Transtex has agreed to purchase from SmartTruck its assets related to Class 8 trailer aerodynamic systems, specifically the TopKit, the companies announced. Subject to the parties finalizing a mutually agreeable purchase agreement and completion of due diligence, the closing of the purchase is expected to occur in March, the companies said. SmartTruck says it will continue to deliver products to its customers until such time as Transtex is able to step in without interruption.