The Tatras combined good manoeuvrability with a mixed-fuel boiler plant. Four boilers burned oil and two burned coal. That arrangement reduced reliance on either fuel alone. It was a practical precaution against changing operational requirements.
Notable Point · 24:55-25:34
Mixed-fuel boilers gave the Tatras more flexibility
Four oil-fired and two coal-fired boilers kept the manoeuvrable Tatras from depending on a single fuel.