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Record: 10408 (31/12/2024)
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NER/LNER Fletcher "J77" Class 0-6-0T
Class Types
| NER Class |
290 (Rebuilds) |
| LNER Class |
J77 |
General
| Designer |
Edward Fletcher |
| Rebuilt By |
Worsdell |
| Introduced |
1899 |
| Pre-Grouping Company |
North Eastern Railway |
| Grouping Company |
London and North Eastern Railway |
| Description (1957) |
Class J77. Originally Fletcher 0-4-4 well tanks for the N.E.R., built 1874-84, and rebuilt at York and Darlington as 4'1" 0-6-0T's between 1907 and 1921. In all 60 locomotives were converted, with 27 still running in 1956. |
| Wheel Arrangement |
0-6-0T |
| Number Built as J77 |
46 |
| Conversions from other classes |
60 |
| Last in Service |
10/1960 |
| Manufacturers |
|
|
|
|
Power
| Variant Introduced |
1899 |
| Tractive Effort |
17,560lbs |
| Inside Cylinders |
17" x 22" (2 off) |
| Inside Valves |
Slide |
| Inside Motion |
Stephenson |
Wheels
| Drivers |
4' 11⁄4" |
| Total Wheelbase |
16' 2" |
| Descriptive Wheelbase |
7' 8" + 8' 6" = 16' 2" |
Dimensions
| Length (over buffers) |
29' 91⁄4" |
| Weight (in running order) |
43t 0cwt |
| Maximum Axle Load |
14t 16cwt |
| Water Capacity |
700gal |
| Coal Capacity |
2t 5cwt |
Boiler & Firebox
| Boiler Diagram |
68 |
| Boiler Max Diameter |
4' 3" |
| Boiler Barrel Length |
10' 7" |
| Boiler Pressure |
160lbs |
| Boiler Pitch |
6' 93⁄8" |
| Firebox Length |
4' 6" |
| Firebox Grate Area |
12.8ft2 |
| Firebox Heating Surface |
84ft2 |
| Tube Number |
205 |
| Tube Diameter |
13⁄4" |
| Tube Area |
1025ft2 |
| Total Evaporative Area |
1109ft2 |
| Total Heating Area |
1109ft2 |
|