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OVERVIEW
Product Overview
Experience the 2015 Tiffin Phaeton 42LH, a luxury Class A diesel pusher motorhome built for travelers who want comfort, power, and style on the open road. Riding on a reliable Freightliner XC chassis and powered by a Cummins 8.9L diesel engine with 450 horsepower and 1,250 lb-ft of torque, this motorhome delivers smooth performance with a six-speed Allison automatic transmission. Measuring 42 feet long, the Phaeton 42LH features four power slideouts and a large awning, creating expansive living space indoors and out.
Inside, this Tiffin luxury motorhome feels like a residential retreat. The cockpit includes ultra-leather captain’s chairs, a multi-view monitor system, and easy-to-read instrumentation for confident driving. The living room opens up with dual slideouts, offering a spacious lounge with a sofa, U-shaped dinette, leather recliner seating, and optional fireplace below the entertainment center. The fully equipped kitchen provides stainless steel appliances, a residential refrigerator, three-burner cooktop, convection microwave, solid-surface countertops, and Tiffin’s signature “expand-an-island” design for extra prep space.
The 2015 Tiffin Phaeton 42LH also offers the convenience of two bathrooms: a mid-coach half bath and a luxurious rear full bath with corner shower, vanity, linen storage, and an optional washer/dryer. The master suite includes a queen bed (with king upgrade option), dual nightstands, overhead storage, and an additional entertainment center. Handcrafted hardwood cabinetry, energy-efficient LED lighting, stain-resistant fabrics, and abundant storage throughout complete the package, highlighting the craftsmanship Tiffin is known for.
If you’re looking for a used Tiffin Phaeton for sale that combines powerful diesel performance with luxury features, the 2015 Phaeton 42LH is a top choice. This Class A diesel motorhome offers space, amenities, and reliability perfect for full-time RV living or long-distance adventures.
FLOOR PLAN

SPECIFICATIONS
FEATURES
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Freightliner raised-rail chassis with air-ride suspension
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Cummins ISL 450 HP diesel engine
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Allison 3000 MH 6-speed automatic transmission
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101″ wide-body construction
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Full-body gel-coat fiberglass exterior walls
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One-piece molded fiberglass roof cap
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Porcelain tile flooring throughout
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7′ ceiling height in living area
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Handcrafted hardwood cabinetry
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Solid-surface countertops
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Expand-an-island kitchen design
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Residential-style stainless-steel appliances
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Ultra Leather captain’s chairs with power adjustments
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Adjustable pedals and mirrors
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High-definition rear and side camera system
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Dual-pane windows with solar and privacy shades
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LED lighting throughout
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Four power slide-outs
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Bath and a half floorplan
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Residential refrigerator
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3-burner cooktop with convection microwave
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Washer/dryer prep
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Central vacuum system
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Fireplace and entertainment center
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King bed with memory-foam mattress
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Heated and enclosed basement storage
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50-amp electrical service
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Three 15,000 BTU low-profile A/C units
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Dual furnace system
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Aqua-Hot hydronic heating system
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10-gallon gas/electric water heater
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Alcoa aluminum wheels
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Automatic hydraulic leveling jacks
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100-gallon fuel tank
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10,000 lb towing capacity
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10-year limited structural warranty
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Multiple cabinetry finishes: Alderwood, Chestnut, Cordovan
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Day/night roller shades
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Power solar and privacy cockpit shades
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Full-body paint with front protective film
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Power awnings over patio and entry door






























