Naklo-steam locomotive JZ 53-019

Weight: 66 t, axle load: 11 t, length: 12 m, diameter of driven wheels: 1140 mm, steam pressure: 14 bar, power: 600 kW (800 HP), max. speed: 60km/h, capacity of water: 6 m³, capacity of coal: 2.3 t, type of construction: 1D1t h2 Lentz

The locomotive was produced in 1928 by Wiener Lokomotiv Fabrk (WLN) Floridsdorf, serial nr. 2976. The series JŽ 53 (BBÖ 378) was designed by Alexander Lehner for passenger trains on local lines. Relatively small driven wheels enabled good accelerations at numerous stations while the low speed was satisfactory for local lines. Due to four driven wheel pairs it could develop the large pulling force: it could pull upto 440 t trains at its max. speed. Modern steam engine (constructed by Lentz), where steam flow was regulated by valves, similar to those in cars, turned out to be very economical. After the WW2, 29 locomotives of this series arrived to Slovenia. They pulled passenger trains on local lines in Štajerska (eastern Slovenia), from Ljubljana to Kamnik, to Kranj and to Vrhnika and also between Kranj and Tržič. In January 1966 this locomotive pulled the last train to Tržič before it was disused (the section between Naklo and Tržič). In 2008, on the 100th anniversary of this line, the locomotive was exhibited in Naklo. Detailed description in English (copy) and Slovenian (copy).