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Record: 12282 (30/03/2025)
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LNER Gresley "J38" Class 0-6-0


Class Types
LNER Class J38

General
Designer Sir Nigel Gresley
Introduced 1926
Grouping Company London and North Eastern Railway
Description (1957) Class J38. Large 4'8" mineral engines designed by Gresley. A class of 35 engines built in 1926 for use on the North British section in Scotland. All still in service in 1957.
Wheel Arrangement 0-6-0
Number Built as J38 35
First in Service 28/01/1926
Last in Service 22/04/1967
Manufacturers
ManufacturerTotal
Darlington Works 35
Orders
BuilderSponsorOrder #DateSize
Darlington Works  n/a 16/06/1925 35

Illustration
Copyright: Unknown - please contact me if you know the copyright holder
Power
J38/1 J38/2
Variant Introduced 1926 1932
Tractive Effort 28,414lbs
As J38/1
Inside Cylinders 20" x 26" (2 off)
As J38/1
Inside Valves 8"Piston
As J38/1
Inside Motion Stephenson
As J38/1

Wheels
J38/1 J38/2
Drivers 4' 8"
As J38/1
Locomotive Wheelbase 17'
As J38/1
Tender Wheelbase 13' 4"
As J38/1
Total Wheelbase 41' 3"
As J38/1
Descriptive Wheelbase 8' 0" + 9' 0" + 10' 9" + 7' 3" + 6' 3"
As J38/1

Dimensions
J38/1 J38/2
Length (over buffers) 4' 8"
As J38/1
Weight (in running order) 58t 19cwt
As J38/1
Maximum Axle Load 20t 6cwt
As J38/1
Water Capacity 4,200gal
As J38/1
Coal Capacity 7t 10cwt
As J38/1

Boiler & Firebox
J38/1 J38/2
Boiler Diagram 97A 97
Boiler Max Diameter 5' 6" 5' 6"
Boiler Barrel Length 11' 458" 11' 458"
Boiler Pressure 180lbs 180lbs
Boiler Pitch 8' 912"
As J38/1
Firebox Length 9' 9'
Firebox Grate Area 26ft2 26ft2
Firebox Heating Surface 171.5ft2 171.5ft2
Tube Number 177 177
Tube Diameter 134" 134"
Tube Area 912.25ft2 871.75ft2
Flue Elements 24 24
Flue Diameter 514" 514"
Flue Area 371ft2 354.53ft2
Total Evaporative Area 1454.75ft2 1397.78ft2
Superheater Elements 24 24
Superheater Element Diameter 1732" 1732"
Superheater Element Area 289.6ft2 271.8ft2