The winner is the one that gets his blade under the other one and slightly lifts the front of the other crawler, which puts weight on his own and he can then push harder and not slip! So, it's down to tactics...I am an equipment mechanic in the u.s. I cant read or understand this russian chicken scratch, but ill translate. " oh damn that cat is making our crap look like toy." Caterpillar is good shit made in the USA.