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Steam
Tender Locomotives with up to Two Coupled Axles
0-2-2 and 2-2-0
0-4-0
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4-2-2
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Alsace-Lorraine A 18
Austrian Southern Railway classes 17a to 17d
Baden II a
Baden II c
Baden XII
Bavarian B XI
Caledonian class 721 “Dunalastair I to IV”
Caledonian classes 113 and 72 “Dunalastair V”
Cambrian Railways class 61
Canadian Pacific No. 283
Canadian Pacific No. 371 to 378
Cape Government Railways class 1 4-4-0
Central Pacific No. 60 “Jupiter”
Delaware, Lackawanna & Western classes G-2 to G-9
Egyptian State Railway class 16
French Eastern Railway No. 801 to 840
Great Central class 11E “Directors”
Great Central class 11F “Improved Directors Class”
Great Central classes 11B, C and D
Great Eastern classes S46 “Claud Hamilton”, D56 “Belpaire Claud” and H88 “Super Claud”
Great North of Scotland classes V and F
Great North of Scotland No. 28 to 36
Great Western Railway class 3200 “Earl” / “Dukedog”
Great Western Railway class 3300 “Bulldog” and 3441 “Bird”
Great Western Railway class 3700 “City”
Great Western Railway class 3800 “County”
Great Western Railway classes 4100 “Badminton”, 4120 “Atbara” and 4149 “Flower”
Highland Railway class F “Duke”
Highland Railway class L “Skye Bogies”
Highland Railway classes C “Small Ben” and U “Large Ben”
Hungarian State Railways and Košice–Bohumín Railway series Ia
Imperial-Royal Northern State Railway “Wyschrad” to “Marienbad”
Imperial-Royal State Railways and Austrian Southern Railway class 106
Imperial-Royal State Railways and Austrian Southern Railway class 206
Imperial-Royal State Railways class 6
Lancashire & Yorkshire class 629
London & North Western Alfred the Great class
London & North Western Jubilee class
London & North Western Whale Precursor class
London & South Western class C8
London & South Western class L12 “Bulldogs”
London, Brighton & South Coast classes B2, B2s and B3
London, Brighton & South Coast classes B4 and B4x
London, Chatham & Dover classes M, M1 and M2
London, Midland & Scottish class 4P Compound 4-4-0
Midland & Great Northern Joint class C
Midland class 1000
Midland class 3
Midland Great Western class A
Midland Railway of Western Australia class B
Milwaukee & Mississippi No. 40
New South Wales classes C.79, C.80 and CC.79
New York Central No. 999
North British class J “Scott”
North British class M 4-4-0
North Eastern class R
North Eastern classes M1 and Q
North-East Railway A 2/4
Paris-Lyon-Méditerranée C 61 to C 180
Pennsylvania class AAn
Pennsylvania class L
Pennsylvania class P (later D14a)
Philadelphia & Reading No. 100
Prussian P 41
Prussian P 42
Prussian S 2
Prussian S 3
Prussian S 4
Prussian S 5
Prussian S 6
São Paulo Railway No. 19 and 20
São Paulo Railway No. 9 to 11
Saxon VIII 2
Saxon VIII V 1
Saxon VIII V 2
South Eastern & Chatham class D
South Manchurian Railway Amei class
Southern Railway (UK) class V “Schools”
State Railway Company class 26
Union Pacific No. 119
Western & Atlantic “General”
Western & Atlantic No. 49 “Texas”
Württemberg AD and ADh
Württemberg III
Württemberg VII
2-4-2
4-4-2
4-4-4 “Reading” and 4-4-6 “Thuile”
Tender Locomotives with Three Coupled Axles
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Tank Locomotives Four and More Coupled Axles
Articulated and Bogie
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Page views since 2023-01-26: 2163978
North Eastern class R
London & North Eastern class D20
go back
Great Britain | 1899
60 produced
Image of locomotive
Locomotive Magazine, January 1901

Developed by Wilson Worsdell, the Class R was a 4-4-0 with larger dimensions than had previously been the norm for this wheel arrangement in Britain. From 1899 30 were built and another 30 in 1906 and 1907. During World War I they were rebuilt with a superheater. At the LNER they became the D20. After some received new piston valves in 1936, the rebuilt ones became the D20/2 class and the remainder the D20/1. The British Railways received 49 of the original 60 locomotives, these disappeared by 1957. So far there is only a short text for this vehicle. In the future it will be described in more detail.

Variantas builtsuperheated
General
Built1899-19071915
ManufacturerGateshead
Axle config4-4-0 (American) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Wheelbase23 ft 9 in
Rigid wheelbase9 ft 6 in
Total wheelbase46 ft 3 in
Service weight115,808 lbs
Adhesive weight78,960 lbs
Total weight200,704 lbs
Axle load44,016 lbs44,352 lbs
Water capacity4,248 us gal
Fuel capacity11,200 lbs (coal)
Boiler
Grate area20 sq ft
Firebox area144 sq ft139 sq ft
Tube heating area1,383 sq ft981 sq ft
Evaporative heating area1,527 sq ft1,120 sq ft
Superheater area204 sq ft
Total heating area1,527 sq ft1,324 sq ft
Variantas builtsuperheated
Power Plant
Driver diameter82 in
Boiler pressure200 psi
Expansion typesimple
Cylinderstwo, 19 x 26 in
Power
Power sourcesteam
Estimated power825 hp (615 kW)1,025 hp (764 kW)
Starting effort19,459 lbf
Calculated Values
Optimal speed27 mph34 mph
steam locomotive
express
Wilson Worsdell
last changed: 07/2023
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