75029 running round its train at Battersby Junction

[Marcomanseckisax]

could swear I hear a diesel rumbling away at around 0:40 - but no sign of it!

[tgm9991]

@Marcomanseckisax and there's a horn at 1:13

[Marcomanseckisax]

@tgm9991 both sound much closer than the head of the train standing at the platform (the nearest possibility, where it would be auxiliary to the kettle).