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Record: 71951 (21/04/2026)
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MR/LMS Johnson "2203" Class 4-4-0


General
Designer Samuel Johnson
Introduced 1893
Pre-Grouping Company Midland Railway
Grouping Company London, Midland & Scottish Railway
Wheel Arrangement 4-4-0
Number Built as 2203 55
Conversions to other classes 35
First in Service 1893
Last in Service 09/1962
Manufacturers
ManufacturerTotal
Beyer Peacock Ltd. 10
Derby Works 30
Sharp Stewart 15
Orders
BuilderSponsorOrder #DateSize
Sharp Stewart  n/a 1893 15
Derby Works  1235 1894 10
Derby Works  1276 1894 10
Derby Works  1410 1895 10
Beyer Peacock Ltd.  n/a 02/1900 10

Power
2203 2203
Variant Introduced 1893 1900
Inside Cylinders 18.5" x 26" (2 off)
As 2203
Inside Valves Slide
As 2203

Wheels
2203 2203
Locomotive Wheelbase 25' 01⁄2"
As 2203
Descriptive Wheelbase 6' 0" + 10' 0½" + 9' 0" = 25' 0½" (engine only)
As 2203

Dimensions
2203 2203
Weight (loco only) 48t 0cwt
As 2203

Boiler & Firebox
2203 2203
Boiler Diagram D B(b)
Boiler Max Diameter 4' 1" 4' 1"
Boiler Barrel Length 10' 4" 10' 6"
Boiler Pressure 160lbs 160lbs
Firebox Type Round Top Round Top
Firebox Length 6' 6" 5' 11"
Firebox Grate Area   17.5ft2
Firebox Heating Surface   110ft2
Tube Number   223
Tube Diameter   13⁄4"
Tube Area   1123ft2
Total Evaporative Area 1223ft2 1233ft2
Total Heating Area 1223ft2 1233ft2