2014 Ford Chassis Cab – Frame Strength

The crossmembers on the Super Duty® Chassis Cab frame are riveted, welded, or both, to optimize frame capability. There's also the steel C-channel up to 6.7-mm thick. Put this and more strong measures together and you'll know why Super Duty Chassis Cab delivers outstanding payload and towing capability. - See more at: http://www.fleet.ford.com/fleet-showroom/?brand=Ford&md=ChassisCab&yr=2014&sg=commercial-trucks#sthash.7wOrCJ6S.dpuf