When loading and unloading the smaller tanks, the driver must pay attention to weight distribution. Don't put too much weight on the front or rear of the vehicle. Baffled Tanks Baffled liquid tanks have bulkheads in them with holes that let the liquid flow through. The baffles help to control the forward and backward liquid surge. This can cause a roll over.
Outage Never load a cargo tank totally full.
Liquids expand as they warm and you must leave room for the expanding liquid. Since different liquids expand by different amounts, they require different amounts of outage. You must know the outage requirement when hauling liquids in bulk. For that reason, you may often only partially fill tanks with heavy liquids. The weight of the liquid.