That’s how many rotations of the crankshaft the C32 Caterpillar engine made on the 77-002 diesel locomotive. Thanks to the onboard monitoring systems, Express Service company analyzes the work of the locomotive and its engine. Railway Supply magazine writes about it with reference to the Bulgarian company.


100 million rotations mean that:
– the engine’s operating time is 2109 engine hours;
– average engine speed – 790 rpm;
– 55854 liters of fuel were used, or 26.5 l/eh;
– the engine was started 540 times;
– the engine was idle for 1,393 hours, or 2/3 of the time;
– when idling, the engine consumed an average of 5 l/eh, for a total of 7,283 l;

This is where a gigantic saving is found: for 2/3 of its running time, the engine consumes only 1/3 of the consumption of the old engines! Nature is saved from thousands of tons of harmful emissions. ️The new engine emits 97 percent fewer harmful particles than the original narrow-gauge engines.

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All of this data, as well as many others that the company collects in operation, helps it make decisions about future locomotive upgrades. They also help Caterpillar improve its engines.
Efficiency and environmental friendliness are the standard that Express Service adheres to and enforces!

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