Here is a link to a good video of an early T34 going through its paces with a good driver;
http://www.youtube.com/watch?v=4d03m2aZSnY This is probably a bog recovered one as when they find them they are usually in excellent condition. The mud in these bogs must be oily to preserve so well.I think there are at least 4 T34`s found so far, and someone is slowly rebuilding one from damaged pieces, a big job.