RE: Duratrax Maximum ST
If you have the adjustable motor mount it will fit with no issues.I have a Megatech 16 with two speed in mine and it goes pretty good.Don't go to big with it though there not a very durable truck.I use mine for street use and it does fine just don't jump it to much or it will be broke.If you need any parts let me know I have a stock pile of parts for it.