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Record: 71951 (21/04/2026)
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GWR de Glehn "De Glehn" Class 4-4-2


General
Designer Alfred de Glehn
Introduced 1903
Grouping Company Great Western Railway
Wheel Arrangement 4-4-2
Number Built as De Glehn 3
Number Scrapped 3
Orders
BuilderSponsorOrder #DateSize
Societe Alsacienne des Constructions Mechaniques  146 1903 1
Societe Alsacienne des Constructions Mechaniques  157 1905 2

Power
De Glehn
Variant Introduced 1903 1905
Tractive Effort 23,710lbs
As De Glehn
Inside Valves Flat Flat
Inside Motion Walschaerts Walschaerts
Outside Cylinders 13.375" x 25.1875" (2 off) 14.1875" x 25.1875" (2 off)
Outside Valves Slide Slide
Outside Motion Walschaerts Walschaerts

Wheels
De Glehn
Pony 2' 117⁄8"
As De Glehn
Drivers 6' 81⁄2"
As De Glehn
Truck 4' 77⁄8"
As De Glehn
Locomotive Wheelbase 27' 105⁄8"
As De Glehn
Descriptive Wheelbase 6' 1011⁄16" + 6' 013⁄16" + 7' 0⅝" + 7' 10½" = 27' 10⅝"
As De Glehn

Dimensions
De Glehn
Weight (in running order) 107t 16cwt
As De Glehn
Weight (loco only) 64t 13cwt
As De Glehn
Maximum Axle Load 16t 17cwt
As De Glehn

Boiler & Firebox
De Glehn