The FS 1:5th gas RC monster truck is an extreme model with a lot of upgrades pre-installed. The first thing you will notice compared to other models is the bigger powerful 30cc engine instead of the standard 23cc that pushes it to impressive speeds of up to 50mph+! The engine runs on normal unleaded 93# or 97# gas mixed with 2 stroke oil. No more having to buy nitro fuel from model shops, the model will run on normal gas and 2 stroke available from any gas station. This Hummer truck is a beast with a massive feature list including aluminum roll cage, 700cc fuel tank, aluminum air filter, sealed metal gears and adjustable carb.