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Sewell Motorcoach

2026 Tiffin Phaeton 40IH

2026 Tiffin 2026 Tiffin Phaeton - image 1
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2026 Tiffin Phaeton 40IH floorplan

Complete Class A Specifications

2026 Tiffin Phaeton Overview

Come see us at Sewell Motor Coach for this 2026 Tiffin Phaeton 40IH. We want to show you that buying your dream RV doesn't have to be stressful or hard. We won't just flip you the keys and wish you the best of luck. We want you to learn how to use your new RV, so you can go out and have the most fun in your new lifestyle. Weve got you covered from beginning to end on any purchase. From application, to financing. From learning your new RV, to spending your first night and getting familiar with all the buttons, we will be with you every step of the way. Our Pre Delivery Inspection is second to none. We go over and touch every single piece of your RV. You are important to us and we want this experience to be the beginning of a lifestyle you've dreamed of.. The stunning Phaeton 40IH is available now. If you re ready to elevate your travel experience, call us at 859-734-5566 (we love emails, too!) to learn more..

Experience first-class luxury wherever the road takes you in the 2026 Tiffin Phaeton 40IH. Built on Tiffin's renowned PowerGlide® chassis and powered by a 450 HP Cummins® L9 diesel engine delivering 1,250 lb-ft of torque, the Phaeton 40IH combines exceptional performance, premium craftsmanship, and residential comfort in a coach designed for discerning travelers.

Step inside and discover a spacious, flat-floor interior enhanced by heated porcelain tile flooring, handcrafted hardwood cabinetry, and four expansive slide-outs that create an open, luxurious living environment. The thoughtfully designed floorplan features a bath-and-a-half layout, a king-size bed suite, dual-sink rear bathroom, residential-style kitchen, and abundant storage throughout.

The gourmet kitchen is equipped with a residential French-door refrigerator, convection microwave with air fryer, solid-surface countertops, and ample prep space, making every meal feel like home. Relax in the elegant living area with premium seating, multiple entertainment options, and an exterior TV for enjoying the outdoors in style.

Engineered for confidence on the road, the Phaeton 40IH features independent front suspension, adaptive cruise control, collision mitigation technology, electronic stability control, and a full air-brake system. Its 100-gallon fuel capacity, generous basement storage, and 10,000-pound towing capability make it ideal for extended adventures and full-time luxury travel.

With its seamless blend of power, innovation, and residential elegance, the 2026 Tiffin Phaeton 40IH sets the standard for luxury diesel motorhome travel—delivering comfort, confidence, and unforgettable memories with every mile.

Key Highlights

  • 41' 4" Class A Diesel Motorhome

  • Cummins® L9 450 HP diesel engine

  • PowerGlide® raised-rail chassis

  • Four slide-outs

  • Bath-and-a-half floorplan

  • King-bed master suite

  • Heated porcelain tile flooring

  • Residential kitchen with air fryer microwave

  • 100-gallon fuel tank

  • 10,000-lb towing capacity

  • Up to 232 cu. ft. of basement storage

  • Advanced safety and driver-assistance technologies

Premium Features & Highlights

Sleeps up to 8 for family trips
Residential Refrigerator for home-like convenience
Solar Equipped for off-grid adventures
Two bathrooms for added convenience
Four slide-outs for spacious living
Select a category to view specs

Overview

Vehicle Identification & Details

9 specifications available

Category
Class A
Condition
new
Floorplan
40IH
Make
Tiffin
Model
Phaeton
Stock Number
D3466
Subcategory
diesel
VIN
4UZACHFE6TCWX1037
Year
2026

Size & Weight

Dimensions, Weight, Construction & Exterior

9 specifications available

Dry Weight
35,635 lbs
GVWR
40,000 lbs
Length
41 ft
Width
8.4 ft
Awnings Count
0
Chassis
Freightliner Xc-R Raised Rail Rear Engine Motor Home Chassis
Has Auto Leveling
Yes
Has Power Slideouts
Yes
Slides
4

Sleeping & Layout

Beds, Layout, Living & Comfort

6 specifications available

Bedroom Count
1
Bunk Beds Count
0
King Beds Count
1
Private Bedroom
Yes
Queen Beds Count
0
Sleeps
4

Kitchen & Dining

Cooking, Dining & Appliances

1 specifications available

Refrigerator Type
Residential

Bathroom & Facilities

Comfort & Privacy

2 specifications available

Bathrooms Count
2
Shower Type
Standard

Water Systems

Tanks & Plumbing

2 specifications available

Black Water Capacity
55 gal
Fresh Water Capacity
100 gal

Power & Electrical

Electrical, Entertainment & Safety

2 specifications available

Solar Equipped
Yes
Cruise Control
Yes

Climate Control

Heating & Cooling

3 specifications available

Ac Btu
45,000 BTU
Air Conditioning
Yes
Heater Btu
60,000 BTU

* Vehicle specifications listed to the best of our knowledge. All specifications, features, and information are provided by the manufacturer. Sewell Motorcoach is not responsible for manufacturer defects, specification changes, or recalls. Buyers should verify all information directly with Sewell Motorcoach.

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Built to Last

Superior construction for years of adventures
Engine

450 HP Diesel Engine

Powerful performance for effortless driving on any terrain.

Plumbing

100-Gallon Fresh Water Capacity

Extended off-grid capability for longer trips.

Plumbing

55-Gallon Black Water Capacity

Efficient waste management for extended travel.

Ready for Your Next Adventure?

Experience the freedom of the open road with your next RV adventure

Payment Calculator

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from $3,090/mo
Estimated • 20% down

Schedule Tour

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Showroom Hours
Mon-Fri: 9AM-6PM
2118 Danville Rd. Harrodsburg, KY 40330

Trade-In Value

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Trade Evaluation

Dealer assessment

Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. We are not responsible for any misprints, typos, or errors found in our website pages. Any price listed excludes sales tax, registration tags, and delivery fees. Manufacturer pictures, specifications, and features may be used in place of actual units on our lot. Please contact us for availability as our inventory changes rapidly. All calculated payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available.
$431,445
est $3,093/mo