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Record: 71951 (21/04/2026)
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LNER Gresley "J39" Class 0-6-0
Class Types
| LNER Class |
J39 |
General
| Designer |
Sir Nigel Gresley |
| Introduced |
1926 |
| Grouping Company |
London and North Eastern Railway |
| Description (1957) |
Class J39. Gresley 5'2" mixed traffic 0-6-0's. A class of 289 engines built between 1926-41. They were fitted with several varieties of tenders, some from scrapped North Eastern locomotives. |
| Wheel Arrangement |
0-6-0 |
| Number Built as J39 |
289 |
| First in Service |
28/09/1926 |
| Last in Service |
29/12/1962 |
| Manufacturers |
|
| Orders |
|
|
|
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Power
| Variant Introduced |
1926 |
| Tractive Effort |
25,664lbs |
| Inside Cylinders |
20" x 26" (2 off) |
| Inside Valves |
8"Piston |
| Inside Motion |
Stephenson |
Wheels
| Drivers |
5' 2" |
| Locomotive Wheelbase |
1' 5" |
| Descriptive Wheelbase |
8' 0" + 9' 0"
Different tenders used |
Dimensions
| Weight (in running order) |
57t 17cwt |
Boiler & Firebox
| Boiler Diagram |
97 |
| Boiler Max Diameter |
5' 6" |
| Boiler Barrel Length |
11' 45⁄8" |
| Boiler Pressure |
180lbs |
| Boiler Pitch |
8' 91⁄2" |
| Firebox Length |
9' |
| Firebox Grate Area |
26ft2 |
| Firebox Heating Surface |
171.5ft2 |
| Tube Number |
177 |
| Tube Diameter |
13⁄4" |
| Tube Area |
871.75ft2 |
| Flue Elements |
24 |
| Flue Diameter |
51⁄4" |
| Flue Area |
354.53ft2 |
| Total Evaporative Area |
1397.78ft2 |
| Superheater Elements |
24 |
| Superheater Element Diameter |
17⁄32" |
| Superheater Element Area |
271.8ft2 |
|
