The semi-trailer trucks in Singapore are mostly made by European brands such as Volvo and MAN. However, when we watch movies that are shot in the United States, we can see that their trailer trucks looks slightly different from the ones that we see on our Singaporean roads. An example of a famous American truck from the movies is Optimus Prime from the Transformer series.
Optimus Prime from the first three installments of the Transformer film was a modified Peterbilt 379 that was made by a North American truck manufacturer. North American trailer trucks usually have a long-nose styling also known as Conventional or Normal Control while European trucks are usually flat-nose Cab Over Engine or Forward Control.