If RC Excavator or RC Tipper, all rc machines work hard in the gravel mine. Without all wheel drive have no chance. The rc Mercedes is a 6x6 and perfect for the gravel ground.The Thicon 3axle tipper work so hard today and make a great job.The RC machines are all ok on this day.. See all this amazing r/c stuff at work RCLA Thanks a lot for sharing, commenting, subscribing and thumbs up. All this models work hard on the mine, and makes so much fun! All models are self made or rebuild. Check out my other videos! ______________________________Social Media__________________________ ᐅ My Homepage: http://www.modellkran.de ᐅ Twitter: http://bit.ly/2ikFfg6 ᐅ Facebook: http://bit.ly/2hwfBVJ ________________________ My Equipment____________________________ ᐅ My remote control: http://amzn.to/2hhgEMX http://amzn.to/2i2SipH ᐅ My flatbed: http://amzn.to/2i7hTeC ᐅ One of my vehicle: http://amzn.to/2hMq7LA ᐅ My video camera: http://amzn.to/2htgEdb