DR 18 201

Specifications
Specifications
Configuration:;
• Whyte	4-6-2
• German	S 36.20
Gauge	1,435 mm (4 ft 8+1⁄2 in)
Leading dia.	1.1 m (3 ft 7+1⁄4 in)
Driver dia.	2.3 m (7 ft 6+1⁄2 in)
Trailing dia.	1.25 m (4 ft 1+1⁄4 in)
Length:;
• Over beams	25.145 m (82 ft 6 in)
Axle load	20.8 t (20.5 long tons; 22.9 short tons)
Adhesive weight	62.3 t (61.3 long tons; 68.7 short tons)
Empty weight	102.5 t (100.9 long tons; 113.0 short tons) (without tender)
Service weight	113.6 t (111.8 long tons; 125.2 short tons)
Total weight	172 t (169 long tons; 190 short tons)
Tender type	2′2′ T 34 + additional tender
Fuel capacity	13,500 L (3,000 imp gal; 3,600 US gal) oil
Water cap.	34,000 L (7,500 imp gal; 9,000 US gal)
Boiler pressure	16.3 bar (236 psi)
Heating surface:
• Firebox	4.23 m2 (45.5 sq ft)
• Evaporative	206.30 m2 (2,220.6 sq ft)
Superheater:;
• Heating area	83.80 m2 (902.0 sq ft)
Cylinders	3
Cylinder size	520 mm (20+1⁄2 in)
Piston stroke	660 mm (26 in)
Train heating	Steam

DR 18 201
DR 18 201
	18 201
Builder
Type and origin
Builder	RAW Meiningen
Build date	1960
Total produced	1
Configuration:;
Specifications
Configuration:;
• Whyte	4-6-2
• German	S 36.20
Gauge	1,435 mm (4 ft 8+1⁄2 in)
Leading dia.	1.1 m (3 ft 7+1⁄4 in)
Driver dia.	2.3 m (7 ft 6+1⁄2 in)
Trailing dia.	1.25 m (4 ft 1+1⁄4 in)
Length:;
• Over beams	25.145 m (82 ft 6 in)
Axle load	20.8 t (20.5 long tons; 22.9 short tons)
Adhesive weight	62.3 t (61.3 long tons; 68.7 short tons)
Empty weight	102.5 t (100.9 long tons; 113.0 short tons) (without tender)
Service weight	113.6 t (111.8 long tons; 125.2 short tons)
Total weight	172 t (169 long tons; 190 short tons)
Tender type	2′2′ T 34 + additional tender
Fuel capacity	13,500 L (3,000 imp gal; 3,600 US gal) oil
Water cap.	34,000 L (7,500 imp gal; 9,000 US gal)
Boiler pressure	16.3 bar (236 psi)
Heating surface:
• Firebox	4.23 m2 (45.5 sq ft)
• Evaporative	206.30 m2 (2,220.6 sq ft)
Superheater:;
• Heating area	83.80 m2 (902.0 sq ft)
Cylinders	3
Cylinder size	520 mm (20+1⁄2 in)
Piston stroke	660 mm (26 in)
Train heating	Steam
Maximum speed
Performance figures
Maximum speed	182 km/h (113 mph)
Indicated power	1,581 kW (2,120 hp)
Numbers
Career
Numbers	18 201; since 1970: 02 0201-0;

The German express locomotive, number 18 201 of the Deutsche Reichsbahn in East Germany, appeared in 1960–61 at Meiningen Steam Locomotive Works as a conversion of the Henschel-Wegmann train locomotive 61 002, the tender from 44 468 and parts of H 45 024 and Class 41. It is the fastest operational steam locomotive in the world.

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