Chennai Express with 4 Engines Chugging at Khandala, Bhor Ghat – Indian Railways

11041 Mumbai Cst Chennai Express with leading KZJ WDM-3A# 14031 Baldie and Triple KYN WAG-7 bankers attractively climb the gradient, heavily chug and in the end beautifully make their way towards Lonavla station. Venue: Khandala station, Central Railway, Bhor Ghats, Camera: SONY HDR PJ50E.

Video – Arzan 1980.

Push–pull is a configuration for locomotive-hauled trains, allowing them to be driven from either end of the train, whether having a locomotive at each end or not.

A push–pull train has a locomotive at one end of the train, connected via some form of remote control, such as multiple-unit train control, to a vehicle equipped with a control cab at the other end of the train. This second vehicle may be another locomotive, or an unpowered control car.

In the UK and some other parts of Europe, the control car is referred to as a driving trailer (or driving van trailer/DVT where there is no passenger accommodation); in the USA and Canada, they are called cab cars.

Alternatively, a push–pull train, especially a long one, may have a locomotive on both ends so that there is always one locomotive pushing and one locomotive pulling. In this case, caution must be used to make sure that the two locomotives do not put too much stress on the cars from uneven locomotives. It is usual to arrange matters so that the trailing locomotive supplies less power and that the locomotive at the front does more pulling than the locomotive at the rear does pushing. Having an independent locomotive as opposed to a power car at each end is also known in the railway world as a top and tail.

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