DRG Class 99.32

Class 99.32
Type and origin Builder Orenstein & Koppel (3) DLW Meiningen (1) Build date 1932 (3), 2008 (1) Total produced 4
Specifications Configuration: ​  • Whyte 2-8-2T  • German K 46.9 Gauge 900 mm (2 ft 11+7⁄16 in) Leading dia. 550 mm (1 ft 9+5⁄8 in) Driver dia. 1,100 mm (3 ft 7+1⁄4 in) Trailing dia. 550 mm (1 ft 9+5⁄8 in) Wheelbase: ​  • Overall 8,075 mm (26 ft 6 in) Length: ​  • Over buffers 10,595 mm (34 ft 9+1⁄4 in) Height 3,400 mm (11 ft 1+7⁄8 in) Axle load 7.95 tonnes (7.82 long tons; 8.76 short tons) Adhesive weight 31.80 tonnes (31.30 long tons; 35.05 short tons) Empty weight 35.15 tonnes (34.59 long tons; 38.75 short tons) Service weight 43.68 tonnes (42.99 long tons; 48.15 short tons) Fuel capacity Coal: 1.7 tonnes (1.7 long tons; 1.9 short tons) Water cap. 4.25 m3 (150 cu ft) or 4,250 litres (930 imp gal; 1,120 US gal) Firebox: ​  • Grate area 1.62 m2 (17.4 sq ft) Boiler: ​  • Small tubes 4  • Large tubes 69 Heating tube length 3,500 mm (11 ft 5+3⁄4 in) Boiler pressure 14 bar (1.40 MPa; 203 psi) Heating surface: ​  • Firebox 5.80 m2 (62.4 sq ft)  • Tubes 54.74 m2 (589.2 sq ft)  • Total surface 60.54 m2 (651.6 sq ft) Superheater: ​  • Heating area 30.60 m2 (329.4 sq ft) Cylinders Two, outside Cylinder size 380 mm (14+15⁄16 in) Piston stroke 550 mm (21+5⁄8 in) Valve gear outside Walschaerts (Heusinger)
Performance figures Maximum speed 50 km/h (31 mph) Indicated power 338 kW (460 PS; 453 hp) Tractive effort: ​  • Starting 59.33 kN (13,340 lbf)
Career Numbers DRG: 99 321 – 99 323 DR: 99 2321 – 99 2323 DBAG: 099 231 – 099 233 MBB: 99 2321 – 99 2324

The Class 99.32 engines were standard steam locomotives (Einheitsdampflokomotiven) in service with the Deutsche Reichsbahn in Germany. The three examples built are still working today on the Bäderbahn Molli (Molli Spa Railway) between Bad Doberan and Kühlungsborn-West. A feature of the engines is the tapered driver's cab due to the restricted loading gauge of the upper section of the line. With a top speed of 50 km/h it is one of the fastest narrow gauge locomotive classes in the whole of Germany, however it cannot run at that speed on this particular route.

Together with the DRG Class 99.33s, they are the only steam locomotives on the Bäderbahn Molli. Because the small Wismut engines have a low tractive effort and top speed, the search for alternatives started. As a result, a fourth Einheitslok was built in Dampflokwerk Meiningen.

• 99 321 in service at Kühlungsborn West
• 99 322 in service at Kühlungsborn West
• 99 323 in service at Kühlungsborn West
• 99 324 in service at Kühlungsborn West

Literature

• Kieper, Klaus; Preuß, Reiner (1980). Schmalspurbahnarchiv. Berlin: transpress VEB Verlag für Verkehrswesen.
• Kieper, Klaus; Preuß, Reiner (1980). Schmalspur zwischen Ostsee und Erzgebirge. Düsseldorf: Alba Buchverlag. ISBN 3-87094-069-7.
• Obermayer, Horst J. (1971). Taschenbuch Deutsche Schmalspur-Dampflokomotiven. Stuttgart: Franckh. ISBN 3-440-03818-1.

See also

• List of DRG locomotives and railbuses