The new 2019 Ram Chassis Cab offers more upfit possibilities and capabilities than ever before.It fits nearly any upfit thanks to an unsurpassed steel rear frame strength of 50,000 PSI, Best-in-Class available maximum dual alternator output of up to 440 amps and other upfit-friendly features. The new 2019 Ram Chassis Cab offers Best-in-Class 10,000-mile gas engine oil change intervals and Best-in-Class 12,000-mile diesel engine oil change intervals. Stay on the road longer with Best-in-Class standard single and available dual fuel tank capacities, active grille shutters and a variety of impressive built-in cost-saving features.