NSB 4-4-0 Locomotives in Norway


Class Details by Steve Llanso of Sweat House Media

Class Class 13a (Locobase 6154)

Data from:

Svein Sando's Railway Site [link] (9 June 2004)--(Later link: The Semaphore, accessed for link update 10 July 2022.)--and the Jernbane (Iron Road) site [link] (June 2004).

This nonet of high-wheeled passenger engines came in several batches -- in 1891, 1893, 1894, and 1898 -- from several builders -- Dubs (2), Hartmann (3), Nyland (2), and SLM (2). Two or three (69 "og" 71) were converted to 13b simple-expansion engines; see Locobase 6155.


Class Class 13b/16b/16c (Locobase 6155)

Data from:

Svein Sando's Railway Site [link] (9 June 2004)--(Later link: The Semaphore, accessed for link update 10 July 2022.)--and the Jernbane (Iron Road) site [link] (June 2004).

When the NSB superheated two of the Class 13 eight-wheelers, they seem to have used the same boiler as the Class 11d 2-6-0 upgrade. The tender also grew slightly. Even with the relatively tall drivers, the boilers seem overmatched.

As with so many Norwegian locomotives, however, their light-footedness ensured a long life and the two 13bs were retired only in 1954. One or more Class 16a were converted to the same specifications as the 13bs.


Class Class 9 (Locobase 6142)

Data from:

Svein Sando's Railway Site [link] (9 June 2004)--(Later link: The Semaphore, accessed for link update 10 July 2022.)--and the Jernbane (Iron Road) site [link] (June 2004).

Among the first Norwegian classes to enter series production, these eight-wheelers were produced by Nydqvist & Holm, AB and Beyer, Peacock. Beyer, Peacock delivered the first 12 in batches of 10 (1877 - works# 1665-1674) and 2 (1879 - works# 1868-1869). N & H delivered theirs in 1880-1882.

The last two to be retired were 115 & 116, both of which were withdrawn on 19 Sept 1953.


Class Type XIII (Locobase 11872)

Data from:

Svein Sando's Railway Site [link] (9 June 2004)--(Later link: The Semaphore, accessed for link update 10 July 2022.)--and the Jernbane (Iron Road) site http://jernbane.net (June 2004). See also Sachsische Maschinenfabrik Richard Hartmann: alle Lokomotiven 1910, a catalogue previewed in Google Books (last accessed 11 Dec 2010). See also Frank Stamford's 27 December 2010 entry "No.7 - 3 ft 6 in gauge 4-4-0 locomotive at Hamar" at [link], last accessed 2 September 2019. Dubs produced the first four in 1893-1895, Hartmann followed with three more in 1895-1900, and two from the Thunes workshops is in Kristiania (renamed Oslo in 1925).

Stamford's description and photos include some quite evocative images that highlight the wood tones of the all-weather cab. The #7 is commemorated as the first locomotive to be built at the in-country workshop. It was rated at a maximum speed of 50 kph (31 mph).

Principal Dimensions by Steve Llanso of Middle Run Media
ClassClass 13aClass 13b/16b/16cClass 9Type XIII
Locobase ID6154 6155 6142 11872
RailroadNSBNSBNSBNSB
CountryNorwayNorwayNorwayNorway
Whyte4-4-04-4-04-4-04-4-0
Number in Class92242
Road Numbers68-74, 102-10369, 71/29-31,4 1-48, 53-63, 115-117
GaugeStdStdStd3'6"
Number Built924
Builderseveralseveralseveral
Year189118771893
Valve GearStephensonStephensonStephensonWalschaert
Locomotive Length and Weight
Driver Wheelbase (ft / m) 6.23 / 1.90
Engine Wheelbase (ft / m)12.75 / 3.89
Ratio of driving wheelbase to overall engine wheelbase 0.49
Overall Wheelbase (engine & tender) (ft / m)37.11 / 11.3137.11 / 11.3134.25 / 10.44
Axle Loading (Maximum Weight per Axle) (lbs / kg)15,212 / 6900
Weight on Drivers (lbs / kg)47,399 / 21,50048,061 / 21,80043,431 / 19,70031,482 / 14,280
Engine Weight (lbs / kg)81,350 / 36,90083,335 / 37,80069,00571,871 / 32,600
Tender Loaded Weight (lbs / kg)46,077 / 20,90048,061 / 21,80037,25848,061 / 21,800
Total Engine and Tender Weight (lbs / kg)127,427 / 57,800131,396 / 59,600106,263119,932 / 54,400
Tender Water Capacity (gals / ML)1848 / 5.302033 / 5.301400 / 5.30821 / 3.11
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) 2.80 / 3 2.80 / 3 2.80 / 3 1.10 / 1
Minimum weight of rail (calculated) (lb/yd / kg/m)39 / 19.5040 / 2036 / 1826 / 13
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)68.90 / 175068.90 / 175057 / 144855.70 / 1415
Boiler Pressure (psi / kPa)174 / 1200174 / 1200142.10 / 980169.70 / 1170
High Pressure Cylinders (dia x stroke) (in / mm)15.75" x 24" / 400x610 (1)16.75" x 24" / 425x61015" x 20" / 381x50812.6" x 17.99" / 320x457 (1)
Low Pressure Cylinders (dia x stroke) (in / mm)23" x 24" / 585x610 (1)18.9" x 17.99" / 480x457 (1)
Tractive Effort (lbs / kg)8700 / 3946.2614,454 / 6556.239536 / 4325.465121 / 2322.85
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.45 3.33 4.55 6.15
Heating Ability
Tubes (number - dia) (in / mm)
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)
Firebox Area (sq ft / m2)48.55 / 4.51
Grate Area (sq ft / m2)14 / 1.3014 / 1.3014 / 1.30 7.97 / 0.74
Evaporative Heating Surface (sq ft / m2)868 / 80.70719 / 66.80795 / 73.90458 / 42.55
Superheating Surface (sq ft / m2)198 / 18.40
Combined Heating Surface (sq ft / m2)868 / 80.70917 / 85.20795 / 73.90458 / 42.55
Evaporative Heating Surface/Cylinder Volume320.78117.47194.35352.82
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2436243619891353
Same as above plus superheater percentage2436297219891353
Same as above but substitute firebox area for grate area8239
Power L13780
Power MT529.41

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