(...) OK Eric, go check when you get home! :-) I have 10 #6075 (10! where the hell did he get 10! - from a 1983 Kmart sale for only $23 each) and they all say #6075. BUT the instructions all say #375/#6075 (Eric, that is what you might be thinking (...) (20 years ago, 28-Feb-05, to lugnet.trains)