Manual vs. Automatic Transmissions for Trucks | Copeland While some drivers still swear by manual transmissions, automatics have been shown to have a better overall performance in multiple areas. It’s hard to go wrong with an automatic transmission. As a truck driver, you may be able to choose between automatic and manual transmissions for your own work vehicle. Related searches for automatic transmission schematics automatic transmission breakdown diagramdiagram of automatic transmissionparts of a transmission diagramtransmission diagramautomatic transmission schematic diagramautomatic transmission parts diagramhow does automatic transmission workauto transmission diagram