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DRG Class 03 DB Class 003 PKP class Pm2
03 001 at the 2002 Dresden Steam Locomotive Festival
Type and origin
Power type
Steam
Builder
Borsig (116)
Berliner Maschinenbau (64)
Henschel & Sohn (66)
Krupp (52)
Build date
1930–1937
Total produced
298
Specifications
Configuration:
• Whyte
4-6-2
• UIC
2′C1′ h2
• German
03 001–122: S 36.17
03 123–298: S 36.18
Gauge
1,435 mm (4 ft 8+1⁄2 in)
Leading dia.
03 001–162: 850 mm (33+1⁄2 in)
03 163–298: 1,000 mm (39+3⁄8 in)
Driver dia.
2,000 mm (78+3⁄4 in)
Trailing dia.
1,250 mm (49+1⁄4 in)
Tender wheels
1,000 mm (39+3⁄8 in)
Wheelbase:
• Axle spacing (Asymmetrical)
2,200 mm (7 ft 2+5⁄8 in) +
1,800 mm (5 ft 10+7⁄8 in) +
2,250 mm (7 ft 4+5⁄8 in) +
2,250 mm (7 ft 4+5⁄8 in) +
3,500 mm (11 ft 5+3⁄4 in)
• Engine
12,000 mm (39 ft 4+1⁄2 in)
• Tender
5,700 mm (18 ft 8+3⁄8 in)
• Tender bogie
1,900 mm (6 ft 2+3⁄4 in)
• incl. tender
20,225 mm (66 ft 4+1⁄4 in)
Length:
• Over headstocks
22,605 mm (74 ft 2 in)
• Over buffers
23,905 mm (78 ft 5+1⁄8 in)
Height
4,550 mm (14 ft 11+1⁄8 in)
Axle load
03 001–162: 17.7 tonnes (17.4 long tons; 19.5 short tons)
03 163–298: 18.1 tonnes (17.8 long tons; 20.0 short tons)
Adhesive weight
03 001–122: 53.0 tonnes (52.2 long tons; 58.4 short tons)
03 123–298: 54.3 tonnes (53.4 long tons; 59.9 short tons)
Empty weight
03 001–122: 90.4 tonnes (89.0 long tons; 99.6 short tons)
03 123–298: 91.0 tonnes (89.6 long tons; 100.3 short tons)
Service weight
03 001–122: 99.6 tonnes (98.0 long tons; 109.8 short tons)
03 123–298: 100.3 tonnes (98.7 long tons; 110.6 short tons)
Tender type
03 001–003: 2′2 T 30
03 004–122: 2′2′ T 32
03 123–298: 2′2′ T 34
Fuel type
Coal
Fuel capacity
10 tonnes (9.8 long tons; 11 short tons)
Water cap.
30 or 32 or 34 m3 (1,100 or 1,100 or 1,200 cu ft)
Firebox:
• Grate area
03 001–162: 4.05 m2 (43.6 sq ft)
03 163–298: 4.09 m2 (44.0 sq ft)
Boiler:
• Pitch
3,100 mm (10 ft 2 in)
• Tube plates
6,800 mm (22 ft 3+3⁄4 in)
• Small tubes
03 001–162: 70 mm (2+3⁄4 in), 84 off
03 163–298: 70 mm (2+3⁄4 in), 85 off
• Large tubes
171 mm (6+3⁄4 in), 20 off
Boiler pressure
16.0 bar (16.3 kgf/cm2; 232 psi)
Heating surface:
• Firebox
16.10 m2 (173.3 sq ft)
• Tubes
116.50 or 117.88 m2 (1,254.0 or 1,268.8 sq ft)
• Flues
69.62 m2 (749.4 sq ft)
• Total surface
202.22 or 203.65 m2 (2,176.7 or 2,192.1 sq ft)
Superheater:
• Heating area
03 001–162: 70.0 m2 (753 sq ft)
03 163–298: 72.2 m2 (777 sq ft)
Cylinders
Two, outside
Cylinder size
570 mm × 660 mm (22+7⁄16 in × 26 in) on 03 001-003 originally: 600 mm × 660 mm (23+5⁄8 in × 26 in)
Valve gear
outside Walschaerts
Train heating
Steam
Loco brake
automatic, single-chamber Knorr compressed air brakes to 03 162 coupled and bogie wheels, one-sided, from 03 163 both sides of coupled wheels and one-sided on trailing wheels
Performance figures
Maximum speed
03 001–162: 120 km/h (75 mph)
03 163–298: 130 km/h (81 mph)
Reverse: 50 km/h (31 mph)
Indicated power
1,970 PS (1,449 kW; 1,943 hp)
Tractive effort
161.8 kN (36,400 lbf)
Career
Numbers
03 001 – 03 298
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