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Bosnian-Herzegovinian Railway class IVa5
Yugoslav Railway class 83 and Hungarian State Railways series 483
Bosnia Herzegovina | 1903 | 185 produced
MÁVAG

After several locomotives had been built in smaller numbers for the narrow-gauge lines in Austria-Hungary, the breakthrough as a standard locomotive was achieved with the IVa5. It was built as a tender locomotive with a 0-8-2 wheel arrangement, initially with a compound engine and later as a superheated simple engine. They are technically related to the Mh/Mv of the NÖLB. Some were built for the meter gauge for use in Hungary.

83-159 of the Banovići coal railway in June 2016 in Oskova
83-159 of the Banovići coal railway in June 2016 in Oskova
Friedrich Böhringer

Even after the end of the Austro-Hungarian monarchy, production continued for the railways of the SHS state and Yugoslavia. A total of 185 had been built by 1949, of which 169 were still in use in 1965. Even today, some are still in use on museum railways, including the Austrian Club 760. Two are used on the Banovići coal railway today, as they are more powerful in shunting than the existing diesel locomotives.

Variantcompoundsuperheated
General
Built1903-1949
ManufacturerKrauss Linz, MÁVAG, Jung, Đuro Đaković
Axle config0-8-2 (River Irt) 
Gauge2 ft 5 15/16 in (Bosnian gauge), 3 ft 3 3/8 in (Meter gauge)
Dimensions and Weights
Length44 ft 11 3/8 in
Service weight80,689 lbs83,776 lbs
Adhesive weight70,548 lbs71,650 lbs
Total weight114,640 lbs119,049 lbs
Fuel capacitycoal
Power
Power sourcesteam
Estimated power503 hp (375 kW)
Optimal speed27 mph15 mph
Top speed22 mph
Starting effort11,704 lbf21,194 lbf
with start valve14,045 lbf
Power Plant
Driver diameter35.4 in
Boiler pressure188 psi174 psi
Expansion typecompoundsimple
Cylinderstwo, HP: 14 9/16 x 17 11/16 in
and LP: 21 5/8 x 17 11/16 in
two, 16 15/16 x 17 11/16 in
Boiler
Grate area18.8 sq ft18.3 sq ft
Firebox area68.9 sq ft
Tube heating area1,130.2 sq ft880.5 sq ft
Evaporative heating area1,199.1 sq ft949.4 sq ft
Superheater area267.8 sq ft
Total heating area1,199.1 sq ft1,217.2 sq ft
Calculated Values
steam locomotive
freight
passenger
narrow gauge
last changed: 08/2023
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