2008 DYNAMAX CORP GRAND SPORT ULTRA 450UL
27
Rv TypeClass C
Length45 ft
Fuel TypeDiesel
Mileage62000 mi
40K TOWING! PRIVATE SALE!!!
RV DetailsStock #: 113
ConditionUsed
GVWR
Sleeps4
FloorplanGRAND SPORT
A/C Units3
Slide Outs4
Description
2008 Dynamax Grand Sport Ultra 450UL — Pre-DEF Luxury Super C — Lithium-Ion Conversion
$179,900 OBO; reasonable offers considered.
62,203 miles | Freightliner Columbia chassis | 450-hp Mercedes-Benz diesel | 12-kW PowerTech generator
Built during Dynamax’s independent, pre-Forest River era, renowned for superior build quality and attention to detail, this 2008 Dynamax Grand Sport Ultra 450UL features full-body Ravenwood paint in black and gold. This premium Super C combines luxury residential living with commercial-grade towing and chassis capability – exceptional storage inside and out, luxury finishes, and documented 56,700-lb. GVWR and 80,000-lb. GCWR.
This pre-DEF coach rides on a heavy-duty Freightliner Columbia chassis, with air service lines at the rear hitch. Its Aqua-Hot hydronic heating system (including engine pre-heat) and heated floors in the living area and bathroom support comfortable travel across multiple seasons.
We are the third owners and lived in the coach full-time from August, 2021, through May, 2026. It has been meticulously maintained by Certified RV Inspectors and Certified RV Technicians. Currently stored indoors in San Diego, California, the motorhome is registered and licensed in Texas. Clean Texas title in hand; easy title transfer.
Mechanical / Exterior / Maintenance Highlights
PLEASE SEE OUR RVUSA AD FOR MORE INFO AND DETAILS!!!!!!
https://www.rvusa.com/detail?id=5280261
$179,900 OBO; reasonable offers considered.
62,203 miles | Freightliner Columbia chassis | 450-hp Mercedes-Benz diesel | 12-kW PowerTech generator
Built during Dynamax’s independent, pre-Forest River era, renowned for superior build quality and attention to detail, this 2008 Dynamax Grand Sport Ultra 450UL features full-body Ravenwood paint in black and gold. This premium Super C combines luxury residential living with commercial-grade towing and chassis capability – exceptional storage inside and out, luxury finishes, and documented 56,700-lb. GVWR and 80,000-lb. GCWR.
This pre-DEF coach rides on a heavy-duty Freightliner Columbia chassis, with air service lines at the rear hitch. Its Aqua-Hot hydronic heating system (including engine pre-heat) and heated floors in the living area and bathroom support comfortable travel across multiple seasons.
We are the third owners and lived in the coach full-time from August, 2021, through May, 2026. It has been meticulously maintained by Certified RV Inspectors and Certified RV Technicians. Currently stored indoors in San Diego, California, the motorhome is registered and licensed in Texas. Clean Texas title in hand; easy title transfer.
Mechanical / Exterior / Maintenance Highlights
- 450-hp Mercedes-Benz diesel engine (pre-DEF configuration)
- 140-gallon fuel capacity
- 6-speed Allison automatic transmission
- Engine oil and filter, engine coolant, transmission fluid and filter replaced/changed approximately 3,000 miles ago
- 12-kW PowerTech diesel generator with approximately 1,200 hours
- Generator oil and filter, generator coolant changed less than 50 hours ago
- Fluid analysis reports and service records available
- Aqua-Hot 600D heating and hot-water system
- Aqua-Hot burner rebuilt, circulation pumps replaced, system flushed in 2025
- Three 15,000-BTU ducted heat-pump air-conditioning units
- Commercial air brakes and air-ride suspension
- Automatic hydraulic leveling jacks with SnapPads
- Diamond Shield protection replaced in 2026
- Ten Michelin X-Line tires – 22,000 miles since installation in August 2021
- One-piece fiberglass roof
- New windshield glass and slideout toppers
- Backup camera operational; side cameras operate intermittently (requires troubleshooting/service)
PLEASE SEE OUR RVUSA AD FOR MORE INFO AND DETAILS!!!!!!
https://www.rvusa.com/detail?id=5280261
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$179,900