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DRG Class 01
01 118 at Bahnhofsfest Königstein Pfingsten 2007
Type and origin
Power type
Steam
Builder
AEG (12),
Berliner Maschinenbau (29),
Borsig (18),
Henschel & Sohn (122),
Hohenzollern (12),
Krupp (38)
Build date
1926–1938
Total produced
231 + 10 former Class 02s
Specifications
Configuration:
• Whyte
4-6-2
• UIC
2′C1′ h2
• German
S 36.20
Driver
Second coupled axle
Gauge
1,435 mm (4 ft 8+1⁄2 in)
Leading dia.
01 001–101, 233–242: 850 mm (33+1⁄2 in)
01 102–232: 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)
Wheelbase:
• Axle spacing (Asymmetrical)
2,200 mm (7 ft 2+5⁄8 in) +
1,800 mm (5 ft 10+7⁄8 in) +
2,300 mm (7 ft 6+1⁄2 in) +
2,300 mm (7 ft 6+1⁄2 in) +
3,800 mm (12 ft 5+5⁄8 in)=
• Engine
12,400 mm (40 ft 8+1⁄4 in)
• incl. tender
20,320 mm (66 ft 8 in)
Length:
• Over headstocks
22,640 mm (74 ft 3+3⁄8 in)
• Over buffers
23,940 mm (78 ft 6+1⁄2 in)
Height
4,550 mm (14 ft 11+1⁄8 in)
Axle load
19.73–20.1 tonnes (19.42–19.78 long tons; 21.75–22.16 short tons)
Adhesive weight
59.2–60.2 tonnes (58.3–59.2 long tons; 65.3–66.4 short tons)
Empty weight
99.2–100.1 tonnes (97.6–98.5 long tons; 109.3–110.3 short tons)
Service weight
108.9–111.3 tonnes (107.2–109.5 long tons; 120.0–122.7 short tons)
Tender type
2′2′T 30/32/34
Fuel type
Hard coal
Fuel capacity
10 tonnes (9.8 long tons; 11 short tons)
Water cap.
30 or 32 or 34 m3 (6,600 or 7,000 or 7,500 imp gal; 7,900 or 8,500 or 9,000 US gal)
Firebox:
• Grate area
01 001–149, 233–242: 4.41 m2 (47.5 sq ft)
01 150–232: 4.32 m2 (46.5 sq ft)
Boiler:
• Pitch
3,100 mm (10 ft 2 in)
• Tube plates
01 001–076: 5,800 mm (19 ft 3⁄8 in)
01 077–232: 6,800 mm (22 ft 3+11⁄16 in)
• Small tubes
01 001–076: 54 mm (2+1⁄8 in), 129 off
01 077–232: 70 mm (2+3⁄4 in), 106 off
• Large tubes
01 001–076: 143 mm (5+5⁄8 in), 43 off
01 077–232:171 mm (6+3⁄4 in), 24 off
Boiler pressure
16 bar (16.3 kgf/cm2; 232 psi)
Heating surface:
• Firebox
01 001–149: 17.00 m2 (183.0 sq ft)
01 150–232: 16.90 m2 (181.9 sq ft)
• Tubes
01 001–076, 233–242: 115.18 m2 (1,239.8 sq ft)
01 077–232: 147.19 m2 (1,584.3 sq ft)
• Flues
01 001–076, 233–242: 105.38 m2 (1,134.3 sq ft)
01 077–232: 83.06 m2 (894.1 sq ft)
• Total surface
01 001–076, 233–242: 237.56 m2 (2,557.1 sq ft)
01 077–149: 247.25 m2 (2,661.4 sq ft)
01 150–232: 247.15 m2 (2,660.3 sq ft)
Superheater:
• Heating area
01 001–076, 233–242: 100.00 m2 (1,076.4 sq ft)
01 077–232: 85.00 m2 (914.9 sq ft)
Cylinders
Two, outside
Cylinder size
01 001–010: 650 mm × 660 mm (25.59 in × 25.98 in)
01 012–232: 600 mm × 660 mm (23.62 in × 25.98 in)
Valve gear
Walschaerts (Heusinger) with lifting links
Train heating
Steam
Performance figures
Maximum speed
forwards: 120 or 130 km/h (75 or 81 mph) backwards: 50 km/h (31 mph)
Indicated power
2,240 PS (1,650 kW; 2,210 hp)
Career
Retired
1982
Disposition
17 Preserved, remainder scrapped
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