DRB Class 41

Specifications
Specifications
Configuration:;
• Whyte	2-8-2
• German	G 46.18/G 46.20
Gauge	1,435 mm (4 ft 8+1⁄2 in)
Leading dia.	1,000 mm (39.37 in)
Driver dia.	1,600 mm (62.99 in)
Trailing dia.	1,250 mm (49.21 in)
Wheelbase:
• incl. tender	20,175 mm (66 ft 2 in)
Length:;
• Over beams	23,905 mm (78 ft 5 in)
Axle load	19.7 t (19.4 long tons; 21.7 short tons)
Adhesive weight	70.0 t (68.9 long tons; 77.2 short tons)
Empty weight	92.6 t (91.1 long tons; 102.1 short tons)
Service weight	101.9 t (100.3 long tons; 112.3 short tons)
Tender type	2'2' T 34
Fuel capacity	10.0 t (9.8 long tons; 11.0 short tons) coal
Water cap.	34.0 m3 (1,200 cu ft)
Boiler:;
• Model	Original, old-style, boiler
No. of heating tubes	85
No. of smoke tubes	20
Heating tube length	6,800 mm (22 ft 4 in)
Boiler pressure	20 bar (2,000 kPa; 290 psi)
Heating surface:
• Tubes	187.25 m2 (2,015.5 sq ft)
• Firebox	3.89 m2 (41.9 sq ft)
• Radiative	15.90 m2 (171.1 sq ft)
• Evaporative	203.65 m2 (2,192.1 sq ft)
Superheater:;
• Heating area	72.22 m2 (777.4 sq ft)
Cylinders	2
Cylinder size	520 mm (20.47 in)
Piston stroke	720 mm (28.35 in)
Train control	Walschaerts (Heusinger)
Train heating	Steam
Loco brake	Knorr
Auxiliary brake	yes

Type and origin
Type and origin
Builder	Berliner Maschinenbau (25); Borsig (73); Maschinenfabrik Esslingen (35); Henschel & Sohn (86); Arnold Jung Lokomotivfabrik (40); Krauss-Maffei (18); Krupp (31); Orenstein & Koppel (21); Schichau-Werke (37);
Build date	1937–1941
Total produced	366

DRB Class 41
DRB Class 41
	BR 41 360
Builder
Type and origin
Builder	Berliner Maschinenbau (25); Borsig (73); Maschinenfabrik Esslingen (35); Henschel & Sohn (86); Arnold Jung Lokomotivfabrik (40); Krauss-Maffei (18); Krupp (31); Orenstein & Koppel (21); Schichau-Werke (37);
Build date	1937–1941
Total produced	366
Configuration:;
Specifications
Configuration:;
• Whyte	2-8-2
• German	G 46.18/G 46.20
Gauge	1,435 mm (4 ft 8+1⁄2 in)
Leading dia.	1,000 mm (39.37 in)
Driver dia.	1,600 mm (62.99 in)
Trailing dia.	1,250 mm (49.21 in)
Wheelbase:
• incl. tender	20,175 mm (66 ft 2 in)
Length:;
• Over beams	23,905 mm (78 ft 5 in)
Axle load	19.7 t (19.4 long tons; 21.7 short tons)
Adhesive weight	70.0 t (68.9 long tons; 77.2 short tons)
Empty weight	92.6 t (91.1 long tons; 102.1 short tons)
Service weight	101.9 t (100.3 long tons; 112.3 short tons)
Tender type	2'2' T 34
Fuel capacity	10.0 t (9.8 long tons; 11.0 short tons) coal
Water cap.	34.0 m3 (1,200 cu ft)
Boiler:;
• Model	Original, old-style, boiler
No. of heating tubes	85
No. of smoke tubes	20
Heating tube length	6,800 mm (22 ft 4 in)
Boiler pressure	20 bar (2,000 kPa; 290 psi)
Heating surface:
• Tubes	187.25 m2 (2,015.5 sq ft)
• Firebox	3.89 m2 (41.9 sq ft)
• Radiative	15.90 m2 (171.1 sq ft)
• Evaporative	203.65 m2 (2,192.1 sq ft)
Superheater:;
• Heating area	72.22 m2 (777.4 sq ft)
Cylinders	2
Cylinder size	520 mm (20.47 in)
Piston stroke	720 mm (28.35 in)
Train control	Walschaerts (Heusinger)
Train heating	Steam
Loco brake	Knorr
Auxiliary brake	yes
Maximum speed
Performance figures
Maximum speed	90 km/h (56 mph) forward; 50 km/h (31 mph) reverse
Indicated power	1,397 kW (1,873 hp)
Numbers
Career
Numbers	41 001–366
Retired	1986

The German Class 41 steam locomotives were standard goods train engines (Einheitslokomotiven) operated by the Deutsche Reichsbahn (DRB) and built from 1937 to 1941.

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