Delivering Locos

how does one deliver Locomotives ?

Open the Ttain Manager (yellow loco icon at bottom-left of game screen)
Go to the International tab (globe with arrow icon at top-left in Trains Manager)
Click New Train button
Select a train and add wagons
Click the Send to International button
Select a contractor (or friend)
Click Load up the train button
Move the slider if you want to change the amount of cargo
Click the Send Train button

Hope this helped

To who?