated by Aqua-Hot® System
- Enclosed Holding Tanks Heated by Aqua-Hot® System
- Upgraded 12V On-Demand Water Pump (4 gallons per minute)
- Carbon-Monoxide, LP Gas, and Smoke Detectors
- Fire Extinguisher
Options
- Aerodynamic Fiberglass Front Cap with Cab-Over Cabinets
- Extended Fiberglass Front Cap with Cab-Over Bunk Mattress and Privacy Curtain
- Black Out Package (Cab Entry Steps, Side Mirrors, Rock Guard, Wheels, Headlight Bezels, Exterior Grab Handle Trim, Custom Grille and Vent)
- Chrome Appearance Package (Custom Grill and Vent; Dual Roof-Mounted Air Horns, Baggage Door Handles; & Remote-Locking System for Exterior Bays & Entry Door)
- Single Color Full Body Paint (with $3,750 MSRP credit)
- 12V 15 cu. ft. 3-Door Compressor-Driven Refrigerator in place of Standard Refrigerator and Side Pantry
- Washer/Dryer (N/A - 32KD)
- All-Electric Package: Induction Range and Exterior Storage Compartment in Place of LP Tank
- Dual, Power Reclining Theater Seats in Place of Dinette (N/A - 34KD)
- Three-Seat, Power Reclining Theater Seats in Place of Dinette (34KD - Only Outer Seats are Powered)
- Xplorer Package - includes Insulated Cab Curtain; Two Lithium House Batteries (540aH Total); 1,000W Solar Package; Insulated Utility Bay; & Access to Exclusive Xplorer Package Paint Scheme (Dark, Light, or Midnight)
Please 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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What Other Customers Are Saying
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JakeGreat buying experience, would highly recommend Ram Motors.
Thomas was such a great pleasure to work with. He is very knowledgeable with all of the RVs on the lot and helped us find the perfect one. Thomas was very thorough during our walk through and ensured we were comfortable with all the features. Additionally, Uriah made financing simple, easy and fast! -
ArthurJames was very helpful and cares about the customers!
James was very helpful and cares about the customers -
JacquelineWe would highly recommend Ram Motors to our friends and family.
I'm not in the habit of writing reviews but I had to this time. We went to Ram Motors after seeing a Class C advertised on Craigslist. We had been looking for awhile and finally found the perfect one. Walter and Chris are not only very honest but extremely fun to work with. They have a great selection
We are here to help!
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Ram Motors RV & Truck Center is not responsible for any misprints, typos, or errors found in our website pages. Any price listed excludes sales tax, registration tags, and delivery fees. Manufacturer pictures, specifications, and features may be used in place of actual units on our lot. Please contact us @ 505-892-3600 for availability as our inventory changes rapidly. All calculated payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available.
Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. Where an image has a stock image indicator, please confirm specific unit details with your dealer representative.