They all come standard with the K3Ls, as Canadian locomotives use to come standard with either a K3H or K3L type horn. The K3HA was the American variant of the horn which was featured on American locomotives.
They all come standard with the K3Ls, as Canadian locomotives use to come standard with either a K3H or K3L type horn. The K3HA was the American variant of the horn which was featured on American locomotives.