Bavarian A I

Bavarian A I
Numbering:	Names, Inventory nos. 1–24	DER MÜNCHNER, Inventory no. 25
Quantity:	24	1
Manufacturers:	Kessler, Maffei, Meyer	Maffei
Years of manufacture:	1844–1845	1841
Retired:	1874	1871
Wheel arrangement:	2-2-2
Axle arrangement:	1A1 n2
Gauge:	1,435 mm
Length over buffers:	9,739 mm
Service weight:	15.0/20.5 t	13.8 t
Adhesive Weight:	7.5 t	6.8
Top speed:	40 km/h	59 km/h
Indicated Power:		75 kW
Driving wheel diameter:	1,524 mm
Leading wheel diameter:	915 mm
Trailing wheel diameter:	915 mm
No. of cylinders:	2
Cylinder bore:	318 mm	305 mm
Piston stroke:	559 mm	457 mm
Boiler overpressure.	6.3 bar	6 bar
Grate area:	0.72–0.83 m²	0.93 m²
Evaporative heating area:	71.00 m²	46.00 m²
Tender:	2 T 3.35	2 T 3
Water Capacity:	3.35 m³	3.0 m³

Bavarian A I engines were German steam locomotives in service with the Royal Bavarian State Railways (Königlich Bayerische Staatsbahn) from 1841 to 1871.

Three manufacturers were awarded a contract to build eight locomotives each, with the stipulation that the components of the different machines had to be interchangeable with one another. The engines achieved a speed of 33 km/h on a line with an incline of 1:200. The first engine was retired in 1871 and scrapped. Five other examples were rebuilt into B 1 locomotives and four were sold. The last one was scrapped in 1874.

They were coupled with 2 T 3,35 tenders.

Der Münchner

Der Münchner (a Münchner is a man from Munich) was a Bavarian Class A I engine with the number 25. It was originally built for a private railway company which ran the route between Munich and Augsburg. In 1844 the line was taken over by the state railway and the engine was transferred into state ownership. A large part of the locomotive came from England, which can be seen from the typically English 'pear' shape of the outer firebox.

It was coupled with a 2 T 3 tender.

Classes of Bavarian locomotive and railcars

Early locomotives	Adler Jupiter and Juno Vesta and Venus Vulkan and Mars Merkur and Diana A I A II A III A IV A V B I B II B III B IV B V B V (artic) C I C II

Passenger and express train locomotives	B VI B VII B VIII B IX (old) B IX B X B XI Zw B XI Vbd C V AA I S 2/5 (Vauclain) S 2/5 S 2/6 S 3/5 N S 3/5 H S 3/6 P 2/4 P 3/5 N P 3/5 H

Goods train locomotives	C II C III C IV Zw C IV Vbd C VI E I E I (Vauclain) BB I G 3/4 N G 3/4 H G 4/5 N G 4/5 H G 5/5

Tank locomotives	D I D II D II (old) D III D IV D V D IX D XII Pt 2/3 Pt 2/4 N Pt 2/4 H Pt 2/5 N Pt 2/5H Pt 3/6 Gt 2x4/4 R 3/3 R 4/4

Branch line locomotives	D VI D VII D VIII D X D XI BB II PtL 2/2 (Maffei) PtL 2/2 (Krauss) PtL 3/3 PtL 3/4 PtzL 3/4 GtL 4/4 (GtL 4/5 - DRG 98.10) (GtL 4/5 - DRG 98.11)

Narrow gauge locomotives	LE Pts 3/4 Gts 4/4 Gts 2x3/3

Electric locomotives	ES 1 EP 1 EP 2 EP 3 EP 4 EP 5 EG 1 EG 2 EG 3 (EG 4) (EG 5)

Railbuses	Krauss railmotor MCi MBCi MCCi MBCL MPL D4ieIT (D4ieIT variant - DRG ET 85)

Bavarian Ostbahn locomotives	A 1 – A 12 A 13 – A 24 A 1 – A 2 B 1 – B 66 B 67 – B 78 B 79 – B 90 B 91 – B 96 B 97 – B 109 C 1 – C 12 C 13 – C 64 D 1 – D 12 C 13 – C 14

Royal Bavarian State Railways

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Bavarian A I

Der Münchner

See also