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Record: 12282 (30/03/2025)
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GER/LNER Hill "Y4" Class 0-4-0T
Class Types
| GER Class |
B74 |
| LNER Class |
Y4 |
General
| Designer |
Alfred Hill |
| Introduced |
1913 |
| Pre-Grouping Company |
Great Eastern Railway |
| Grouping Company |
London and North Eastern Railway |
| Description (1957) |
Class Y4. G.E.R. Hill 0-4-0T's, a class of five engines built between 1913 and 1920. No. 68129 is now renumbered D33. |
| Wheel Arrangement |
0-4-0T |
| Number Built as Y4 |
5 |
| Number Scrapped |
5 |
| First in Service |
07/1913 |
| Last in Service |
12/1963 |
| Manufacturers |
|
|
|
|
Power
| Variant Introduced |
1913 |
| Tractive Effort |
19,224lbs |
| Outside Cylinders |
17" x 20" (2 off) |
| Outside Valves |
Slide |
| Outside Motion |
Walschaerts |
Wheels
| Drivers |
3' 10" |
| Total Wheelbase |
6' |
| Descriptive Wheelbase |
6' 0" |
Dimensions
| Length (over buffers) |
24' 11⁄2" |
| Weight (in running order) |
38t 1cwt |
| Maximum Axle Load |
19t 1cwt |
| Water Capacity |
750gal |
| Coal Capacity |
0t 15cwt |
Boiler & Firebox
| Boiler Diagram |
40 |
| Boiler Max Diameter |
4' 2" |
| Boiler Barrel Length |
9' 1" |
| Boiler Pressure |
180lbs |
| Boiler Pitch |
7' |
| Firebox Type |
Belpaire |
| Firebox Length |
5' 3" |
| Firebox Grate Area |
13.9ft2 |
| Firebox Heating Surface |
75.1ft2 |
| Tube Number |
226 |
| Tube Diameter |
15⁄8" |
| Tube Area |
905.4ft2 |
| Total Evaporative Area |
980.5ft2 |
| Total Heating Area |
980.5ft2 |
|