Nigerian Railways 1001 class
The 1001 class were a class of ten diesel-electric locomotive built by English Electric and Vulcan Foundry in 1955 for Nigerian Railways along with fourteen for the Gold Coast Railways (later Ghana Railways) as their 1000 class. Construction and layout was a very similar to the earlier NZR De class. Description The 1001 class were hood type locomotives with end cab and access platforms at each end. They were powered by an English Electric 6SRKT Mark II engine rated at 750 bhp. The main generator was directly mounted to the engine making one rigid unit, the complete unit being mounted to the underframe on three resilient mounts. The engine was governed at one of three set speeds as required by the duty being performed. The speeds, when the engine was on load, were 450, 620 and 850 rpm. The main generator was a single bearing machine and supplies current to the traction motors and the radiator fan motor. The output of the generator was dependent on its field strength and on the speed of the diesel engine, both of which were controlled by the driver through the controller. On the last control notch the field strength of the generator was