NSB Class 22

Specifications
Specifications
Configuration:;
• Whyte	2-8-0
• UIC	1'D
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Wheelbase	2825 mm (9ft 3.2in)
Length	16.385 mm (53 ft 8.8in)
Loco weight	22a: 49.6 t (54.7 short tons; 48.8 long tons) ; 22b: 51.2 t (56.4 short tons; 50.4 long tons) ;
Tender weight	16.6 t (18.3 short tons; 16.3 long tons)
Total weight	22a: 91 t (100 short tons; 90 long tons) ; 22b: 92.6 t (102.1 short tons; 91.1 long tons) ;
Fuel type	Coal
Fuel capacity	4 t (4.4 short tons; 3.9 long tons)
Water cap.	15 m3 (3,300 imp gal)
Firebox:
• Grate area	2.13 m2 (22.9 sq ft)
Boiler pressure	13 kg/cm2 (180 psi)
Heating surface:
• Firebox	22a: 130.3 m2 (1,403 sq ft) ; 22b: 108.3 m2 (1,166 sq ft) ;
Superheater:;
• Heating area	22b: 36.3 m2 (391 sq ft)
Cylinders	2
Cylinder size	22b: 570 mm × 640 mm (22 in × 25 in)
High-pressure cylinder	22a: 490 mm × 640 mm (19 in × 25 in)
Low-pressure cylinder	22a: 730 mm × 640 mm (29 in × 25 in)

Type and origin
Type and origin
Power type	Steam
Builder	Hamar, Thune
Build date	1906–1908
Total produced	6

NSB type 22
NSB type 22
Power type
Type and origin
Power type	Steam
Builder	Hamar, Thune
Build date	1906–1908
Total produced	6
Configuration:;
Specifications
Configuration:;
• Whyte	2-8-0
• UIC	1'D
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Wheelbase	2825 mm (9ft 3.2in)
Length	16.385 mm (53 ft 8.8in)
Loco weight	22a: 49.6 t (54.7 short tons; 48.8 long tons) ; 22b: 51.2 t (56.4 short tons; 50.4 long tons) ;
Tender weight	16.6 t (18.3 short tons; 16.3 long tons)
Total weight	22a: 91 t (100 short tons; 90 long tons) ; 22b: 92.6 t (102.1 short tons; 91.1 long tons) ;
Fuel type	Coal
Fuel capacity	4 t (4.4 short tons; 3.9 long tons)
Water cap.	15 m3 (3,300 imp gal)
Firebox:
• Grate area	2.13 m2 (22.9 sq ft)
Boiler pressure	13 kg/cm2 (180 psi)
Heating surface:
• Firebox	22a: 130.3 m2 (1,403 sq ft) ; 22b: 108.3 m2 (1,166 sq ft) ;
Superheater:;
• Heating area	22b: 36.3 m2 (391 sq ft)
Cylinders	2
Cylinder size	22b: 570 mm × 640 mm (22 in × 25 in)
High-pressure cylinder	22a: 490 mm × 640 mm (19 in × 25 in)
Low-pressure cylinder	22a: 730 mm × 640 mm (29 in × 25 in)
Maximum speed
Performance figures
Maximum speed	Forward and Reverse ; 22a: 40 km/h (25 mph) ; after 1925: 45 km/h (28 mph) ; 22b: 45 km/h (28 mph) ;
Factor of adh.	22a: 46.6 t (51.4 short tons; 45.9 long tons) ; 22b: 48 t (53 short tons; 47 long tons) ;
Operators
Career
Operators	Norwegian State Railways
Withdrawn	1906–1958
Preserved	None, All scrapped

The NSB Type 22 steam locomotives were built between 1906 and 1908 by Thunes mekaniske verksted and Hamar Jernstøberi for the Norges Statsbaner (NSB), the state railway company in Norway.