Divided: inside high-pressure cylinders to first coupled axle, outside low-pressure cylinders to second
Gauge
1,435 mm (4 ft 8+1⁄2 in)
Leading dia.
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
1,900 mm (6 ft 2+3⁄4 in) +
1,900 mm (6 ft 2+3⁄4 in) +
1,900 mm (6 ft 2+3⁄4 in) =
5,700 mm (18 ft 8+3⁄8 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
18.78–18.79 tonnes (18.48–18.49 long tons; 20.70–20.71 short tons)
Adhesive weight
54.9–57.6 tonnes (54.0–56.7 long tons; 60.5–63.5 short tons)
Empty weight
97.0–118.5 tonnes (95.5–116.6 long tons; 106.9–130.6 short tons)
Service weight
106.3–129.9 tonnes (104.6–127.8 long tons; 117.2–143.2 short tons)
Tender type
2′2′ T 32
Fuel type
Coal
Fuel capacity
10 tonnes (9.8 long tons; 11 short tons)
Water cap.
32 m3 (7,000 imp gal; 8,500 US gal)
Firebox:
• Grate area
4.10 m2 (44.1 sq ft)
Boiler:
• Pitch
3,100 mm (10 ft 2 in) +
• Tube plates
04 001: 5,800 mm (19 ft 3⁄8 in)
04 002: 6,800 mm (22 ft 3+3⁄4 in)
• Small tubes
04 001: 54 mm (2+1⁄8 in), 84 off
04 002: 70 mm (2+3⁄4 in), 75 off
• Large tubes
04 001: 143 mm (5+5⁄8 in), 38 off
04 002: 171 mm (6+3⁄4 in), 24 off
Boiler pressure
25 bar (25.5 kgf/cm2; 363 psi)
Heating surface:
• Firebox
20 m2 (220 sq ft)
• Tubes
04 001: 75.1 m2 (808 sq ft)
04 002: 104.3 m2 (1,123 sq ft)
• Flues
04 001: 93.5 m2 (1,006 sq ft)
04 002: 82.5 m2 (888 sq ft)
• Total surface
04 001: 188.6 m2 (2,030 sq ft)
04 002: 206.8 m2 (2,226 sq ft)
Superheater:
• Heating area
04 001: 88.0 m2 (947 sq ft)
04 002: 84.6 m2 (911 sq ft)
Cylinders
Four, compound: HP inside, LP outside
High-pressure cylinder
350 mm × 660 mm (13+3⁄4 in × 26 in)
Low-pressure cylinder
520 mm × 660 mm (20+1⁄2 in × 26 in)
Valve gear
Heusinger (Walschaerts)
Performance figures
Maximum speed
130 km/h (81 mph)
Indicated power
2,100–2,320 PS (1,540–1,710 kW; 2,070–2,290 hp) (depending on build state)
Career
Operators
Deutsche Reichsbahn
Numbers
DRG 04 001 and 04 002 from 1935: 02 101 and 02 102
Retired
1939
Disposition
Both scrapped
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