Here’s how to build a custom trailer for LEGO Optimus Prime

After the launch of LEGO 10302 Optimus Prime this month, one of the hyped up LEGO releases ever, fans are starting to build and enjoy their LEGO Optimus Primes.

If you’ve read my Optimus Prime review or were lucky enough to build the set, you’ll know that Optimus Prime, much like the G1 Toy version doesn’t come with his trailer – thankfully, not a problem with LEGO!

Enter hachiroku24, an incredibly talented LEGO Youtuber and MOCer – you may have seen his designs on Youtube or Instagram.

To fill the gap in the market, he’s designed an awesome and very accurate looking trailer for your LEGO Optimus Prime.

And yes, the trailer which is also known as the Combat Deck opens up as well, revealing the “artillery robot” complete with clawed arms.

And here’s Optimus Prime in robot mode next to the trailer.

Unfortunately, there aren’t any instructions for the LEGO Optimus Prime Trailer MOC (my own creation), but you can easily follow the steps and watch how it’s made in hachiroku’s video tutorial on Youtube.

This is without a doubt, one of the best-looking LEGO Optimus Prime trailer MOCs so far – I’d totally buy one of these to add on to my own Optimus Prime!

Special thanks to hachiroku24 for permission to share these photos! Be sure to check out his Instagram or Youtube channel for more of his incredible creations.

In case you missed it, check out my review of 10302 Optimus Prime. It’s also surprisingly still available for purchase on, although it’s temporarily out of stock in Australia!

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