Other notable tropes included the truck window chest ... this was definitely a different rendition compared to Generation 1. RID Optimus Prime had a certain shimmer and shine in robot mode ...

Lego's 1,508-piece Optimus Prime model can transform into a truck, which makes it one of the coolest Lego builds around.

In the Generation 1 Transformers cartoon ... regardless of which planet he was on. Many of Optimus Prime's Cybertronian truck forms lack the trailer that he carries on Earth Numerous continuities ...