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Record: 71951 (21/04/2026)
(Free MySQL Counter)

MR/LMS Johnson "156" Class 4-4-0


General
Designer Samuel Johnson
Introduced 1896
Pre-Grouping Company Midland Railway
Grouping Company London, Midland & Scottish Railway
Wheel Arrangement 4-4-0
Number Built as 156 35
Conversions from other classes 10
Conversions to other classes 45
First in Service 1896
Last in Service 02/1961
Manufacturers
ManufacturerTotal
Derby Works 25
Sharp Stewart 20
Orders
BuilderSponsorOrder #DateSize
Derby Works  1458 1896 5
Derby Works  1460 1896 3
Derby Works  1597 1897 10
Derby Works  1597 1898 3
Sharp Stewart  n/a 1899 20
Derby Works  2072 1901 4

Power
156 Renewals of class 1667 156
Variant Introduced 1896 1896 1899
Inside Cylinders 18.5" x 26" (2 off)
As 156
As 156

Wheels
156 Renewals of class 1667 156
Pony 3'
As 156
As 156
Drivers 7'
As 156
As 156
Locomotive Wheelbase 22' 01⁄2"
As 156
As 156
Descriptive Wheelbase 6' 0" + 7' 0½" + 9' 0" = 22' 0½" (engine only)
As 156
As 156

Dimensions
156 Renewals of class 1667 156
Weight (loco only) 51t 0cwt
As 156
As 156

Boiler & Firebox
156 Renewals of class 1667 156
Boiler Diagram D B(b) D
Boiler Max Diameter 4' 1" 4' 1" 4' 1"
Boiler Barrel Length 10' 4" 10' 6" 10' 4"
Boiler Pressure 160lbs 160lbs 160lbs
Firebox Type Round Top Round Top Round Top
Firebox Length 6' 6" 5' 11" 6' 6"
Firebox Grate Area   17.5ft2  
Firebox Heating Surface   110ft2  
Tube Number   223  
Tube Diameter   13⁄4"  
Tube Area   1123ft2  
Total Evaporative Area 1223ft2 1233ft2 1223ft2
Total Heating Area 1223ft2 1233ft2 1223ft2