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Record: 10408 (31/12/2024)
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LNWR/LMS Webb "4ft 6 Tank" Class 2-4-2T
Class Types
LNWR Class |
4ft 6 Tanks |
General
Designer |
Francis Webb |
Introduced |
1879 |
Pre-Grouping Company |
London and North Western Railway |
Grouping Company |
London, Midland & Scottish Railway |
Wheel Arrangement |
2-4-2T |
Number Built as 4ft 6 Tank |
220 |
Conversions to other classes |
5 |
First in Service |
01/1879 |
Last in Service |
1933 |
Manufacturers |
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Orders |
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Historical Data |
Renewals of 2-4-0T. As with all renewals, barely any, if at all, material was used and these engines are effectively new. Extended version of the 2-4-0T. Originally built for local traffic but then found to be ideal for motor work - almost all were converted as such later on (although 20 were fitted from new). Vacuum brakes fitted from 1912. Five were rebuilt as 2-4-0Ts. |
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Power
Variant Introduced |
1879 |
Inside Cylinders |
17" x 20" (2 off) |
Wheels
Pony |
3' 3" |
Drivers |
4' 6" |
Truck |
3' 3" |
Locomotive Wheelbase |
22' 3" |
Descriptive Wheelbase |
6' 9" + 7' 9" + 6' 9" = 22' 3" |
Dimensions
Weight (loco only) |
46t 0cwt |
Boiler & Firebox
Boiler Diagram |
?? |
Boiler Max Diameter |
4' |
Boiler Barrel Length |
9' 10" |
Total Heating Area |
971.6ft2 |
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