SP45 is the Polish diesel locomotive. It was built for the purpose of passenger traffic in qty 268pcs, in 1970-76 years. Loco uses Fiat-licensed engine and an Alsthom-licensed alternator. No operating examples of this loco remain, all have been phased out or rebuilt into SU45.

Model is fitted with ball bearing trucks allowing smooth run, from supply 1V, with consumption 100mA. Interface DCC plux16.