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MR/LMS Johnson "1327" Class 4-4-0


General
Designer Samuel Johnson
Introduced 1877
Pre-Grouping Company Midland Railway
Grouping Company London, Midland & Scottish Railway
Wheel Arrangement 4-4-0
Number Built as 1327 20
First in Service 1877
Last in Service 10/1934
Manufacturers
ManufacturerTotal
Dübs & Co 20
Orders
BuilderSponsorOrder #DateSize
Dübs & Co  n/a 1877 20

Power
Inside Cylinders 18" x 26" (2 off)

Wheels
Pony 3' 6"
Drivers 7'
Locomotive Wheelbase 21' 6"
Descriptive Wheelbase 6' 0" + 7' 0" + 8' 6" = 21' 6" (engine only)

Dimensions
Weight (loco only) 43t 0cwt

Boiler & Firebox
Boiler Diagram B(b)
Boiler Max Diameter 4' 1"
Boiler Barrel Length 10' 6"
Boiler Pressure 160lbs
Firebox Type Round Top
Firebox Length 5' 11"
Firebox Grate Area 17.5ft2
Firebox Heating Surface 110ft2
Tube Number 223
Tube Diameter 134"
Tube Area 1123ft2
Total Evaporative Area 1233ft2
Total Heating Area 1233ft2