2024 Cornerstone Walkthrough - Class A Luxury Diesel Motorhome
Detailed tour of the 2024 Cornerstone luxury diesel pusher, floorplan 45D, presented by a Regional Sales Manager.
THE QUIETEST RIDING, BEST HANDLING COACH ON THE MARKET TODAY. PERIOD.
2024 CORNERSTONE
LENGTH 44' 11" | WIDTH 101" | SLEEPS UP TO 2
One step inside the 2024 Cornerstone and you’ll know why it’s at the top of the list in luxury and convenience. Not only does it have premium leather Crown Compass furniture throughout, it also features heated, cooled and massaging driver and passenger seats. The Firefly Multiplex system with a 10-inch VegaTouch touchscreen allows complete integration of coach controls at your fingertips. Technology keeps you safe and comfortable on the road with the 15-inch digital dash with integrated 360° camera, Valid™ Trueline air leveling system, TPMS and dual zone AC/heating system. Adaptive cruise control with collision mitigation and blind spot monitoring takes safety one step further. The Cornerstone is built on the Spartan® K3 chassis with a Cummins® 605HP engine and includes E-Z Steer™ adjustable power steering assist and the Reyco® Granning® passive-steer tag axle with air dump and disc brakes on every axle.
Product Videos
2024 Cornerstone Floorplans
Exterior Graphics
STANDARDS & OPTIONS
Chassis
Spartan® K3 raised-rail chassis
Engine
Cummins® 15 liter X15 turbocharged 605 HP engine with 1,950 lb. ft. torque at 1,150 RPM
Transmission
Allison® 4,000 MH 6-speed transmission
Radiator
Side-mounted, parallel-airflow radiator
Alternator
210 amp alternator
Engine Block Heater
1,500W engine block heater
Engine Brake
Three-stage engine brake
Front Axle
Meritor® front axle with independent front suspension, integrated anti-sway bar and custom-tuned Koni® shocks- 20,000 lb. rating
Rear Axle
Dana® rear axle - 20,000 lb. rating
Tag Axle
Reyco® Granning® passive-steer tag axle with onee-touch manual air dump - 14,000 lb. rating
Braking System
All-wheel ABS disc brakes
Rear Axle Ratio
4.30 rear axle ratio
Tires
Michelin® 365/70R 22.5 in. tires (front) and 315/80R 22.5 in. tires (rear)
Tire Pressure Monitoring
Tire pressure monitoring system (TPMS) with temperature monitoring
Traction Control
Automatic traction control
Leveling System
Equalizer™ hydraulic automatic coach leveling
Air Leveling
Valid™ Truline air leveling system with auxiliary air compressor
Air Connection
Remote air connection
Chassis Battery
(2) 12V chassis batteries
Fuel Tank
150 gal. fuel tank with dual fills
DEF Tank
15 gal. DEF tank with dual fills (single fill on 45D, 45R)
Tow Air Brake System
Spartan® Safehaul tow vehicle air brake system
Hitch
20,000 lb. hitch with 7-pin plug
Front Suspension
Independent front suspension (IFS)
Shocks
Custom-tuned Koni® shocks
Décor Options
Beach
Wood Options
Stonewall Matte Grey Maple
Tile Options
