Novelty 2025: From 1973, Fablok developed a six-axle machine based on the SM42, which was also planned for export to the CMEA area, but this was ultimately not realised. From 1976, the PKP received 167 of these machines and classified them as SM31 003 - 169. For the needs of the industry, 28 machines followed, which were supplemented by the two prototypes not taken over by the PKP. Contrary to expectations, the CoCo machines were not suitable for the needs of the industry, so many were soon cancelled or sold to the PKP.

Digitally switchable drivers cab lighting | Digitally switchable running gear lighting | Freestanding railings and ladders | Rotating fan | Fine, openwork fan grilles | PIKO TrainSound® onboard

Features

EAN	4015615523116
Sound yes/no	yes
Type of current	DC
Railway administration	PKP
Era	V
Kind of measurement	LOB / length over buffers
Measurement	195
Minimum radius	358
Digital interface	NEM 658 PluX22
Built-in decoder	PluX22 sound decoder
Interior Lighting / Lights	Digitally switchable cab lighting (with PluX22 Decoder)
Number of Traction Tyres	2
Coupling	NEM pocket + close coupler mechanism
Sound	PIKO sound decoder fitted at the factory
Directional lights	Directional light change white / red
Age recommendation	from 14 years