Used 2003 Holiday Rambler Neptune 34PDD Motor Home Class A

The Colton RV & Marine Advantage

No Hidden Fees RV and Boat Pricing:

The Colton RV & Marine Advantage (What Others Don’t Tell You).

Buying an RV or boat should feel exciting — not confusing. That’s why we created No Hidden Fees RV and Boat Pricing, part of the Colton Advantage.

Too often, shoppers fall in love with a unit online, only to be hit later with surprise fees like freight (getting the RV or boat to the dealership) or prep (the cost to clean, inspect, and ready the unit for you). These extra charges can add $1,000 to $10,000 to your total — and most dealers don’t mention them until it’s time to sign.

At Colton RV & Marine, we don’t believe in that. That’s why we created Colton Advantage Pricing — our commitment to transparent, all-inclusive pricing that respects your time and your budget.

Holiday Rambler Neptune 34PDD - Class A Motorhome highlights:

The 2003 Holiday Rambler Neptune 34PDD is a Class A diesel pusher motorhome built on a proprietary Roadmaster chassis and powered by a 300-horsepower Cummins ISB engine. Measuring approximately 34 feet and 6 inches in length, this specific floor plan features two slide-outs to optimize interior living space and an efficiently organized rear queen bedroom layout.

Key Technical Specifications

• Chassis & Engine: Built on a Roadmaster chassis paired with an Allison transmission. The 5.9L Cummins ISB inline-6 diesel engine pushes 300 hp and 600 lb-ft of torque.
• Dimensions: Exterior length is 34' 6" with an exterior height of roughly 11' 9".
• Slide-outs: 2 total slides (typically a driver-side living room/galley slide and a rear bedroom slide to maximize floor space).
• Holding Tanks: Standard setups typically include an 80-gallon fresh water tank, a 52-gallon gray water tank, and a 52-gallon black water tank.

Interior & Living Features

• Kitchen & Bath: Outfitted with premium Corian countertops in both the kitchen and bathroom, alongside solid Corian sinks. Kitchen designs feature raised-panel oak cabinetry and a stainless steel sink/faucet structure.
• Bedroom Layout: Includes a rear queen bed setup, often accompanied by decorative French doors or partition sliders, and ample wardrobe storage.
• Standard Appliance Packages: Usually includes a microwave, dual-door refrigerator, multi-burner cooktop, flat-screen television, and electronic power converters.