It doesn't look to me like driver error, but maybe that machine was WAY more powerful than they had expected. Juggernaut.

If you watch the trailer, the load never shifts so the tractor was never slowed down. When he goes to stop is when the load breaks loose and that's what pushes him through the door/wall.

Yep, much to sucking fmall!

it's a sport alright, probably more entertaining than cricket

to be quite honest thats not to hard really is it altho i did watch cricket when england won the ashes