The US fed uses the back squat. I would be surprised to see a 170 lbs. brakeman, teams want to max out the weight limit with bodyweight.
From my conversations with the team chiro for USA bobsled and a former athlete himself, he basically said to look at training as if you had 8 months a year to train and the only thing you would be tested on is pushing an unweighted Prowler for 30 meters. That kind of puts things in perspective.
Eros has some experience at the Europa Cup level I believe, maybe he can chime in.