Bavarian AA I

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Bavarian AA I later P 2/4 DRG Class 36.8
Krauss
Build date	1896
Total produced	1

Specifications
Configuration:	​
• Whyte	4-2-2-2, later 4-4-0
Gauge	1,435 mm (4 ft 8+1⁄2 in)
Leading dia.	1,006 mm (3 ft 3+5⁄8 in)
Driver dia.	1,870 mm (6 ft 1+5⁄8 in)
Length:	​
• Over beams	16,570 mm (54 ft 4+1⁄4 in)
Axle load	14.9 t (14.7 long tons; 16.4 short tons)
Adhesive weight	29.8 t (29.3 long tons; 32.8 short tons)
Service weight	51.7 t (50.9 long tons; 57.0 short tons)
Water cap.	14.5 m3 (3,200 imp gal; 3,800 US gal)
Boiler pressure	13 kgf/cm2 (1.27 MPa; 185 lbf/in2)
Heating surface:	​
• Firebox	2.26 m2 (24.3 sq ft)
• Evaporative	94.60 m2 (1,018.3 sq ft)
Superheater:	​
• Heating area	26.85 m2 (289.0 sq ft)
Cylinders	2
Cylinder size	490 mm (19+5⁄16 in)
Piston stroke	610 mm (24 in)

Performance figures
Maximum speed	90 km/h (56 mph)

Career
Numbers	K.Bay.Sts.E.: 1400 DRG: 36 861
Retired	1933

The only AA I

and run under operating number 36 861. She was the last Bavarian 4-4-0 locomotive to be retired in 1933.

The engine was equipped with a Bavarian 3 T 14.5

.

See also

• Royal Bavarian State Railways
• List of Bavarian locomotives and railbuses

References

• Obermayer, Horst J. (1990). "Dampflokomotiven". Deutsche Eisenbahnen (in German). Stuttgart: Franckh-Kosmos Verlag. p. 87.
  ISBN 3-89350-819-8
  .
• Weisbrod, Manfred; Müller, Hans; Petznik, Wolfgang (1976). Dampflokomotiven deutscher Eisenbahnen, Baureihe 01–39 (EFA 1.1) (in German) (3rd ed.). Düsseldorf: Alba Buchverlag. pp. 208–210.
  ISBN 3-87094-081-6
  .