Complex sentence: At the rear a rectangular superstructure covered the Daimler 105 hp engine and transmission of the Mark I; the transmission was reversed compared to its position in the Mark I. This structure also housed the vehicle commander, a mechanic and two gearsmen.
Split into simpler sentences: At the rear a rectangular superstructure covered the Daimler 105 hp engine and transmission of the Mark I, but in a reversed position. This housed the vehicle commander, a mechanic and two gearsmen.