2026 DYNAMAX GRAND SPORT 45CB

INV10353

2026

Class Super C Motorhomes

320 mi

Accurate / Verified

Yes

Thornville, Ohio 43076

New

Grand Sport Class C Motorhomes Built on the formidable Freightliner Cascadia 126 chassis and powered by a 600 hp Detroit DD16 engine, the Grand Sport is the most powerful motorhome in the Dynamax Super C lineup. It’s engineered to command the road with 1,850 lb.-ft of torque, a 30,000-lb. towing capacity, and the confidence of the industry-leading Detroit Safety Assurance Package. GRANDSPORT FEATURES & OPTIONS 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 32,000-lb. (Ball) / 40,000-lb. (Pintle) Hitch with 6,000-lb. Tongue Rating 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 9") *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 USBC 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 DashMounted 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 & HighDensity 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 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 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 Electronic-Flush Macerator Toilet (45CB: Mid & Rear 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 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 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

120 gal

150 gal

75 gal

75 gal

4

Yes

33 ft

Yes

Yes

Yes

Yes

Yes

Freightliner

18,000 lb

40,000 lb

58,000 lb

80,000 lb

Tandem

349 in

Yes

30,000 lb

44 ft 11 in

8 ft 6 in

13 ft

Yes

Left Hand Drive

Yes

3

600 HP

DETROIT