> All mainline freight trains are now "fully fitted" (braked by the > driver) and use either screw couplings or our version of the knuckle > coupler > which we call a buckeye coupling. > Regards, > > Barrie The screw coupling was the one I am thinking about. Does the shunter still not have to crawl in between the cars to tighten up the screw by rotating it? Jesse MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.