Entegra Coach Cornerstone Motor Home Class A - Diesel

For ultimate power and beauty, set your sights on the Cornerstone Class A diesel motorhome by Entegra Coach. These coaches include modern interior designs, residential furniture and appliances, and state-of-the-art entertainment systems for an all-around luxurious experience.


The Cornerstone is the number one selling coach in the Cummins X 605HP lineup, so come see why! The driver and co-pilot will stay comfortable thanks to the Villa heated and cooled leather seats that includes 6-way power adjustment, recline, and massage functions. You will never have to worry about getting lost since these models include the Xite XSG4 infotainment system with iGO navigation, Bluetooth Sirius XM, and many more functions. Each model features updated decor for 2022 that will make you feel right at home, plus there are seven exterior colors to choose from to customize your coach to your liking. 


Unmatched strength, beautiful interiors, and modern conveniences make the Cornerstone Class A diesel by Entegra Coach a motorhome you don't want to pass up!

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Motor Home Class A - Diesel

  1. Bath and a Half, Outdoor Entertainment
    • Length: 45 ft 5 in
    • Slides: 4
    • Sleeps: 4

    4 Available Now!

  2. Bath and a Half, Outdoor Entertainment
    • Length: 45 ft 5 in
    • Slides: 4
    • Sleeps: 6
  3. Bath and a Half, Outdoor Entertainment
    • Length: 45 ft 5 in
    • Slides: 4
    • Sleeps: 6
  4. Bunkhouse, Bath and a Half
    • Length: 45 ft 5 in
    • Slides: 4
    • Sleeps: 7
  5. Bath and a Half, Outdoor Entertainment
    • Length: 45 ft 5 in
    • Slides: 4
    • Sleeps: 6
  6. Outdoor Entertainment, Rear Bedroom
    • Length: 44 ft 11 in
    • Slides: 4
    • Sleeps: 7

    1 Available Now!

  7. Outdoor Entertainment, Rear Bedroom
    • Length: 44 ft 11 in
    • Slides: 4
    • Sleeps: 4
  8. Outdoor Entertainment, Rear Bedroom
    • Length: 45 ft 5 in
    • Slides: 4
    • Sleeps: 4
Showing 1 - 8 of 8
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Cornerstone Features:

Standard Features (2022)



  • Spartan® K3 raised-rail chassis
  • Cummins® 15 liter X15 turbocharged 605 HP engine 1,950 lb. ft. torque at 1,150 RPM
  • Allison® 4,000 MH 6-speed transmission
  • Side-mounted radiator
  • 210 amp alternator
  • 1,500 watt engine block heater
  • Three-stage engine brake
  • Reyco® Granning®- 20,000 lb. rating
  • Independent front air suspension (IFS)
  • Dana® rear axle- 20,000 lb. rating
  • Reyco® Granning® passive steer tag axle with air dump- 14,000 lb. rating
  • All-wheel ABS disc brakes
  • 4.30 rear axle ratio
  • Michelin® 365/70R 22.5” tires (front) and 315/80R 22.5” tires (rear)
  • Tire pressure monitoring system (TPMS) with temperature monitoring
  • Automatic traction control
  • Equalizer hydraulic automatic coach leveling
  • Valid Truline air leveling system with auxiliary air compressor
  • Bilstein® shocks- 60mm front axle & 46mm rear/tag axles
  • Remote air connection
  • (2) 12V chassis batteries
  • 150 gal. fuel tank(dual fill)
  • 15 gal. DEF tank (dual fill)
  • 55 degree turning radius
  • Spartan® Safehaul tow vehicle air brake system
  • 20,000 lb. hitch with 7/4-pin plug


  • 2" x 4" wood trusses on 16" centers or less filled with bat and Flexfoil insulation then topped with 3/4" 7-ply plywood decking (R-33)
  • X-Bridge™ bracing welded into chassis frame
  • Insulated front and rear caps (R-24) with steel-reinforced front cap and windshield frame
  • 4" arched aluminum trusses filled with bat insulation and reflective Flexfoil® topped with 3/8" plywood decking then one-piece fiberglass
  • Entegra-exclusive Relia-Torque flush-mounted 12V slideout system with VegaTouch and rocker switch controls
  • 2-1/2" exterior walls with Aluma-Tru™ welded tubular aluminum studs on 16" centers or less filled with bat and Flexfoil insulation then covered with high-gloss gelcoat

Heat, AC, Water & Power

  • Onan® 12,500-watt diesel generator, with automatic start, on powered slide-out tray
  • (4) L16 AGM batteries (6V/390 amp hrs. ea.)
  • 50-amp power cord on electric powered reel
  • Smart automatic transfer switch with surge protection
  • (3) 15,000-BTU A/C units with heat pumps and condensation drain system
  • Aqua-Hot® 450D hydronic water and heating system with in-floor heat throughout and engine preheat
  • Sani-Con® Macerator holding tank dump system with power gate valves, manual backup and metal door
  • Black holding tank sprayer
  • City and tank water filtration system
  • Winterizing drain system
  • Trutank™ ultrasonic tank monitoring system displayed on VegaTouch screen
  • Water hose with electric reel
  • 3,000-watt pure sine wave inverter
  • Aqua-Hot® heated basement storage


  • Executive Bus Armor 10” stainless steel trim
  • Power rear engine door with manual override
  • Dual roof-mounted Girard® Vision dual pitched patio awnings with LED lights
  • Girard® power entrance door awning with LED lights
  • Girard® Ultra slideout awnings
  • Girard® Ultra window awnings
  • Frameless, dual-pane, tinted, safety-glass windows
  • Lit grab handle with keypad system for keyless entry
  • 43” Samsung®  QLED 4K UHD Smart TV with tilt, swivel, and extend adjustment, JBL radio and speaker with USB port and receptacle
  • Chrome, heated, remote control, Ramco side-view mirrors with integrated cameras and blind-spot indicators
  • Diamond Shield™ front protective film mask
  • LED high/low beam headlights and fog lights 
  • Daytime running lights
  • LED accent lights under passenger slideout rooms
  • LED marker lights, turn lights, license plate light, accent lights, & docking lights
  • LED lit chrome clearance accent light
  • Full-width rear mudflap, with chrome “Cornerstone” nameplate
  • Winegard® TRAV'LER satellite dish DIRECTV®- standard with USA option
  • Winegard® TRAV'LER satellite dish Shaw TV- standard with CSA option
  • Winegard® Rayzar automatic powered TV antenna
  • Winegard® WIFI extender with 4G/LTE
  • Heated exterior utility center with 5" LED Firefly® tank monitoring panel
  • 2) Power slideout basement storage trays; Push-button power-unlatching baggage doors with LED indicator light
  • 2.8-cu. ft. exterior Dometic® refrigerator/freezer on slideout tray
  • Sikkens custom full-body paint
  • Removable screen on entry door


  • Valid 15" digital dash with quad core graphics processor, on-board diagnostics, selector knob and ability to display traditional instrument cluster, 360° camera system or GPS navigation
  • Xite™ 360° HD digital camera system
  • Xite™ XSG4 infotainment system with dual 9" touchscreens, iGO navigation, Bluetooth®, Sirius XM™ and AM/FM tuner, integrated camera control, house mode whole-coach audio distribution and integrated VegaTouch coach control
  • E-Z Steer™ adjustable power steering assist
  • Power tilt and telescoping steering column
  • Steering wheel with integrated controls for cruise, wipers, radio and Bluetooth® phone functionality
  • JBL® premium audio 11-speaker sound system with amplifier, speakers and DVC subwoofer
  • Ultra-Vision® one-piece wrap-around tinted windshield
  • Villa® heated and cooled leather driver and passenger seats with powered 6-way adjustment, lumbar, recline, footrest and massage functions
  • Powered driver's window; (2) dual USB ports and (2) 12V sockets for charging
  • Powered flush stepwell cover
  • Powered adjustable brake and accelerator pedals
  • Powered front sun visors and privacy shades


  • LED-lit fireplace with 5,000-BTU heating element (45B, 45Z)
  • 32" Samsung® QLED 4K UHD Smart TV in front overhead
  • Firefly multiplex system with 10” VegaTouch touchscreen for complete integration of coach controls, with remote monitoring and control (mobile app available)
  • 50” Samsung® QLED 4K UHD Smart TV
  • Bose® sound bar with subwoofer and universal remote control
  • Sony® Blu-ray™ player
  • Premium leather Villa® furniture
  • Hand-laid porcelain tiled floors
  • LED interior lighting
  • Decorative ceiling feature with integrated accent lighting
  • Powered solar day and blackout night shades
  • Central vacuum system
  • Aire-Secure™ travel locks for all pocket doors
  • Bar area with beverage chiller and rain glass upper cabinet door with LED accent lighting (45R only)
  • Whirlpool® stacked washer and dryer


  • Whirlpool® stainless steel residential refrigerator with ice maker and water dispenser
  • Induction cooktop with matching wood cover
  • Whirlpool®  1.9 cu. ft. convection microwave oven
  • Fisher and Paykel Dishwasher
  • Porcelain tile backsplash
  • Solid-surface countertops with dimmable LED accent lighting
  • Blanco single bowl granite sink
  • Maxxair® power vent exhaust fan with intake
  • Large deep drawer for waste basket with easy access trash chute (trash chute not available in 45F, 45R)
  • Slide out storage tray(s) in overhead cabinet


  • Select Comfort® Sleep Number® king-sized mattress
  • 32” Samsung® QLED 4K UHD Smart TV
  • Sony® Blu-Ray® player
  • Bose® sound bar with universal remote control
  • Ceiling fan
  • Nightstands with solid-surface tops
  • Large cedar-lined wardrobe 


  • Solid-surface countertops with dimmable LED accent lighting
  • Integrated glass sin
  • Porcelain tile shower walls and floor with skylight and frameless glass shower door
  • Teakwood shower seat (not available in 45F)
  • Pivoting shower head and separate hand-held spray wand
  • Aqua View Showermiser water saving system
  • SaniFlo macerator toilet in main bath (N/A on 45X, 45Y, 45Z)
  • Thetford macerator toilet in main bath (N/A 45Z)
  • Maxxair® Deluxe power exhaust vent fan with intake


  • Collision avoidance system with collision warning and adaptive cruise control
  • Blind spot monitoring system displayed on digital dash screen
  • Carbon monoxide detector
  • Porch light and motion sensor security lights
  • Security system with glass shatter sensors
  • Smoke alarm
  • Security Safe


  • Canadian Standards- CSA
  • Theater seating with power recliners and fixed console
  • 100" power reclining sofa
  • Fireplace/TV/entertainment center and work station ILO sofa
  • Winegard In-Motion satellite dome
  • Winegard TRAV'LER Dish Network
  • Dual 100 watt solar panels
  • Leather booth dinette

Please see us for a complete list of features and available options!

All standard features and specifications are subject to change.

All warranty info is typically reserved for new units and is subject to specific terms and conditions. See us for more details.





In the spring of 2008, Entegra Coach became a member of the Jayco family of companies. Ever since, we've taken great pride in the details—and each luxury motorhome we build embodies that principle.


We started building luxury motorcoaches one at a time—with a superior foundation, unrelenting attention to detail and old-world craftsmanship, unmatched engineering innovation, rock-solid construction and a ride that's as smooth and quiet as it is invigorating and well-appointed.


In 2018, our pursuit of the superior luxury motorhome expanded beyond diesel Class A coaches to gas Class As and Class Cs. By building on experience and listening to customers, we're making the Entegra Coach luxury experience a reality for more travelers than ever. As always, we back each coach with personalized customer service and coverage that is unmatched in the industry.


So from the moment you drive off the lot, you're not only an owner—you're a member of the family