Abstract: An integrated trailer chassis hold down system/firefighting system can be used, among other purposes, to transport and deploy firefighting foam concentrate from intermediate bulk containers when supplied by a pressurized water source through foam eductors, self educting nozzles, or to resupply foam from a transfer pump for transportation. The trailer chassis can securely fasten intermediate bulk containers, keeping their center of gravity low for safe travel on highways and roads. The trailer chassis can cradle the intermediate bulk container with integrated hold down tabs bolded directly to the chassis. This hold down system allows the intermediate bulk container to sit inside the trailer chassis to keep the center of gravity low and allow the IBC to fit with close tolerance inside the chassis with positive restraint.