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Tender Locomotives 0-8-0 „Eight-Coupled”[Inhalt]
UIC Classification D
Badenian VIII a
Germany | 1875 | 12 produced
Hanomag works photo
Hanomag works photo
General
Built1875
ManufacturerHanomag
Axle config0-8-0 (Eight-coupled) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length51 ft 5 3/8 in
Total wheelbase33 ft 3 13/16 in
Empty weight100,531 lbs
Service weight115,522 lbs
Adhesive weight115,522 lbs
Axle load28,440 lbs
Water capacity3,038 us gal
Fuel capacity8,818 lbs (coal)
Power
Power sourcesteam
Estimated power603 hp (450 kW)
Optimal speed15 mph
Top speed28 mph
Starting effort25,138 lbf
Power Plant
Driver diameter48 in
Boiler pressure130 psi
Expansion typesimple
Cylinderstwo, 20 7/8 x 25 in
Boiler
Grate area21.5 sq ft
Firebox area88.3 sq ft
Tube heating area1,865.4 sq ft
Evaporative heating area1,953.6 sq ft
Total heating area1,953.6 sq ft
Calculated Values
steam locomotive
freight
last changed: 08 2023
French Northern Railway No. 4.001 to 4.075 and 4.636 to 4.990
France | 1866 | 430 produced
No. 4,853 in September 2010 at the Longueville Museum
No. 4,853 in September 2010 at the Longueville Museum
Didier Duforest

Over a long period from 1866 to 1891, the Nord had a total of 430 freight locomotives of basically the same type built. With the 0-8-0 wheel arrangement, they were among the most powerful models at the time of their introduction. The nickname “180 Unités” came from a French unit to measure tractive forces. Four units corresponded here, for example, to a freight car with a load of less than ten tonnes, which is pulled on the flat at 50 km/h.

The cylinders, which were quite large with a diameter of 500 mm, were already mounted outside the frame. In reality, the locomotives could pull coal trains weighing 680 tonnes on lines with a maximum gradient of 0.6 percent. At 1.2 percent, 415 tonnes could still be pulled. In later series, the boiler pressure was increased from 8.5 to 10 bars, which increased the train weights accordingly.

The locomotives built after 1879 were fitted with a boiler with a Belpaire firebox. From 1890, a driver's cab was installed ex works. Between 1907 and 1913, 108 locomotives were converted into tank locomotives. Other machines from the Nord-Belge that were almost identical in construction were also converted in this way and used in Belgium.

No. 4.042 in the original version
No. 4.042 in the original version
Die Lokomotive, February 1933

When the SNCF was founded in 1938, only two of the non-converted tender locomotives were still in use. Of the 108 tank locomotives, a total of 104 were still in use. The last of these remained in use as shunting locomotives until 1962. Today only 4.853 survives, which was not converted into a tank locomotive and was used in a sugar refinery until the 1960s.

General
Built1866-1891
ManufacturerFives-Lille, Schneider, Cockerill, Claparède, Floridsdorf, Wiener Neustadt, Cail, Bâtignolles-Châtillon
Axle config0-8-0 (Eight-coupled) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length loco29 ft 10 7/8 in
Wheelbase13 ft 11 5/16 in
Fixed wheelbase13 ft 11 5/16 in
Service weight95,681 lbs
Adhesive weight95,681 lbs
Axle load24,692 lbs
Fuel capacitycoal
Power
Power sourcesteam
Estimated power469 hp (350 kW)
Optimal speed15 mph
Top speed31 mph
Starting effort20,306 lbf
Power Plant
Driver diameter51.2 in
Boiler pressure123 psi
Expansion typesimple
Cylinderstwo, 19 11/16 x 25 9/16 in
Boiler
Grate area22.5 sq ft
Firebox area110.3 sq ft
Tube heating area1,364.6 sq ft
Evaporative heating area1,475 sq ft
Total heating area1,475 sq ft
Calculated Values
steam locomotive
freight
last changed: 03/2023
Great Northern (UK) class K
London & North Eastern classes Q1, Q1s and Q2
Great Britain | 1901 | 55 produced
Locomotive Magazine, June 1901

To haul heavy coal trains from Peterborough to London, Ivatt developed the K class, which was soon dubbed the “Long Tom” because of its longer boiler compared to the six-coupled locomotives. The dimensions of this boiler roughly corresponded to the class 990 or C1 (small boiler) Atlantics. It could generate enough power to haul 60 full wagons of coal. This corresponded to a train weight of 1,052 long tons compared to 681 long tons for the previous, six-coupled freight locomotives. With the cylinder dimensions required for this, it was still possible to arrange the cylinders within the frame. From 1901 a total of 55 engines were made.

Although the engines could handle the required train weights without any problems, the high consumption of coal was noticeable. Therefore, from 1908 almost all engines were superheated, with two different variants being created. The first one, later designated by the LNER as the Q1s class, retained the original cylinder dimensions and piston slides. The other, which later became the LNER's Q2 class, used cylinders with a diameter of 21 instead of 20 inches and piston valves instead of slide valves. Both variants had Schmidt-type superheaters and both had the fully automatic Klinger-type lubrication required for superheated steam operation.

In 1913 number 445 was fitted with the Doncaster superheater developed by Gresley. No other engines with this superheater followed. From 1923, it was listed as class Q3 by the LNER due to the different performance characteristics. In 1914, number 420 was fitted with a significantly larger boiler. Since the other boilers of this type were finally used for the 2-6-0 machines of the K2 class, the 420 remained a one-off.

No. 420 with bigger boiler
No. 420 with bigger boiler
Locomotive Magazine, December 1918

In the 1920's the superheaters were replaced with the Robinson type which were standard on the LNER. With the introduction of the 2-8-0 locomotives of classes O1 and O2, the engines were no longer needed for transporting coal to London and were increasingly used in more northerly areas. During this time they were nicknamed “Sea Pigs” because of their high water consumption compared to other locomotives. From 1926 the retirement began, whereby the few locomotives with wet steam boilers were affected first. By 1935 all Q1s and Q2s were gone and the only Q3 lasted until 1937.

Variantas builtrebuilt Q1srebuilt Q2rebuilt No. 420
General
Built1901-19091908-19201914
ManufacturerDoncaster
Axle config0-8-0 (Eight-coupled) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Wheelbase41 ft 4 in
Fixed wheelbase17 ft 8 in
Service weight122,304 lbs124,768 lbs130,480 lbs135,408 lbs
Adhesive weight122,304 lbs124,768 lbs130,480 lbs135,408 lbs
Total weight213,920 lbs216,384 lbs227,024 lbs231,952 lbs
Axle load33,572 lbs33,600 lbs34,680 lbs36,848 lbs
Water capacity3,700 us gal3,700 us gal
Fuel capacitycoal12,320 lbs (coal)coal12,320 lbs (coal)
Power
Power sourcesteam
Estimated power800 hp (597 kW)900 hp (671 kW)1,000 hp (746 kW)
Optimal speed18 mph21 mph19 mph22 mph
Starting effort28,414 lbf26,836 lbf29,586 lbf
Power Plant
Driver diameter56 in
Boiler pressure180 psi170 psi
Expansion typesimple
Cylinderstwo, 20 x 26 intwo, 21 x 26 in
Boiler
Grate area24.5 sq ft24 sq ft
Firebox area136.8 sq ft135.5 sq ft144 sq ft
Tube heating area1,302.3 sq ft981.5 sq ft1,523 sq ft
Evaporative heating area1,439 sq ft1,117 sq ft1,667 sq ft
Superheater area254 sq ft403 sq ft
Total heating area1,439 sq ft1,371 sq ft2,070 sq ft
Calculated Values
steam locomotive
freight
Henry Alfred Ivatt
last changed: 06/2022
Imperial-Royal State Railways class 73
Austria-Hungary | 1885
Two units double-headed with a freight train consisting of 28 cars
Two units double-headed with a freight train consisting of 28 cars
Stanislaw I. Witkiewicz
Variantas builtincreased boiler pressure
General
Built1885-1909
ManufacturerWiener Neustadt, Floridsdorf, Krauss Linz, StEG, ČKD
Axle config0-8-0 (Eight-coupled) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length54 ft 0 11/16 in
Wheelbase12 ft 9 9/16 in
Fixed wheelbase8 ft 4 3/8 in
Total wheelbase38 ft 2 1/16 in
Empty weight104,719 lbs
Service weight121,475 lbs
Adhesive weight121,475 lbs
Water capacity3,170 us gal
Fuel capacity15,873 lbs (coal)
Power
Power sourcesteam
Estimated power704 hp (525 kW)738 hp (550 kW)
Optimal speed18 mph17 mph
Top speed22 mph
Starting effort24,748 lbf27,223 lbf
Power Plant
Driver diameter43.3 in
Boiler pressure145 psi160 psi
Expansion typesimple
Cylinderstwo, 19 11/16 x 22 7/16 in
Boiler
Grate area24.2 sq ft
Firebox area120.6 sq ft120.7 sq ft
Tube heating area1,838.5 sq ft
Evaporative heating area1,959 sq ft
Total heating area1,959 sq ft
Calculated Values
steam locomotive
freight
last changed: 10 2023
Imperial-Royal Field Railways No. 6
Austria-Hungary | 1902 | only one produced
Works photo of MÁVAG
Works photo of MÁVAG
General
Built1902
ManufacturerMÁVAG
Axle config0-8-0 (Eight-coupled) 
Gauge2 ft 3 9/16 in (Narrow gauge)
Dimensions and Weights
Length16 ft 10 3/16 in
Wheelbase8 ft 0 1/4 in
Fixed wheelbase8 ft 0 1/4 in
Empty weight24,030 lbs
Service weight28,219 lbs
Adhesive weight28,219 lbs
Axle load7,055 lbs
Water capacity528 us gal
Fuel capacity1,323 lbs (coal)
Power
Power sourcesteam
Estimated power101 hp (75 kW)
Optimal speed8 mph
Top speed15 mph
Starting effort8,285 lbf
Power Plant
Driver diameter25.6 in
Boiler pressure203 psi
Expansion typesimple
Cylinderstwo, 10 3/16 x 11 13/16 in
Boiler
Grate area5.6 sq ft
Firebox area26.9 sq ft
Tube heating area211.3 sq ft
Evaporative heating area238.2 sq ft
Total heating area238.2 sq ft
Calculated Values
steam locomotive
narrow gauge
military railway
field railway
last changed: 08 2023
Empress Elisabeth Railway series V
Imperial-Royal State Railways class 70 and Czechoslovak State Railways class 402.0
Austria-Hungary | 1873 | 24 produced
KEB No. 200, later kkStB 70.21 on a builder's photo
KEB No. 200, later kkStB 70.21 on a builder's photo
Lokomotivfabrik Floridsdorf

In 1873, the Kaiserin-Elisabeth-Bahn initially received eight freight locomotives from the Sächsische Maschinenfabrik Hartmann in Chemnitz. One of them received an honorary diploma at the 1873 World Exhibition in Vienna. The next 16 locomotives came from Austria, namely from Wiener Neustadt and Floridsdorf.

These were eight-coupled locomotives with a wheel diameter of 1,106 mm for use on low mountain lines with a low axle load. To run through tighter curves, the fourth axle could be moved laterally by 20 mm. They had outside cylinders but inside valve gear.

When the KEB was nationalized in 1884 they became the kkStB class 70. Shortly thereafter they received new boilers to extend their life. After the First World War, a total of five came to the ČSD, which remained in service for more than 20 years. The two machines of the BBÖ were retired in 1936.

General
Built1873-1875
ManufacturerHartmann, Wiener Neustadt, Floridsdorf
Axle config0-8-0 (Eight-coupled) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length loco30 ft 0 in
Wheelbase11 ft 9 in
Fixed wheelbase7 ft 10 3/8 in
Empty weight83,776 lbs
Service weight93,366 lbs
Adhesive weight93,366 lbs
Axle load23,479 lbs
Water capacity2,695 us gal
Fuel capacity13,228 lbs (coal)
Power
Power sourcesteam
Estimated power536 hp (400 kW)
Optimal speed17 mph
Top speed22 mph
Starting effort20,073 lbf
Power Plant
Driver diameter43.5 in
Boiler pressure145 psi
Expansion typesimple
Cylinderstwo, 17 5/8 x 22 13/16 in
Boiler
Grate area18.8 sq ft
Firebox area101.2 sq ft
Tube heating area1,524 sq ft
Evaporative heating area1,625.1 sq ft
Total heating area1,625.1 sq ft
Calculated Values
steam locomotive
freight
last changed: 03/2023
Imperial Russian Railways series О
Russia | 1890 | 9,129 produced
Version by Sigl, built for the Ryazan-Uralsk Railway
Version by Sigl, built for the Ryazan-Uralsk Railway
Die Lokomotive, June 1919

The railway administrations of the Tsarist Empire combined eight-coupled freight locomotives under the letter О, which made it to a number of more than 9,000 in different versions. The series went back to a type from Maschinenfabrik Esslingen, which had been supplied to several railway administrations from 1878 onwards. In order to follow the trend of the time, the Vladikavkaz railway had two-cylinder compound locomotives based on this type manufactured in Kolomna in 1890, which marked the beginning of the О series.

O<sub>в</sub> No. 324 in August 2015 at the Podmoskovnaya depot in Moscow
Oв No. 324 in August 2015 at the Podmoskovnaya depot in Moscow
Andreykor

From 1893 a unified standard type was manufactured, which had a wheel diameter of only 1,150 mm and cylinders with a diameter of initially 500 and 710 mm with a stroke of 650 mm. After 129 examples were produced, the diameter of the low-pressure cylinder was increased to 730 mm. A total of 1,373 examples of the standard type from 1893 were manufactured by 1899, which were also supplied from Germany and Austria due to the limited capacities of the Russian factories.

Armoured locomotive O<sub>?</sub> No. 5067 in the Central Museum of the Russian Armed Forces
Armoured locomotive O? No. 5067 in the Central Museum of the Russian Armed Forces
Valery Ded

In 1897 a new standard type appeared, of which a total of 3,172 were built by eight Russian factories by 1903. This variant, designated Од, now had a driver diameter of 1,200 mm and a boiler pressure increased from 11 to 11.5 bar.

After two prototypes were completed in 1899 with a Heusinger type valve gear instead of the problematic Joy valve gear, a total of 4,178 examples were built between 1901 and 1907, which also had a Heusinger valve gear. The diameter of the cylinders had been increased to 510 and 740 mm. The two types were designated Ов and Оk and were alternatively known as the 1901 standard type and the 1904 standard type. Between 1908 and 1915 another 190 examples of the Ов were made.

When superheated steam became established in locomotive construction, a few locomotives with superheaters and simple expansion were built between 1908 and 1915. These were given the designation Оп and soon other examples of the earlier series were rebuilt in the same way. After the October Revolution, another 72 pieces were made between 1925 and 1928. Later, some locomotives received boilers with a pressure of 14 bar during conversions. After the introduction of more powerful freight locomotives from the 1930s, they were increasingly used for shunting. The last operations on the route took place in 1964 on a branch line of the Trans-Baikal.

VariantОдОпОп Umbau
General
Built1890-19031890-1915, 1925-19281933-1935
ManufacturerKolomna, Brjansk, Votkinsk, Lugansk, Newski, Kirowwerk, Sormowo, Malyschew-Werk, Sigl, Henschel, BMAG
Axle config0-8-0 (Eight-coupled) 
Gauge4 ft 11 13/16 in (Russian broad gauge)
Dimensions and Weights
Length53 ft 6 1/2 in61 ft 3 7/8 in
Length loco30 ft 4 15/16 in31 ft 8 13/16 in
Wheelbase12 ft 9 1/8 in
Fixed wheelbase12 ft 9 1/8 in
Empty weight99,869 lbs103,617 lbs101,413 lbs
Service weight112,436 lbs119,049 lbs115,522 lbs
Adhesive weight112,436 lbs119,049 lbs115,522 lbs
Axle load28,109 lbs29,762 lbs28,881 lbs
Fuel capacitycoal
Power
Power sourcesteam
Estimated power671 hp (500 kW)838 hp (625 kW)1,039 hp (775 kW)
Optimal speed21 mph15 mph18 mph
Top speed31 mph34 mph
Starting effort20,212 lbf36,011 lbf36,236 lbf
with start valve24,254 lbf
Power Plant
Driver diameter45.3 in47.2 in
Boiler pressure160 psi167 psi203 psi
Expansion typecompoundsimple
Cylinderstwo, HP: 19 11/16 x 25 9/16 in
and LP: 28 3/4 x 25 9/16 in
two, 21 5/8 x 25 9/16 intwo, 19 11/16 x 25 9/16 in
Boiler
Grate area19.9 sq ft
Firebox area115.2 sq ft
Tube heating area1,687.8 sq ft1,264.8 sq ft1,250.8 sq ft
Evaporative heating area1,803 sq ft1,379.9 sq ft1,365.9 sq ft
Superheater area289.5 sq ft442.4 sq ft
Total heating area1,803 sq ft1,669.5 sq ft1,808.3 sq ft
Calculated Values
steam locomotive
freight
last changed: 06/2022
Lancashire & Yorkshire class 30 (Hughes)
London, Midland & Scottish class 6F
Great Britain | 1907 | 80 produced
Locomotive Magazine, August 1907

George Hughes produced his first class 30 locomotive by rebuiding a class 30 locomotive from his predecessor Aspinall to a four-cylinder compound engine. Ten more were created in this form. Other locomotives with two cylinders and simple steam expansion, which were built from 1910 onwards, were also assigned to class 30. 29 of these had been converted from Aspinall's class 30 and 40 more had Hughes built new at Horwich. Later they received superheaters so that they were similar to the class 31. They were assigned to power class 6F by the LMS. The last engines survived the formation of British Railways and were retired in 1951.

Variantcompoundsimple
General
Built19071910-1918
ManufacturerHorwich
Axle config0-8-0 (Eight-coupled) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Service weight136,192 lbs149,632 lbs
Adhesive weight136,192 lbs149,632 lbs
Total weight229,040 lbs242,480 lbs
Axle load34,048 lbs39,200 lbs
Water capacity4,323 us gal
Fuel capacity11,200 lbs (coal)
Power
Power sourcesteam
Starting effort69,901 lbf29,467 lbf
with start valve83,881 lbf
Power Plant
Driver diameter54 in
Boiler pressure180 psi
Expansion typecompoundsimple
Cylindersfour, HP: 155 x 26 in
and LP: 22 x 26 in
two, 20 x 26 in
Boiler
Grate area23.1 sq ft25.6 sq ft
Firebox area147 sq ft190 sq ft
Tube heating area1,767 sq ft2,263 sq ft
Evaporative heating area1,914 sq ft2,453 sq ft
Total heating area1,914 sq ft2,453 sq ft
Calculated Values
steam locomotive
freight
George Hughes
two-axle compound
last changed: 04/2023
London & North Western class A
Great Britain | 1893 | 111 produced
General
Built1893-1900
ManufacturerCrewe
Axle config0-8-0 (Eight-coupled) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Wheelbase17 ft 3 in
Fixed wheelbase17 ft 3 in
Service weight112,000 lbs
Adhesive weight112,000 lbs
Axle load32,256 lbs
Fuel capacitycoal
Power
Power sourcesteam
Estimated power700 hp (522 kW)
Optimal speed22 mph
Starting effort20,208 lbf
with start valve24,250 lbf
Power Plant
Driver diameter53 in
Boiler pressure175 psi
Expansion typecompound
Cylindersthree, HP: 15 x 24 in
and LP: 30 x 24 in
Boiler
Grate area20.5 sq ft
Firebox area115 sq ft
Tube heating area1,490 sq ft
Evaporative heating area1,605 sq ft
Total heating area1,605 sq ft
Calculated Values
steam locomotive
freight
last changed: 03 2024
London & North Western class B “Swami”
Great Britain | 1901 | 170 produced
flickr/stratfordman72

Based on his class A three-cylinder compound, Francis Webb designed the four-cylinder compound class B for the LNWR. Between 1901 and 1904, a total of 170 were built. They earned the nickname “Swami” after magicians who used to disappear in a cloud of smoke. Like their predecessors, they had clearly visible inclined outside cylinders, but here these were smaller. Due to the four cylinders, they were fairly top-heavy with 31 tons on the front two axles and only 22 tons 10 cwt on the rear two axles.

So the numerous rebuilds of class B started when George Whale rebuilt 26 with a leading axle and designated them class E. Ten class F locomotives rebuilt between 1906 and 1908 also had a leading axle, but also a bigger boiler. 32 two-cylinder simples rebuilt between 1912 and 1927 were designated class G. Here the two bigger inside low-pressure cylinders were used as new high-pressure cylinders.

Locomotive Magazine, March 1902

Another more comprehensive rebuild took place between 1917 and 1927 when Bowen Cooke rebuilt 91 class B locomotives to the superheated two-cylinder class G1. Additional locomotives of classes E, F and G and even the rebuilds of the class A were also rebuilt to class G1. Some even lost their leading axle again when the outside cylinders were removed. So the LMS had only taken over 53 unrebuilt locomotives of class B in 1923, but rebuilt more of them. In 1927, only ten unrebuilt locomotives were left over which were withdrawn within a year.

General
Built1901-1904
ManufacturerCrewe
Axle config0-8-0 (Eight-coupled) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Wheelbase17 ft 3 in
Fixed wheelbase17 ft 3 in
Service weight119,840 lbs
Adhesive weight119,840 lbs
Axle load38,528 lbs
Water capacity3,002 us gal
Fuel capacitycoal
Power
Power sourcesteam
Estimated power900 hp (671 kW)
Optimal speed24 mph
Starting effort24,265 lbf
with start valve29,118 lbf
Power Plant
Driver diameter53.5 in
Boiler pressure200 psi
Expansion typecompound
Cylindersfour, HP: 16 x 24 in
and LP: 20 1/2 x 24 in
Boiler
Grate area20.8 sq ft
Firebox area123 sq ft
Tube heating area1,630 sq ft
Evaporative heating area1,753 sq ft
Total heating area1,753 sq ft
Calculated Values
steam locomotive
freight
Webb compound
Francis WIlliam Webb
last changed: 05/2024
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