2026 Dynamax Grand Sport 45CB 

2026 Dynamax Grand Sport 45CB

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.

Features may include:

• 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

Options:

• Free-Standing Dinette with Hutch and Four (4) Chairs in place of Booth Dinette