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Record: 10235 (26/09/2023)
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NBR/LNER Reid "D33" Class 4-4-0
Class Types
NBR Class |
K |
LNER Class |
D33 |
General
Designer |
William Reid |
Introduced |
1909 |
Pre-Grouping Company |
North British Railway |
Grouping Company |
London and North Eastern Railway |
Description (1957) |
Class D33 of 12 engines built 1909-10. The last survivor was scrapped in 1953. |
Wheel Arrangement |
4-4-0 |
Number Built as D33 |
12 |
Number Scrapped |
12 |
First in Service |
10/1909 |
Last in Service |
09/1953 |
Manufacturers |
|
Orders |
|
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Power
Variant Introduced |
1909 |
Tractive Effort |
21,053lbs |
Inside Cylinders |
19" x 26" (2 off) |
Inside Valves |
8.75"Piston |
Inside Motion |
Stephenson |
Wheels
Pony |
3' 6" |
Drivers |
6' |
Locomotive Wheelbase |
23' 7" |
Tender Wheelbase |
13' 6" |
Total Wheelbase |
46' 81⁄2" |
Descriptive Wheelbase |
6' 6" + 7' 7" + 9' 6" + 9' 7½" + 6' 9" + 6' 9" = 46' 8½" |
Dimensions
Length (over buffers) |
56' 3" |
Weight (in running order) |
98t 13cwt |
Weight (loco only) |
54t 1cwt |
Water Capacity |
4,235gal |
Boiler & Firebox
Boiler Diagram |
78 |
Boiler Max Diameter |
5' |
Boiler Barrel Length |
11' 4" |
Boiler Pressure |
165lbs |
Boiler Pitch |
8' 21⁄2" |
Firebox Type |
Round Top |
Firebox Length |
6' 81⁄2" |
Firebox Grate Area |
21.13ft2 |
Firebox Heating Surface |
139.7ft2 |
Tube Number |
124 |
Tube Diameter |
17⁄8" |
Tube Area |
677.04ft2 |
Flue Elements |
22 |
Flue Diameter |
5" |
Flue Area |
192.92ft2 |
Total Evaporative Area |
1153.14ft2 |
Superheater Element Area |
192.92ft2 |
Total Heating Area |
1346.06ft2 |
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