Manual Transmissions VS Automatic Transmissions VS Automatic-Manual Transmissions in a Semi Truck? This topic splits the industry, veterans typically preferring manual transmissions while the younger generation prefers automatic, a preference they share with present day truck manufacturers. In this video, Liam dives into how each transmission operates and the pros and cons of each. So while automatic and manual transmissions have their unique benefits and drawbacks, the trucking industry is shif