2026 Tiffin Phaeton 37BH

Tiffin Phaeton 2026 Class A Motorhome – 37BH Floorplan, Diesel Power

Discover the 2026 Tiffin Phaeton, a premium recreational vehicle built to elevate long-haul travel in a Class A motorhome. This new motorhome sits on the PowerGlide XC raised rail rear-engine diesel chassis and packs a formidable Cummins L9 450 HP diesel engine, delivering confident highway performance and steady power for extended road adventures. With a thoughtfully designed 37BH floorplan and three slideouts, this RV creates generous living space without sacrificing stability or handling on the road.

Key Specifications

• Classification: Motorized RV • Type: Class A • Brand: Tiffin • Model: Phaeton
• Year: 2026 • Floorplan: 37BH • Length: 38 feet 2 inches • Width: 8 feet 5 inches • Height: 13 feet 3 inches
• Engine: Cummins L9 450 HP Diesel • Chassis: PowerGlide XC Raised Rail Rear Engine Diesel Chassis
• Transmission: Allison® 3000 MH 6-speed Automatic • Fuel Type: Diesel
• Slideouts: 3 • Sleeps: 6 • Miles: 649
• Fresh Water Capacity: 100 gallons • Grey Water Capacity: 100 gallons • Black Water Capacity: 55 gallons
• Air Conditioning: 1 × 15,000 BTU unit • GVWR: 40,000 pounds • Hitch Weight: 10,000 pounds
• Weight Notes: New in stock • Stock Number: 15121 • VIN: 4UZACHFEXTCWN6136

Performance and Comfort

Designed for serious travelers, this motorhome blends power with luxury. The Dan A/C system keeps the living space comfortable even in warm climates, while the 450-horsepower diesel powertrain ensures confident towing capability and steady cruising. The Phaeton’s 3 slideouts expand interior living space, making it easy to entertain family and guests or enjoy a quiet retreat after a day on the road. With a generous water system and practical storage, it’s ready for extended trips, camping weekends, or full-time travel.

Why Choose the Phaeton 37BH

• Reliable, high-performance diesel power and a robust chassis for long-term RV adventures.
• Spacious 37BH floorplan with three slides accommodating up to six sleepers.
• Balanced dimensions for comfortable highway handling: 38 feet 2 inches long, 8 feet 5 inches wide, 13 feet 3 inches tall.
• Substantial freshwater and waste capacities support extended stays without frequent stops.
• New in stock with a clean pedigree: stock number 15121, VIN 4UZACHFEXTCWN6136.

Whether you’re planning cross-country explorations or luxury getaways, the Tiffin Phaeton 2026 Class A motorhome delivers an elevated RV experience—combining performance, space, and reliability for true recreational vehicle enthusiasts.