These dual cab locomotives have a roof access ladder on one side only, just to the right of the cab access door.
The roof access ladder end is marked as the no.
1 end.
Series 1 and Series 2 loco­mo­tives are visually indistinguishable from each other, but the two sides of both series are sufficiently different in appearance that a pair of them coupled at the same ends appears at first glance to be two different locomotive types.
The roof access ladder side is smooth, while the other side has several large grilles.
These dual cab locomotives have a roof access ladder on one side only, just to the right of the cab access door. The roof access ladder end is marked as the no. 1 end. Series 1 and Series 2 loco­mo­tives are visually indistinguishable from each other, but the two sides of both series are sufficiently different in appearance that a pair of them coupled at the same ends appears at first glance to be two different locomotive types. The roof access ladder side is smooth, while the other side has several large grilles.
South African Class 7E3, Series 1