Map with old narrow gauge locos is below. Descriptions are under. The list is not exhaustive. You can find all locos in Bosnia here.
JŽ 83-158
Location: Oskova/Banovići
Producer: Henschel & Sohn (Kassel, Germany)
Setup: 0-8-0T
Year built: 1923
State: In operation
Link: Penmorfa 83 drives tourists
Pic is mine. There are two 83s, both operational and used for shunting at Oskova.
JŽ 740-107
Location: Oskova/Banovići
Producer: Duro Daković (Slavonski Brod, Croatia)
Year built: 1923
State: In operation
Link: Loco Info
Pic is mine. I saw two 740s, there might actually be 3 in total.
720-001
Location: Oskova/Banovići
Producer: ?
Year built: ?
State: In operation
Pic is mine. Did not find much about this engine. Might have been made locally.
JŽ 55-99
Location: Banovići
Producer: Mávag (Budapest, Hungary)
Setup: 0-8-0T
Year built: 1923
State: In operation, lovely
Link: Penmorfa
Pic is mine. Rare type, hauls tourists.
MAGLIĆ (JŽ 19-26)
Location: Dobrun monastery
Producer: Henschel & Sohn (Kassel, Germany)
Setup: 0-8-0T
Year built: 1923
State: Lovely
Link: Google Maps
Pic is mine.
PROLETERKA (Maffei 2438/1904)
Location: Oštrelj
Producer: Kraus Maffei
Setup: 0-4-4-0T
Year built: 1904 (probably)
State: Fair – it was somewhat renovated (mostly just paint)
Link: English Article Bosnian Article
Pic is mine. Partisan train used by Tito during the war.
KUSAČE (KRAUSS 4379)
Location: Zavidovići
Producer: Krauss (Munich, Germany)
Setup: 0-6-2T
Year built: 1901
State: Fair (needs some love)
Link: Bosnian Article
Pic is mine. Subject to a dispute between Zavidovići and Sraajevo which wanted to renovate it and display near newly reconstructed Bistrik station. But locals fought for it, so it stayed, got a paint and now it is parked forgotten behind a gate.
FCT 764.427
Location: Mokra Gora
Producer: Resita (Romania)
Setup: 0-8-0T
Year built: 1954
State: Fair
Link: Google Maps
Pic is mine.
ELEKTROBOSNA 1190
Location: Jajce
Producer: Krauss (Linz, Austria)
Setup: 0-4-4T
Year built: 1920
State: Good
Link: Google Maps
Pic: © Terry Wallace
JŽ 73-018
Location: Jablanica
Producer: Mavag (Budapest, Hungary)
Setup: 2-6-2
Year built: 1913
State: Good
Link: Museum
Pic: © Hansjörg Brutzer
JŽ 97-036
Location: Travnik
Producer: WLF (Floridsdorf, Austria)
Setup: 0-6-4cog
Year built: 1919
State: Fair
Link: Google Maps
Pic is mine.
JŽ 25-33
Location: Banovići
Producer: ČKD (Prague, Czechoslovakia)
Setup: 0-6-0T
Year built: 1949
State: Poor
Link: Google Maps
Pic is mine.
MAFFEI
Location: Drvar
Producer: Maffei (Munich, Germany)
Setup: 0-4-4-0T
Year built: 1903
State: Decrepit (rusty wreck)
Link: Google Maps
Pic: Wiki Pic
UNRRA 25
Location: Mlinište
Producer: H.K.Porter (Pittsburg, USA)
Setup: 0-8-0T
Year built: 1946
State: Decrepit (rusty wreck)
Link: Cooffee and Rakija
Pic: @ Michal Pokorny
JŽ 83-106
Location: Ploče
Producer: Krauss (Linz, Austria)
Setup: 0-8-2
Year built: 1916
State: Poor
Link: Google Maps
Pic:© Dale W Fickés
JŽ 55-98
Location: Gračanica
Producer: Mavag (Budapest, Hungary)
Setup: 0-8-0T
Year built: 1947
State: Good
Link: Google Maps
Pic: © Terry Wallace
JŽ 19-34
Location: Prijedor
Producer: Škoda (Plzen, Czechoslovakia)
Setup: 0-10-0
Year built: 1948
State: Poor
Link: Google Maps
Pic: © Herbert Ortner
JŽ 125-049
Location: Višegrad
Producer: Mavag (Budapest, Hungary)
Setup: 0-6-0
Year built: 1916
State: Fair
Link: Loco Info
Pic: © Phil Horton
JŽ 83-106
Location: Šargan Vitasi
Producer: Arnold Jung (Kirchen, Germany)
Setup: 0-8-2T
Year built: 1926
State: Operational (like new)
Link: Šargan 8 Details about the section
Pic is mine. There are many more locomotives in the Šargan 8 museum, but I added the ones I saw.
Schienewolf
Location: Sarajevo
Producer: ?
Year built: ?
State: Poor (would still probably rip sleepers out though!)
Link: Sarajevo Museum
Pic: © Andrew Grantham. This hook was put behind a locomotive and ripped out sleepers from under rails, rendering the railway ineffective. It was used by retreating Germans.
JŽ 19-37
Location: Doboj
Producer: Škoda (Plzen, Czechoslovakia)
Setup: 0-10-0
Year built: 1948
State: Poor (pic is old)
Link: Loco Info
Pic: © Dale W Fickés
Armoured Wagon
Location: Sarajevo
Producer: ?
Year built: 1942
State: Poor (but sturdy!)
Link: Sarajevo Museum
Pic: © Leon Marges. It shall be narrow gauge. Used by NDH.
JŽ 71-022
Location: Sarajevo
Producer: Orenstein & Koppel (Berlin, Germany)
Setup: 0-6-0T
Year built: 1922
State: Lovely
Link: Loco Info
Pic: © Martin Summerscales
ŽBH 129 (BOSNA)
Location: Rajlovac, Sarajevo
Producer: Krauss (Linz, Austria)
Setup: 0-6-0T
Year built: 1918
State: Fair (pic is old)
Link: Loco Info
Pic: © Dale W Fickés
ZBH 25-26
Location: Rajlovac, Sarajevo
Producer: ČKD (Prague, Czechoslovakia)
Setup: 0-6-0T
Year built: 1948
State: Good
Link: Loco Info
Pic: © Simon Balko
