Dynamax Grand Sport Motor Home Super C - Diesel RVs For Sale
Command the road in everyday luxury with the Dynamax Grand Sport Super C diesel motorhome. Built on the Freightliner Cascadia 126 tandem chassis and powered by a 600 HP Detroit DD16 with DT-12 automatic transmission, and 10" touchscreen infotainment with Apple CarPlay and Android Auto.
Beyond the muscle, the Grand Sport surrounds you with true residential comfort: wood-free Azdel composite sidewalls, dual-pane frameless windows, heated porcelain tile floors, and beautifully finished hardwood cabinetry create a quiet, upscale space for full-time living or extended trips. A robust solar and lithium battery setup, hydronic heat, and advanced 360° camera and infotainment tech make life on the road as easy as life at home.
If you’re looking for a Super C that tows like a truck, lives like a luxury condo, and is built to go the distance, the Dynamax Grand Sport is ready to be your next home on wheels.
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Grand Sport 45CA
Dynamax Grand Sport Super C diesel motorhome 45CA highlights: Dishwasher Theater ... more about Grand Sport 45CA
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Specifications
Sleeps 6 Slides 4 Length 44 ft 11 in Ext Width 8 ft 6 in Ext Height 13 ft Int Height 7 ft 2 in GVWR 58000 lbs Fresh Water Capacity 150 gals Grey Water Capacity 75 gals Black Water Capacity 75 gals Tire Size Front 315/80R22.5, Rear 295/80R22.5 Generator 10 kW Onan diesel Fuel Type Diesel Engine Detroit DD16 15.6L diesel Chassis Freightliner Cascadia 126 tandem twin-screw Horsepower 600 hp Fuel Capacity 120 gals Wheelbase 349 in Number Of Bunks 1 Available Beds King Torque 1850 ft-lb Refrigerator Type Residential with icemaker Refrigerator Size 22 cu ft Convection Cooking Yes Cooktop Burners 2 Shower Size 38" x 40" Number of Awnings 2 Axle Weight Front 18000 lbs Axle Weight Rear 40000 lbs LP Tank Capacity 0 Water Heater Type Oasis Hydronic Continuous AC BTU 45000 btu TV Info BR 43" LED Smart TV, LR 50" LED Smart Awning Info 21' & 12'6" Armless Patio with LED lighting and wind censors Gross Combined Weight 80000 lbs Shower Type Standard Electrical Service 50 amp Solar Wattage 800 watts Similar Floorplans
Take a Virtual TourGrand Sport Features:
Standard Features (2026)
Chassis
- Freightliner Cascadia 126 Tandem Twin-Screw Chassis (58,000-lbs. GVWR / 80,000-lbs. GCWR)
- Detroit DD16 15.6L Diesel Engine (600hp / 1,850 lb-ft. of Torque)
- DT-12 Efficient 12-Speed Automatic Transmission
- 3.08 Rear Axle Ratio
- Trailer Hitch (30,000 Tow lbs. / 3,000 Tongue lbs.) with 7-Way Round Tow Connection
- 120-Gallon Fuel Capacity
- 13-Gallon Diesel Exhaust Fluid Tank
- 300-Amp Brushless Alternator
- Air Brakes with 4-Wheel ABS and Automatic Slack Adjusters
- Brake Line Air Dryer with Heater
- C-Brake by Jacobs with High/Low Settings
- Glad Hands Air Brake Connection & Controller
- 40,000-lb. Rear Air Suspension
- Automatic Rear Air Deflation System
- Rear Locking Differential
- Detroit Safety Assurance Package: Active Brake Assist, Adaptive Cruise Control, Lane Departure Warning, Detroit Connect Safety Event Viewer
- Steel-Reinforced, Aluminum Cab
- Chrome Grille
- LED Headlights
- Fog Lights
- Daytime Running Lights
- Tinted Door Glass
- Front Tires: 315/80R22.5
- Rear Tandem Tires: 295/80R22.5
- Single Front Wheels: Alcoa Aluminum (22.5" x 8.25") *Outside Rims are Polished
- Tandem Dual Rear Wheels: Alcoa Aluminum (22.5" x 8.25") *Outside Rims are Polished
- Valve Extensions
- Bendix SmarTire Banded Tire Pressure Monitoring System
- Quick Disconnect Fitting with Tire Inflation Kit
- Engine Block Heater
- Leatherette Driver and Passenger Air Ride Seats with Swivel Bases
- Bird's Eye View 360° Camera System
- 10" Touch Screen Dash Infotainment System with AM/FM, Bluetooth, Sirius/XM (tuner and antenna), Wired and Wireless Apple CarPlay / Android Auto Connectivity, and USB-C Port
- Multiple USB/12V Charging Ports on Dash
- 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
- Leather-Wrapped Smart Steering Wheel
- Dual Bright Remote/Heated Mirrors
- Power Windows and Locks
- 3-Point Seat Belts
Construction
- 2" Aluminum-Framed, Laminated Sidewalls with High-Density Block Foam Insulation
- Azdel Exterior Fiberglass (No Exterior Wood)
- Steel Basement Structure
- One-Piece Molded Fiberglass Roof Cap over Vacuum-Bonded Aluminum Trusses & High-Density Block Foam Insulation
- Quiet Integrated Air Conditioner Intake/Ducting Roof System with Channeled Rooftop Air Conditioner Drains
- Fiberglass Rear Cap and Front Wing Panels
- Automatic, 4-Point Hydraulic Leveling Jacks
- Dual-Pane, Dark-Tinted, Frameless Square Windows with Built-In Night Shades & Screens
- Bonded Front Cap Window with Power Shade
- Steel Storage Compartments with LED Lighting
- Side-Hinged, Locking Aluminum Exterior Storage Doors with Chrome Handles
- Prepped for Ladder on Rear Cap
Exterior
- Custom Full Body Paint Package with Scheme-Matching Cab Door Jambs & Slideout Sides
- Premium Cut and Buffed Paint Finish
- Front-End Diamond Shield Paint Protection
- Dual Roof-Mounted, Integrated Armless Patio Awnings with LED Lighting and Wind Sensors
- Aluminum-Wrapped Slideout Toppers
- LED Patio Light
- 30" Entry Door with Rotary Latch; Dark-Tinted, Frameless Window
- Keyless Entry Touch Pad at Entry Door
- Remote-Locking Entry Door & Exterior Storage Doors
- One Key" Locking System for Exterior Storage Doors & Entry Door
- Lighted Acrylic Entry Grab Handle
- Power Entry Steps with Upgraded SeaDek Step Treads
- Exterior Wall-Mounted Entertainment Center with 40? LED Smart TV with -Integrated JBL Sound Bar on Swivel Extension Mount
- Front and Rear LED Clearance and Marker Lighting
- Side Docking Lights
- Rear "DYNAMAX" Rock Guard
Interior
- Cab-Over Bunk with Mattress and Privacy Partition (Mattress is 51" Wide and Length Tapers Back to Front from 80" to 66")
- Heated Porcelain Tile Throughout
- Deluxe Vinyl with Pad in Select Living Area Slide Rooms
- Soft-Touch Padded Vinyl Ceiling
- Powered, Flush-Floor Stepwell Cover
- Lighted Porcelain Tile Entry Surround
- Fitted Entry Step Carpet Mats
- Dimmable LED Recessed Ceiling Lights
- Soft Touch" Sprung, Residential Style Dinette Seats with Lift Up Storage
- Home Theater Lounge with USB Ports
- Love Seat
- Hardwood Shaker-Style Cabinetry
- Hardwood Shaker-Style Passage Doors
- Full Extension, Soft-Closing Drawer Guides (where applicable)
- Dovetail Joints on Cabinet Drawers
- Hidden Hinges
- 50" LED Smart TV (Living Area)
- Sonos Ultra Arc Sound Bar with Sub-Woofer
Kitchen
- 22 cu. ft. Residential Refrigerator with Ice Maker
- Induction Range
- Convection Microwave Oven with Air Fryer Functionality
- Solid Surface Countertops with Accent Lighting and Tile Backsplash
- Stainless Steel Sink with Solid Surface Covers
- Residential Faucet with Pull-Out Sprayer
- Storage Compartment for Sink Covers
- Dishwasher
- Power Kitchen Countertop Extension
- Pantry
- Overhead Cabinet Accent Lighting
- Under-Cabinet Lighting
- MaxxAir Power Vent with Built-In Rain Cover
Bedroom
- King Bed (70"x80")
- Deluxe Padded Headboard
- Designer Bedding Package
- 43" LED Smart TV with Bose Sound Bar
- Fireplace
- Digital Safe in Wardrobe
- Nightstands with Solid Surface Countertops
- LED Reading Lights
- USB Charging Ports
Bathroom
- Solid Surface Shower (38"x40")
- Teak Fold-Down Seat in Shower
- Glass Shower Door
- Shower Skylight
- Deluxe Multi-Shower Head System
- Shower Miser
- Solid Surface Countertops with Tile Backsplashes
- Under-Mount Sinks with Residential Faucets
- Back-Lit Vanity Mirrors
- Porcelain Foot-Flush Toilet (45CB: Mid 1/2 Bath)
- Porcelain Electronic-Flush Macerator Toilet (45CB: Rear Full Bath)
- MaxxAir Power Vent with Built-In Rain Cover
Utilities
- Three (3) Low-Temp Lithium House Batteries (486aH Total)
- Four (4) 200W Glass Solar Panels with MPPT Controllers
- 2,800W Hybrid Pure Sine Wave Inverter/Charger
- 50-Amp Service with 34' Power Cord Reel
- PrecisionPlex Multiplex Wiring with Touch Screen Command Center with -Bluetooth Smart Phone App Control
- 10kW Onan Diesel Generator with Auto Transfer Switch (Mounted on Isolator Pads)
- Automatic Generator Start
- Energy Management System (EMS)
- Battery Disconnect
- Three (3) Ducted, Low-Profile 15,000-BTU Air Conditioners with Heat Pumps
- Oasis Hydronic Diesel Heat System with Continuous Hot Water
- Stackable Washer/Dryer
- Central Vacuum System
- Water Filtration System
- Exterior Shower in Service Bay
- Power Water Hose Reel in Service Bay
- Exterior GFCI Receptacle
- Starlink Satellite Internet System
- Winegard OTA HDTV Antenna
- Prepped for Roof-Mounted Satellite
- 4x4 HDMI Matrix
- Cable TV/Satellite Hookup in Service Bay
- Thetford Sani-Con Turbo Macerator System
- 4-Way Water Management Valve in Sewer Bay
- Black Tank Flush
- Pressure Sense Tank Level Monitoring System
- Utility Compartment Heated by Oasis System
- Enclosed Holding Tanks Heated by Oasis System
- Upgraded 12V On-Demand Water Pump (4 gallons per minute)
- Carbon-Monoxide, LP, and Smoke Detectors
- Fire Extinguisher
Options
- Free-Standing Dinette with Hutch and Four (4) Chairs in place of Booth Dinette
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.
Manu-Facts:
At Dynamax, legendary product integrity and customer loyalty have combined to build a powerful brand. Now, a new generation of RVs are coming of age – delivering the best of both worlds – casual, easy living interiors with fresh décor options designed to maximize comfort and value.
We work hard to provide the most enjoyable ownership experience in the industry. Through our dedicated on-site service department we are able to provide incredible value and successfully cultivate wonderful relationships with our owners.
At Dynamax, reaching a higher standard is not an option, it’s a tradition. When you take our higher standards of safety, quality, and reliability and then back them up with our industry-leading warranty & customer service, you get a very powerful combination. Just as in a home, an RV provides a number of opportunities for something to go wrong. While we work hard to assure that things do not go wrong, we make sure that our Warranty and Customer Service Support is there to take care of you if something does!
Dynamax is stronger than ever as part of Forest River, Inc. You can have confidence that we will be around to make your ownership worry free for a long time to come.
At Dynamax, our passion for providing quality RVs with exceptional value has resulted in legendary product integrity and customer loyalty. Our innovative engineers utilize our state-of-the-art facilities to create products that maximize the comforts & features you desire – all backed by the trusted Dynamax name.
We understand that the recipe for success is attention to detail. So, we pride ourselves in our innovative and “customer friendly” products. We enjoy incredible customer loyalty because our ears are always open to the product input of our Dynamax product owners. Through these efforts, we are able to design reliability and functionality into every RV we build.