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Record: 10235 (26/09/2023)
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GER/LNER Holden "J70" Class 0-6-0T
Class Types
GER Class |
C53 (Tram Engine) |
LNER Class |
J70 |
General
Designer |
James Holden |
Introduced |
1903 |
Pre-Grouping Company |
Great Eastern Railway |
Grouping Company |
London and North Eastern Railway |
Description (1957) |
Class J70. G.E.R. 0-6-0T outside-cylinder tram engines with 3'1" wheels. Twelve in class, built 1903-21 for the Wisbech and Upwell Tramway and for Yarmouth and Ipswich quayside duties. One engine scrapped in 1942 and the others between 1949 and 1955. |
Wheel Arrangement |
0-6-0T |
Number Built as J70 |
12 |
First in Service |
10/1903 |
Last in Service |
02/08/1955 |
Manufacturers |
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Orders |
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Power
Variant Introduced |
1903 |
Tractive Effort |
8,931lbs |
Outside Cylinders |
12" x 15" (2 off) |
Outside Valves |
Slide |
Outside Motion |
Walschaerts |
Wheels
Drivers |
3' 1" |
Total Wheelbase |
6' 8" |
Descriptive Wheelbase |
3' 4" + 3' 4" = 6' 8" |
Dimensions
Length (over buffers) |
20' 101⁄2" |
Weight (in running order) |
27t 1cwt |
Maximum Axle Load |
11t 7cwt |
Water Capacity |
625gal |
Coal Capacity |
0t 15cwt |
Boiler & Firebox
Boiler Diagram |
46 |
Boiler Max Diameter |
2' 101⁄2" |
Boiler Barrel Length |
6' 10" |
Boiler Pressure |
180lbs |
Boiler Pitch |
6' 2" |
Firebox Length |
3' 2" |
Firebox Grate Area |
9.2ft2 |
Firebox Heating Surface |
42.08ft2 |
Tube Number |
102 |
Tube Diameter |
15⁄8" |
Tube Area |
306ft2 |
Total Evaporative Area |
348.08ft2 |
Total Heating Area |
348.08ft2 |
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