Narrow gauge locomotive K.3
| former classification: | Gonobitz 3 |
| type: | 0-4-0 (Bt n2) |
| year of construction: | 1892 |
| builder: | Krauss/Linz |
| weight: | 12 t |
| axle load: | 6 t |
| length: | 5,3 m |
| driving wheel diameter: | 610 mm |
| boiler pressure: | 12 bar |
| power: | 57 kW (78 HP) |
| top speed: | 25 km/h |
Two narrow gauge lines (760 mm) were built by the Steiermärkische Landesbahnen (StmLB) in 1892: Poljčane - Konjice (Poltschach - Gonobitz), today in Slovenia, and Preding-Wieseldorf - Stainz, today in Austria.
The Krauss Locomotive Factory in Linz manufactured for them four locos of the same kind: No 1 - Meran, No 2 - Stainz, No 3 - Gonobitz and No 4 - Heiligengeist. No 3 and 4 came on the Konjice line. No 3, whose name had been translated to Slovenske Konjice after WW1, remained safe and sound because she was overhauled by the Jesenice Iron Works in 1930 instead of being scrapped. She then served as O-IV on the inner transportation system of the Works. Her sister engine No 2, Stainz, also escaped demolition and is still kept in working order in Austria for nostalgic trains.
