The B VIII steam engines of the Royal Bavarian State Railways (Königlich Bayerische Staatsbahn) were 2-4-0 tender locomotives.

Bavarian B VIII
Type and origin
BuilderMaffei
Build date1872
Total produced6
Specifications
Configuration:
 • Whyte2-4-0
Gauge1,435 mm (4 ft 8+12 in)
Leading dia.1,115 mm (3 ft 7+78 in)
Driver dia.1,620 mm (5 ft 3+34 in)
Length:
 • Over beams13,750 mm (45 ft 1+14 in)
Axle load12.0 t (11.8 long tons; 13.2 short tons)
Adhesive weight21.2 t (20.9 long tons; 23.4 short tons)
Service weight33.2 t (32.7 long tons; 36.6 short tons)
Water cap.9.0 m3 (2,000 imp gal; 2,400 US gal)
Boiler pressure10 kgf/cm2 (980 kPa; 140 lbf/in2)
Heating surface:
 • Firebox1.52 m2 (16.4 sq ft)
 • Evaporative95.10 m2 (1,023.6 sq ft)
Cylinders2
Cylinder size406 mm (16 in)
Piston stroke610 mm (24 in)
Valve gearStephenson
Performance figures
Maximum speed80 km/h (50 mph)
Career
Numbers497 SCHILLER to 502 WIELAND
Retiredby 1911

This class was a forerunner of the first Bavarian express train locomotive. It was equipped with an inside Stephenson valve gear, inside steam chests, detachable cranks, (Aufsteckkurbel) and a full outside frame (aussenliegender Füllrahmen). The firebox was supported in order to provide a better distribution of weight.

They were equipped with Bavarian 3 T 9 tenders.

See also

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