Bavarian PtzL 3/4

Bavarian PtzL 3/4 DRG Class 97.1
Number(s)	4101–4103 + 8033 DRG 97 101–104 in Passau shed
Quantity	4
Manufacturer	Krauss
Year(s) of manufacture	29.07/ 30.08 and 17 September 1912, 1923
Retired	1963
Wheel arrangement	0-6-2
Axle arrangement	C1' h2(4v)
Type	Ptzl
Gauge	1,435mm
Length over buffers	10,490 mm
Service weight	57.8 t
Adhesive weight	46.2 t
Axle load	15.6 t
Top speed	45km/h adhesive, 12km/h cogwheel
Indicated Power	390 kW/ 530PSi adhesive, 560PSi cogwheel
Driving wheel diameter	1,006 mm
Trailing wheel diameter	800 mm
Rack system	Emil Strub
No. of cylinders	2
Cylinder bore	508 mm
Piston stroke	460 mm
Boiler Overpressure	12 bar
Grate area	1.85 m²
Superheater area	25.40 m²
Evaporative heating area	71.69 m²
Fuel	coal
Transmission	superheated steam, 2 cylinders in adhesive working, 4 cylinders in cogwheel mode
Couplers	Standard buffers with coupling hooks

The Bavarian Class PtzL 3/4 engines with the Royal Bavarian State Railways (Königlich Bayerische Staats-Eisenbahnen) were rack railway locomotives whose cogwheel drive was designed for working on tracks with a Strub rack. In 1923 they were incorporated by the Deutsche Reichsbahn as DRG Class 97.1 (Baureihe 97.1) in their numbering plan. The locomotives remained on their regular route between Erlau and Wegscheid until the closure of this rack railway in 1963. The last journey was on 5 January 1963. They were scrapped in April 1964 at Simbach am Inn.

External links

There is a relevant English-language forum at Railways of Germany

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 PtzL 3/4

See also

External links