THE QUIETEST RIDING, BEST HANDLING COACH ON THE MARKET TODAY. PERIOD.
2018 Cornerstone
ULTIMATE LUXURY
You deserve the ultimate luxury—and that’s exactly what the Cornerstone delivers. With power, opulence and new features such as passive tag axle steering, Collision Mitigation, and electronic stability control, you’ll quickly see how it’s easy to revel in luxury in this motorcoach.
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Floorplans
Ward = wardrobe
Lav = bathroom sink
Med = medicine cabinet
Ohc = overhead cabinets
Fridge = refrigerator
Micro = microwave
2018 Cornerstone|45A
Specs
| Gross Vehicle Weight Rating (lbs) | 54,000 |
| Gross Combined Weight Rating (lbs) | 74,000 |
| Front Gross Axle Weight Rating (lbs) | 20,000 |
| Rear Gross Axle Weight Rating (lbs) | 20,000 |
| Tag Axle Gross Weight Rating (lbs) | 14,000 |
| Wheel Base | 320" |
| Exterior Length | 44' 11" |
| Exterior Width | 101" |
| Exterior Height with A/C and Satellite | 12' 11" |
| Interior Height | 84" |
| Fresh Water Capacity (gals) | 100 |
| Grey Waste Water Capacity (gals) | 62 |
| Black Waste Water (gals) | 41 |
| Fuel Tank Capacity (gals) | 150 |
2018 Cornerstone|45B
Specs
| Gross Vehicle Weight Rating (lbs) | 54,000 |
| Gross Combined Weight Rating (lbs) | 74,000 |
| Front Gross Axle Weight Rating (lbs) | 20,000 |
| Rear Gross Axle Weight Rating (lbs) | 20,000 |
| Tag Axle Gross Weight Rating (lbs) | 14,000 |
| Exterior Length | 44' 11" |
| Exterior Width | 101" |
| Exterior Height with A/C and Satellite | 12' 11" |
| Interior Height | 84" |
| Fresh Water Capacity (gals) | 100 |
| Grey Waste Water Capacity (gals) | 62 |
| Black Waste Water (gals) | 41 |
| Fuel Tank Capacity (gals) | 150 |
| Wheel Base | 320" |
2018 Cornerstone|45F
Specs
| Gross Vehicle Weight Rating (lbs) | 54,000 |
| Gross Combined Weight Rating (lbs) | 74,000 |
| Front Gross Axle Weight Rating (lbs) | 20,000 |
| Rear Gross Axle Weight Rating (lbs) | 20,000 |
| Tag Axle Gross Weight Rating (lbs) | 14,000 |
| Exterior Length | 44' 11" |
| Exterior Width | 101" |
| Exterior Height with A/C and Satellite | 12' 11" |
| Interior Height | 84" |
| Fresh Water Capacity (gals) | 100 |
| Grey Waste Water Capacity (gals) | 62 |
| Black Waste Water (gals) | 41 |
| Fuel Tank Capacity (gals) | 150 |
| Wheel Base | 320" |
2018 Cornerstone|45W
Specs
| Gross Vehicle Weight Rating (lbs) | 54,000 |
| Gross Combined Weight Rating (lbs) | 74,000 |
| Front Gross Axle Weight Rating (lbs) | 20,000 |
| Rear Gross Axle Weight Rating (lbs) | 20,000 |
| Tag Axle Gross Weight Rating (lbs) | 14,000 |
| Exterior Length | 44' 11" |
| Exterior Width | 101" |
| Exterior Height with A/C and Satellite | 12' 11" |
| Interior Height | 84" |
| Fresh Water Capacity (gals) | 100 |
| Grey Waste Water Capacity (gals) | 62 |
| Black Waste Water (gals) | 41 |
| Fuel Tank Capacity (gals) | 150 |
| Wheel Base | 320" |
2018 Cornerstone|45X
Specs
| Gross Vehicle Weight Rating (lbs) | 54,000 |
| Gross Combined Weight Rating (lbs) | 74,000 |
| Front Gross Axle Weight Rating (lbs) | 20,000 |
| Rear Gross Axle Weight Rating (lbs) | 20,000 |
| Tag Axle Gross Weight Rating (lbs) | 14,000 |
| Exterior Length | 44' 11" |
| Exterior Width | 101" |
| Exterior Height with A/C and Satellite | 12' 11" |
| Interior Height | 84" |
| Fresh Water Capacity (gals) | 100 |
| Grey Waste Water Capacity (gals) | 62 |
| Black Waste Water (gals) | 41 |
| Fuel Tank Capacity (gals) | 150 |
| Wheel Base | 320" |
2018 Cornerstone|45Y
Specs
| Gross Vehicle Weight Rating (lbs) | 54,000 |
| Gross Combined Weight Rating (lbs) | 74,000 |
| Front Gross Axle Weight Rating (lbs) | 20,000 |
| Rear Gross Axle Weight Rating (lbs) | 20,000 |
| Tag Axle Gross Weight Rating (lbs) | 14,000 |
| Exterior Length | 44' 11" |
| Exterior Width | 101" |
| Exterior Height with A/C and Satellite | 12' 11" |
| Interior Height | 84" |
| Fresh Water Capacity (gals) | 100 |
| Grey Waste Water Capacity (gals) | 62 |
| Black Waste Water (gals) | 41 |
| Fuel Tank Capacity (gals) | 150 |
| Wheel Base | 320" |
All Floorplans
2018 Cornerstone | 45A
2018 Cornerstone | 45B
2018 Cornerstone | 45F
2018 Cornerstone | 45W
2018 Cornerstone | 45X
2018 Cornerstone | 45Y
360°
Exterior Graphics
Standards & Options
Chassis
| Chassis | Spartan K3 raised rail chassis |
| Engine | Cummins 15 liter ISX turbocharged 605HP engine 1,950 lb. ft. torque at 1,200 RPM |
| Transmission | Allison 4000 MH 6-speed transmission |
| Engine Block Heater | 1,500 watt engine block heater |
| Front Suspension | Reyco Granning IFS independent front air suspension |
| Front Axle | Reyco Granning IFS independent 20,000 lb front axle and air suspension |
| Rear Axle | Dana rear axle 20,000-lb., tag axle 14,000-lb. |
| Rear Axle Ratio | 4.30 rear axle ratio |
| Hitch | 20,000-lb. hitch with 7/4-pin plug |
| Leveling System | Hadley air leveling system |
| Radiator | Side-mounted radiator |
| Braking System | All-wheel ABS disc brakes |
| Engine Brake | Three-stage engine brake |
| Traction Control | Automatic traction control |
| Shocks | Bilstein shocks - 60MM front & 46MM on rear/tag |
| Fuel Tank | 150-gal. fuel tank (dual fill) |
| DEF Tank | Dual DEF fill 15 gallon |
| Tires | Michelin 365/70R 22.5" tires (front) and 315/80R 22.5" tires (rear) |
| Turning Radius | 55-degree turning radius |
| Chassis Battery | Chassis batteries (2) 12 volt |
| Alternator | 210-amp alternator |
| Air Connection | Remote air connection |
| Rear Suspension | Reyco Granning rear suspension |
| Tag Axle | Tag axle air dump & Reyco Granning Passive Steer Tag Axle |
Construction
| Frame | X-Bridge frames welded into chassis frame |
| Underbelly | Enclosed, insulated and heated floor and thermostat controlled heating in storage area |
| Insulation | Insulation with reflective Flexfoil floor (R-33), roof (R-24), sidewalls (R-16), front and rear caps (R-22) |
| Floor | 2" x 4" floor truss construction |
| Floor Decking | 3/4" 7-ply plywood main floor decking |
| Walls | Aluma-Tru Superstructure construction on 12"-16" centers |
| Slideouts | Flush-mounted electric-powered slideout rooms with VegaTouch control |
| Roof | One-piece fiberglass roof with 3/8" plywood decking and 4" arched aluminum roof truss |
Heat, AC, Water & Power
| Propane | All electric coach |
| Heating System | Aqua-Hot 450 diesel hydronic water and heating system with in-floor heat throughout |
| Air Conditioning | 15,000-BTU low profile A/Cs (3) with heat pumps and roof to ground condensation drain tubes |
| Electrical Hookup | 50-amp power cord with electric reel |
| Generator | Onan 12,500-watt diesel generator with auto gen start, on powered slide-out tray |
| Inverter | (2) 3,000 watt pure sine wave inverter |
| Batteries | L16 AGM batteries (4), (6v/390 amp hrs. ea.) |
| Power Management | Premium surge protector transfer switch |
| Water Hose w/ Electric Reel | Water hose with electric reel |
| Tank Flush | Black holding tank sprayer |
| Black Tank Management | Thetford macerator holding tank dump system with electric gate valves, & manual back-up system |
| Water Monitoring | SeeLevel tank monitoring system |
| Water Filtration | City and tank water filtration system |
| Winterization Drain System | Winterizing drain system |
| Tank Vents | 360 Siphon tank vent(s) |
Exterior
| Exterior Walls | 2-1/2" exterior wall with welded tubular aluminum construction and high-gloss, gel-coat fiberglass |
| Front/Rear Cap | Steel-reinforced front cap and windshield frame |
| Exterior | 3M front protective film mask |
| Headlights | LED high and low beam headlights |
| Fog Lights | LED fog lights |
| Daytime Running Lights | Daytime running lights |
| LED Lights | LED marker and turn lights the full length of the coach |
| Docking Lights | LED docking lights |
| Accent Lights | LED accent lights on underside of slideout rooms curbside |
| Third Brake Light | Third Brake Light |
| Keypad | Lighted grab handle with keypad system |
| Keyless Fob | Keyless entry with key fob |
| Entrance Steps | Deluxe concealed entry step / Lighted Entegra step |
| Entrance Door | Aire-Secure travel locks for all pocket doors |
| Door Awning | Girard power entrance door awning with LED lights |
| Window Awnings | Girard Ultra window shade and slide-out awnings |
| Patio Awnings | Roof mounted Girard Vision dual pitched patio awnings with LED lights |
| Mirrors | Chrome, heated, remote control, side-view mirrows with blind-spot indicators |
| Windows | Frameless, tinted, dual-pane, safety-glass windows |
| Entertainment | Exterior 40" Samsung LED HDTV on TV bracket with extend, tilt and swivel arm with Samsung sound bar |
| Utility Center | Exterior utility center, heated and enclosed with system monitor panel |
| Cargo Features | Powered slideout cargo trays (2) |
| Satellite Dish | Winegard in-motion satellite dome with prep for Trav'ler satellite dish |
| TV Antenna | Winegard Rayzar automatic powered TV antenna |
| Engine Door | Power engine door |
| Rear Mudflap | Full-width rear mudflap, with chrome "Cornerstone" nameplate |
| Lights | Motion sensor security lights (2) |
Cockpit
| Flooring | Powered flush stepwell cover |
| Visors & Privacy Shade | Powered front sun visors and privacy shade |
| Windshield | Ultra-Vision one-piece wrap-around tinted windshield |
| Driver / Passenger Seats | Air cooled, 6-way power, lumbar, heated, leather driver and passenger seats with integrated 3-point safety belts |
| Steering Wheel | VIP, wood-grain, leather-wrapped, tilt and telescoping steering wheel with integrated controls for radio, cruise, and wipers |
| Monitoring System(s) | Spartan Message Center with LCD display featuring: odometer, tachometer, fuel economy, fuel remaining, outside air temp., coolant temp., engine oil temp. and pressure, transmission temp., turbo boost pressure, air pressure, trip meter, speed and voltage |
| Infotainment System(s) | All-glass paneled, dual 9" capacitive touchscreen in-dash infotainment center with Rand McNally RV navigation, Bluetooth, Sirius XM, AM/FM tuner, integrated camera control, house mode whole coach audio distribution, and integrated VegaTouch coach control |
| Sound System | JBL premium audio sound system with speakers, amplifier, and subwoofer |
| Leveling System | Automatic hydraulic leveling jack system |
| Power Features | Battery boost system |
| Pedals | Powered adjustable foot pedals |
| Cameras | Color "Total Vision" rear camera and digital side cameras |
| Additional Amenities | Chrome, LED lit cupholders and three dual USB ports |
| Trip Management System | |
| Collision Mitigation | En-telligent Collision Mitigation System equipped with Collision Warning System, Adaptive Cruise Control, Collision Mitigation System, & Electronic Stability Control |
| Blind Spot Monitoring | En-telligent Blind Spot Monitoring System, tuned to detect objects within the lane of traffic on either side of the vehicle |
Interior
| Lighting System | VegaTouch pad system, for complete integration of coach controls |
| Lighting | LED recessed 12V lighting |
| Flooring | High Gloss 12" x 24" porcelain tile with granite inlay design |
| Window Treatments | Powered solar day and black out night shades |
| Television - Living Room | Samsung 50" 4K UHDTV |
| Television - Front Overhead | Samsung 32" LED HDTV |
| Sound - Living Room | Bose SoundTouch 300 sound system |
| DVD Systems | Blu-ray players in living area & bedroom |
| Furniture | Leather hide-a-bed(s) (N/A in 45B and 45Y) |
| Washer/Dryer | Stacked washer and dryer |
| Central Vacuuming System | Central vacuum system |
| Additional Storage | In-step storage with pull-out tray |
| Electric Fireplace | LED lit 1,400 watt electric fireplace standard (45B, 45Y) Optional with desk and TV lift option (45A, 45X) |
Kitchen
| Countertops | LED lit quartz countertops with integrated stainless steel sink |
| Cabinet Extension | Pullout countertop extension with drawers |
| Cutting Board | Cutting board |
| Silverware Drawer | Silverware drawer |
| Waste Basket | Large deep drawer with waste basket |
| Dishwasher | Dishwasher with wood raised panel door front |
| Cooktop | RV Chef Collection Furrion induction cooktop |
| Microwave | Whirlpool Gold 1.9 cu. ft. convection microwave oven |
| Refrigerator | Whirlpool residential refrigerator with ice maker and water dispenser |
| Backsplash | Porcelain tile backsplash with glass design inlays and a ceramic border |
Bedroom
| Television | Samsung 32" LED HDTV |
| Sound | Samsung sound bar |
| Bed | Select Comfort Sleep Number king size mattress |
| Ceiling Fan | Ceiling fan |
| Wardrobe | Spacious cedar-lined wardrobe |
Bathroom
| Countertop(s) | LED lit quartz countertop(s) with integrated sink(s) |
| Toilet | Thetford Tecma china toilets with push button flush (45A, 45F, 45W) / Thetford china toilets with push button flush and Tecma in master bath, and Aria in stool room (45B) / Thetford Aria china toilet with push button flush (45X, 45Y) |
| Shower Door | Frameless clear glass shower door |
| Shower | Porcelain tiled shower walls and floor with skylight |
| Vent | Power vent and skylight |
Safety
| Security System | Security system with glass shatter sensors |
| Smoke Alarm | Smoke alarm |
| Carbon Monoxide Detector | Carbon monoxide alarm |
| Propane Alarm | |
| Security Safe | Security safe |
Options
| Canadian Standards | Optional |
| Fireplace | LED lit 1,400 watt electric fireplace standard (45B, 45Y) |
| Dishwasher Drawer | Standard |
| Dinette | Leather dinette booth (45A, 45B, 45F, 45W, and 45Y) |
| Dinette Option 2 | Dinette Booth (45X) |
| Freestanding Table | Freestanding table with 4 chairs (45A, 45B, 45F, 45W, and 45Y) |
| Freestanding Table Option 2 | Freestanding table with 4 chairs, hide-a-bed, and curbside sofa (45X) |
| Satellite Dish - US | Winegard Trav'ler satellite dish - DIRECTV |
| Satellite Dish - CA | Winegard Trav'ler satellite dish - Shaw Direct |
| Solar | Solar panels (Dual-100 watt) with Morningstar SunSaver Duo solar panel charge controller |
| Freezer | Exterior Freezer |
| Theater Seating | Theater seating with power recliners and fixed center console |
| Desk | Desk with 50" TV lift, fireplace, and hide-a-bed (45A and 45X) |
| WiFi Extender Antenna | WiFi Extender Antenna (4G LTE) |
| Front Overhead TV | Standard |
| Central Vacuum System | Standard |
Décor Options
Wood Options
Entegra Coach peace of mind
2-year warranty and 3-year roadside assistance
At Entegra Coach, excellence doesn’t end with our stunning interiors and superior craftsmanship. We back each luxury coach with the industry’s highest level of service—including a 2-year warranty and 3-year roadside assistance.
Detail
ULTIMATE LUXURY
You deserve the ultimate luxury—and that’s exactly what the Cornerstone delivers. With power, opulence and new features such as passive tag axle steering, Collision Mitigation, and electronic stability control, you’ll quickly see how it’s easy to revel in luxury in this motorcoach.
