From Wikipedia, the free encyclopedia
HNJ Mb
G12 no:43 leaving Halmstad Station in 1931
Type and origin
Power typeSteam
Builder NOHAB
Build date1931–1936
Specifications
Configuration:
 •  Whyte 4-8-0
 •  UIC2′D h3
Gauge1,435 mm (4 ft 8+12 in) standard gauge
Leading dia.900 mm (2 ft 11 in)
Driver dia.1,400 mm (4 ft 7 in)
Length18,000 mm (59 ft 1 in)
Loco weight73.5 tonnes (72.3 long tons; 81.0 short tons)
Total weight111.5 tonnes (109.7 long tons; 122.9 short tons)
Fuel type Coal
Fuel capacity5.0 tonnes (4.9 long tons; 5.5 short tons)
Water cap.15.0 m3 (3,300 imp gal; 4,000 US gal)
CylindersThree
Performance figures
Maximum speed70 km/h (43 mph)
Tractive effort12.1  Mp (119  kN; 27,000  lbf)
Career
Operators
Number in class6
Disposition Scrapped
References: [1]

The Mb, later G12 class of Halmstad–Nässjö Järnväg (HNJ), known after nationalization in 1945 as the E9 class of the Swedish State Railways (SJ), was a type of steam locomotive built primarily for freight traffic. They were the basis for the nearly identical SJ E10 class.

History

Three Mb class three-cylinder 4-8-0 locomotives were built by NOHAB for HNJ in 1931, based on an older type, the 2-8-0 M class built in Germany in 1922. [1] [2] HNJ changed their type designations the year after, and the Mb class became the G12 class, where G meant that they were intended for freight trains ( Swedish: godståg). [2] Three more G12 class locomotives were built in 1936. [1]

Despite their designation the locomotives were also used in passenger trains. [3] They remained on the HNJ network after nationalization in 1945, but were also used on the line between Alvesta and Borås. [1] SJ referred to the type as the E9 class. [3] They were in service until 1959, and were then placed in reserve. [1] They were scrapped between 1974 and 1976, and none have been preserved. [2]

In the 1940s the Swedish State Railways (SJ) saw a need for modern steam locomotives for freight traffic on the Inland Line and in southern Norrland. [3] NOHAB built ten E10 class locomotives in 1947 from the same blueprints, but with some modifications. [1] The E10 class locomotives were in use until the 1960s. [3]

References

  1. ^ a b c d e f Diehl, Ulf; Fjeld, Ulf; Nilsson, Lennart (1973). Normalspåriga ånglok vid Statens Järnvägar (in Swedish). Svenska Järnvägsklubben. pp. 72–73. ISBN  91-85098-13-2.
  2. ^ a b c Karlsson, Lars Olov (2012). Ånglok vid Sveriges normalspåriga enskilda järnvägar. Del 1. BJ–LyJ (in Swedish). Malmö: Frank Stenvalls Förlag. pp. 128–131. ISBN  978-91-7266-182-0.
  3. ^ a b c d Karlsson, Lars Olov (2008). SJ:s ånglok (in Swedish). Frank Stenvalls Förlag. p. 93. ISBN  978-91-7266-171-4.
From Wikipedia, the free encyclopedia
HNJ Mb
G12 no:43 leaving Halmstad Station in 1931
Type and origin
Power typeSteam
Builder NOHAB
Build date1931–1936
Specifications
Configuration:
 •  Whyte 4-8-0
 •  UIC2′D h3
Gauge1,435 mm (4 ft 8+12 in) standard gauge
Leading dia.900 mm (2 ft 11 in)
Driver dia.1,400 mm (4 ft 7 in)
Length18,000 mm (59 ft 1 in)
Loco weight73.5 tonnes (72.3 long tons; 81.0 short tons)
Total weight111.5 tonnes (109.7 long tons; 122.9 short tons)
Fuel type Coal
Fuel capacity5.0 tonnes (4.9 long tons; 5.5 short tons)
Water cap.15.0 m3 (3,300 imp gal; 4,000 US gal)
CylindersThree
Performance figures
Maximum speed70 km/h (43 mph)
Tractive effort12.1  Mp (119  kN; 27,000  lbf)
Career
Operators
Number in class6
Disposition Scrapped
References: [1]

The Mb, later G12 class of Halmstad–Nässjö Järnväg (HNJ), known after nationalization in 1945 as the E9 class of the Swedish State Railways (SJ), was a type of steam locomotive built primarily for freight traffic. They were the basis for the nearly identical SJ E10 class.

History

Three Mb class three-cylinder 4-8-0 locomotives were built by NOHAB for HNJ in 1931, based on an older type, the 2-8-0 M class built in Germany in 1922. [1] [2] HNJ changed their type designations the year after, and the Mb class became the G12 class, where G meant that they were intended for freight trains ( Swedish: godståg). [2] Three more G12 class locomotives were built in 1936. [1]

Despite their designation the locomotives were also used in passenger trains. [3] They remained on the HNJ network after nationalization in 1945, but were also used on the line between Alvesta and Borås. [1] SJ referred to the type as the E9 class. [3] They were in service until 1959, and were then placed in reserve. [1] They were scrapped between 1974 and 1976, and none have been preserved. [2]

In the 1940s the Swedish State Railways (SJ) saw a need for modern steam locomotives for freight traffic on the Inland Line and in southern Norrland. [3] NOHAB built ten E10 class locomotives in 1947 from the same blueprints, but with some modifications. [1] The E10 class locomotives were in use until the 1960s. [3]

References

  1. ^ a b c d e f Diehl, Ulf; Fjeld, Ulf; Nilsson, Lennart (1973). Normalspåriga ånglok vid Statens Järnvägar (in Swedish). Svenska Järnvägsklubben. pp. 72–73. ISBN  91-85098-13-2.
  2. ^ a b c Karlsson, Lars Olov (2012). Ånglok vid Sveriges normalspåriga enskilda järnvägar. Del 1. BJ–LyJ (in Swedish). Malmö: Frank Stenvalls Förlag. pp. 128–131. ISBN  978-91-7266-182-0.
  3. ^ a b c d Karlsson, Lars Olov (2008). SJ:s ånglok (in Swedish). Frank Stenvalls Förlag. p. 93. ISBN  978-91-7266-171-4.

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