Just got the new big blow n scale from scale trains. I got the dc #14. I have been running it and found a couple of items i was wondering if any one else had. 1) the coupler on the fuel tank is a little high. so i could only pull 40 cars with out auto uncoupling. 2) gear sounds whine and a little grinding. (hopping brake in sounds) Iam loving the locos. the detail is very nice for n scale plastic or brass. Thanks for any thought and or input .