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Record: 71951 (21/04/2026)
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NBR/LNER Reid "D30" Class 4-4-0 - 'Scott'
Class Types
| NBR Class |
J |
| NBR Class |
D30 |
| (Also known as) |
Scott |
General
| Designer |
William Reid |
| Introduced |
1912 |
| Pre-Grouping Company |
North British Railway |
| Grouping Company |
London and North Eastern Railway |
| Description (1957) |
Class D30, the later 'Scott' series of 27 engines in the class, built new with superheaters between 1912 and 1920. Two engines had been scrapped prior to Nationalization, and three more were scrapped during 1957. |
| Wheel Arrangement |
4-4-0 |
| Number Built as D30 |
27 |
| First in Service |
09/1912 |
| Last in Service |
25/06/1960 |
| Manufacturers |
|
| Orders |
|
|
|
|
Power
|
D30/1 |
D30/2 |
| Variant Introduced |
1912 |
1914 |
| Tractive Effort |
18,700lbs |
As D30/1 |
| Inside Cylinders |
20" x 26" (2 off) |
As D30/1 |
| Inside Valves |
8"Piston |
10"Piston |
| Inside Motion |
Stephenson |
As D30/1 |
Wheels
|
D30/1 |
D30/2 |
| Pony |
3' 6" |
As D30/1 |
| Drivers |
6' 6" |
As D30/1 |
| Locomotive Wheelbase |
23' 7" |
As D30/1 |
| Tender Wheelbase |
13' 6" |
As D30/1 |
| Total Wheelbase |
46' 81⁄2" |
As D30/1 |
| Descriptive Wheelbase |
6' 6" + 7' 7" + 9' 6" + 9' 7½" + 6' 9" + 6' 9" = 46' 8½" |
As D30/1 |
Dimensions
|
D30/1 |
D30/2 |
| Length (over buffers) |
56' 3" |
As D30/1 |
| Weight (in running order) |
103t 12cwt |
104t 9cwt |
| Weight (loco only) |
57t 6cwt |
57t 16cwt |
| Water Capacity |
4,235gal |
As D30/1 |
Boiler & Firebox
|
D30/1 |
D30/2 |
| Boiler Diagram |
78 |
78 |
| Boiler Max Diameter |
5' |
5' |
| Boiler Barrel Length |
11' 4" |
11' 4" |
| Boiler Pressure |
165lbs |
165lbs |
| Boiler Pitch |
8' 6" |
As D30/1 |
| Firebox Type |
Round Top |
Round Top |
| Firebox Length |
6' 81⁄2" |
6' 81⁄2" |
| Firebox Grate Area |
21.13ft2 |
21.13ft2 |
| Firebox Heating Surface |
139.7ft2 |
139.7ft2 |
| Tube Number |
124 |
124 |
| Tube Diameter |
17⁄8" |
17⁄8" |
| Tube Area |
677.04ft2 |
677.04ft2 |
| Flue Elements |
22 |
22 |
| Flue Diameter |
5" |
5" |
| Flue Area |
192.92ft2 |
192.92ft2 |
| Total Evaporative Area |
1153.14ft2 |
1153.14ft2 |
| Superheater Element Area |
192.92ft2 |
192.92ft2 |
| Total Heating Area |
1346.06ft2 |
1346.06ft2 |
|