After driving the Class 47 onto the turntable and setting the brakes to full service. I disembark the loco and turn the train on the turntable. As the turntable rotates, the train body stays static and the bogies move with the turntable,
read all the replies from this reddit post maybe the solultion there works Minehead Shunter Part 2 - Turntable Bug : r/trainsimworld