DRG Class 99.32

Type and originPower typeSteamBuilderOrenstein & Koppel (3)DLW Meiningen (1)Serial numberO&K: 12400–12402Build date1932 (3), 2009 (1)Total produced4

Type and origin

Power typeSteam

BuilderOrenstein & Koppel (3)DLW Meiningen (1)

Serial numberO&K: 12400–12402

Build date1932 (3), 2009 (1)

Total produced4

SpecificationsConfiguration:• Whyte 2-8-2 T• UIC1′D1′ h2t• GermanK 46.8Gauge900 mm (2 ft 11+7⁄16 in)Leading dia.0,550 mm (1 ft 9+5⁄8 in)Driver dia.1,100 mm (3 ft 7+1⁄4 in)Trailing dia.0,550 mm (1 ft 9+5⁄8 in)Wheelbase:• Axle spacing (Asymmetrical)2,050 mm (6 ft 8+3⁄4 in) +1,325 mm (4 ft 4+1⁄8 in) +1,325 mm (4 ft 4+1⁄8 in) +1,325 mm (4 ft 4+1⁄8 in) +2,050 mm (6 ft 8+3⁄4 in) =• Engine8,075 mm (26 ft 5+7⁄8 in)Length:• Over headstocks9,795 mm (32 ft 1+5⁄8 in)• Over buffers10,595 mm (34 ft 9+1⁄8 in)Height3,400 mm (11 ft 1+7⁄8 in)Axle load7.95 t (7.82 long tons; 8.76 short tons)Adhesive weight31.80 t (31.30 long tons; 35.05 short tons)Empty weight35.15 t (34.59 long tons; 38.75 short tons)Service weight43.68 t (42.99 long tons; 48.15 short tons)Fuel typeCoalFuel capacity1.7 t (1.7 long tons; 1.9 short tons)Water cap.4.25 m3 (935 imp gal; 1,120 US gal)Firebox:• Grate area1.62 m2 (17.4 sq ft)Boiler:• Pitch2,250 mm (7 ft 4+5⁄8 in)• Tube plates3,500 mm (11 ft 5+3⁄4 in)• Small tubes44 mm (1+3⁄4 in), 4 off• Large tubes76 mm (3 in), 69 offBoiler pressure14 bar (14.3 kgf/cm2; 203 psi)Heating surface:• Firebox5.80 m2 (62.4 sq ft)• Tubes1.74 m2 (18.7 sq ft)• Flues53.00 m2 (570.5 sq ft)• Total surface60.54 m2 (651.6 sq ft)Superheater:• Heating area30.60 m2 (329.4 sq ft)CylindersTwo, outsideCylinder size380 mm × 550 mm (14+15⁄16 in × 21+5⁄8 in)Valve gear Heusinger (Walschaerts)

Specifications

Configuration

• Whyte2-8-2 T

• UIC1′D1′ h2t

• GermanK 46.8

Gauge900 mm (2 ft 11+7⁄16 in)

Leading dia.0,550 mm (1 ft 9+5⁄8 in)

Driver dia.1,100 mm (3 ft 7+1⁄4 in)

Trailing dia.0,550 mm (1 ft 9+5⁄8 in)

Wheelbase

• Axle spacing (Asymmetrical)2,050 mm (6 ft 8+3⁄4 in) +1,325 mm (4 ft 4+1⁄8 in) +1,325 mm (4 ft 4+1⁄8 in) +1,325 mm (4 ft 4+1⁄8 in) +2,050 mm (6 ft 8+3⁄4 in) =

• Engine8,075 mm (26 ft 5+7⁄8 in)

Length

• Over headstocks9,795 mm (32 ft 1+5⁄8 in)

• Over buffers10,595 mm (34 ft 9+1⁄8 in)

Height3,400 mm (11 ft 1+7⁄8 in)

Axle load7.95 t (7.82 long tons; 8.76 short tons)

Adhesive weight31.80 t (31.30 long tons; 35.05 short tons)

Empty weight35.15 t (34.59 long tons; 38.75 short tons)

Service weight43.68 t (42.99 long tons; 48.15 short tons)

Fuel typeCoal

Fuel capacity1.7 t (1.7 long tons; 1.9 short tons)

Water cap.4.25 m3 (935 imp gal; 1,120 US gal)

Firebox

• Grate area1.62 m2 (17.4 sq ft)

Boiler

• Pitch2,250 mm (7 ft 4+5⁄8 in)

• Tube plates3,500 mm (11 ft 5+3⁄4 in)

• Small tubes44 mm (1+3⁄4 in), 4 off

• Large tubes76 mm (3 in), 69 off

Boiler pressure14 bar (14.3 kgf/cm2; 203 psi)

Heating surface

• Firebox5.80 m2 (62.4 sq ft)

• Tubes1.74 m2 (18.7 sq ft)

• Flues53.00 m2 (570.5 sq ft)

• Total surface60.54 m2 (651.6 sq ft)

Superheater

• Heating area30.60 m2 (329.4 sq ft)

CylindersTwo, outside

Cylinder size380 mm × 550 mm (14+15⁄16 in × 21+5⁄8 in)

Valve gearHeusinger (Walschaerts)

Performance figuresMaximum speed50 km/h (31 mph)Indicated power460 PS (338 kW; 454 hp)Tractive effort59.33 kN (13,340 lbf)

Performance figures

Maximum speed50 km/h (31 mph)

Indicated power460 PS (338 kW; 454 hp)

Tractive effort59.33 kN (13,340 lbf)

CareerNumbersDRG: 99 321 – 99 323DR: 99 2321 – 99 2323DBAG: 099 231 – 099 233MBB: 99 2321 – 99 2324DispositionAll operational

Career

NumbersDRG: 99 321 – 99 323DR: 99 2321 – 99 2323DBAG: 099 231 – 099 233MBB: 99 2321 – 99 2324

DispositionAll operational

The Class 99.32 engines are 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, in 2009 a fourth Einheitslok was built in Dampflokwerk Meiningen. All four are in service at Kühlungsborn West.

DRG Class 99.32

See also