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Description


The 2004 National Dolphin 5324 (often listed as 5342 or within the series) was a gas Class A motorhome built on a Workhorse W-22/W-24 chassis, featuring an 8.1L GM Vortec engine, 4-wheel disc brakes, and up to 30 amp electrics, known for quality construction with features like basement A/C, dual-pane windows, and options for king beds and washer/dryers, offering a comfortable, well-engineered ride for its class.
Key Specifications:
  • Chassis: Workhorse W-22 or W-24
  • Engine: 8.1L GM Vortec V8 gasoline
  • Horsepower: 340 HP
  • Transmission: Allison (implied, common for Workhorse chassis)
  • Length: Around 35 ft (varies by floorplan)
  • GVWR: 22,000 lbs (for most models)
  • Fuel: Gasoline, ~75 gal capacity
  • Electrical: 30 Amp service
  • Brakes: 4-Wheel Disc with ABS
  • Cooling/Heating: Basement Air/Heat unit, Central Air (standard on Dolphin)
  • Windows: Double-Pane
Features & Options (Varies by Floorplan):
  • Sleeps: Up to 6
  • Refrigeration: 10 or 12 cu. ft. 4-door with ice maker
  • Oven: Microwave/Convection oven
  • Laundry: Washer/Dryer combo available (on larger floorplans)
  • Flooring: Quality cabinetry, furniture, and finishes
What to Know:
  • Model Numbers: Look for 5320, 5342, 5355, 5375 or LX models (63xx series), as these were common variations.
  • Quality: Known as a top-tier gas coach for its time, praised for its stability and build.
  • Power: The W-22/W-24 Workhorse chassis with the 8.1L engine offered good performance for a gas RV, often better than Ford V-10s. 

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