PRIVATE SALE — THIS IS NOT A DEALER

2005 Newmar Kountry Star 3355 DP — Diesel Pusher

This is a low mileage diesel pusher motorhome. The Newmar Kountry Star has low miles with only 40,582 miles on the odometer. Low mileage diesel pusher motorhomes are highly desirable. This diesel motorhome with 40,000 miles is in excellent condition with significant remaining engine life.

Mesa, Arizona

Listed March 12, 2026

Selling Price

$44,900

USD

Year

2005

Odometer

40,582mi

Engine

300 HP Diesel

Chassis

Freightliner

About This Motorhome

This 2005 Newmar Kountry Star 3355 DP Diesel represents an exceptional opportunity for the discerning RV enthusiast. As a premium diesel pusher motorhome, it delivers superior performance, comfort, and reliability for extended travel adventures.

The coach features a spacious and thoughtfully designed interior with quality wood cabinetry throughout, creating a warm and inviting atmosphere. The 3355 model is renowned for its excellent use of space, offering a rear bedroom, full bathroom, efficient kitchen, comfortable dinette, and expansive living area with front captain chairs—making it ideal for couples and small families.

This particular coach has been meticulously maintained by its owner and has recently undergone major upgrades including a complete roof replacement (2022), both air conditioning and heating systems replaced (2022), all batteries replaced (2025), and a new set of six tires (2023). These significant capital improvements provide immediate peace of mind and eliminate major future maintenance concerns.

Whether you're planning snowbirding adventures, extended cross-country travel, or seasonal living arrangements, this Kountry Star 3355 DP Diesel is travel-ready and equipped with everything needed for comfortable, worry-free journeys.

Major Upgrades & Maintenance

Significant capital improvements ensure this coach is ready for years of trouble-free operation.

Full Roof Replacement

Complete roof replacement following hail damage claim. Factory-standard materials and installation.

2022

Both Air Conditioners & Heat Pumps

Dual roof-mounted AC units and heat pump systems replaced for maximum comfort and efficiency.

2022

Thermostat Upgrade

Thermostat upgraded when the AC and Heat pumps were replaced.

2022

All Batteries Replaced

Complete battery bank replacement. Ready for extended off-grid use with fresh power system.

2025

New Tires (x6)

Full set of six new tires installed. Approximately 12,000 miles of use with excellent remaining tread life.

2023

Full Specifications

Make

Newmar Kountry Star

Year

2005

Model

3355 DP Diesel

Mileage

40,582 Miles

Chassis

Freightliner

Engine

300 HP Diesel Engine

Axle Ratio

4.78

Fuel Capacity

100 Gallons (378 Liters)

Generator

7500 Watt Guardian Generator Diesel

Grey Tank

65 Gallons (246 Liters)

Black Tank / Sewer

45 Gallons (170 Liters)

Fresh Water Tank

105 Gallons (397 Liters)

LP Tank (Propane)

32 Gallons (121 Liters)

Furnace

3500 BTU

Hot Water Heater

10 Gallon Dual (Electric & Propane)

Floorplan & Layout

The Kountry Star 3355 DP features an expertly designed layout optimized for comfort and functionality.

KSDP 3355 Floor Plan

Layout Highlights

  • Front Captain Chairs: Comfortable seating with excellent visibility
  • Living Area Sofa: Spacious dinette and sofa combination
  • Full Kitchen: Modern appliances and ample counter space
  • Master Bedroom: Rear bedroom with queen-size bed
  • Full Bathroom: Shower, toilet, and sink with storage

Design Features

  • Quality Wood Cabinetry: Premium oak throughout
  • Large Windows: Abundant natural light and views
  • Storage Solutions: Thoughtfully designed closets and cabinets
  • Spacious Galley: Professional-quality kitchen setup
  • Open Flow: Efficient layout maximizes space

Why Choose This Motorhome

A premium combination of comfort, reliability, and travel-ready features

Diesel Pusher

Powerful 300 HP diesel engine provides excellent fuel efficiency and reliability for long-distance travel

Spacious Interior

Thoughtfully designed layout maximizes livable space with comfortable areas for relaxing and entertaining

Quality Cabinetry

Premium wood cabinetry throughout creates an elegant, warm, and durable living environment

Generator Power

7500W diesel generator provides independent power for boondocking and off-grid adventures

Large Holding Tanks

Generous 105-gallon fresh water and 65-gallon grey tank support extended stays away from hookups

Dual Hot Water

10-gallon hot water heater with both electric and propane options for flexibility and reliability

Travel Ready

Recently upgraded systems and comprehensive maintenance ensure immediate readiness for any adventure

Long-Trip Comfort

Comfortable sleeping quarters and full facilities make extended journeys enjoyable and convenient

View Photo Gallery

Explore 20+ photos of the motorhome's exterior, interior, and features.

Interested?

Contact the seller directly to schedule a viewing.

Serious inquiries only. Service records available upon request.

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This 2005 Newmar Kountry Star 3355 diesel pusher motorhome is located in Mesa Arizona and is available for private sale. This well-maintained diesel pusher features a Freightliner chassis with a powerful 300 HP diesel engine. The motorhome has only 40,582 miles and comes with dual slide-outs for maximum interior space. Buyers searching for diesel motorhomes, Class A RVs, Newmar motorhomes in Arizona, used diesel RVs, and motorhomes for sale in Mesa Arizona will find this listing ideal. The Kountry Star 3355 DP is a premium diesel pusher RV with exceptional build quality and comfort features. This is not a dealer listing - it's a private sale by the owner. For anyone looking to buy a used diesel motorhome or Class A RV in Arizona, this Newmar is an excellent choice.