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Record: 71951 (21/04/2026)
(Free MySQL Counter)
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GCR/LNER Robinson "B4" Class 4-6-0
Class Types
| GCR Class |
8F |
| LNER Class |
B4 |
General
| Designer |
John Robinson |
| Introduced |
1906 |
| Pre-Grouping Company |
Great Central Railway |
| Grouping Company |
London and North Eastern Railway |
| Description (1957) |
Class B4, or 'Imminghams', a Great Central class of 10 engines built in 1906 with 6'7" wheels. All of the class were scrapped between 1944 and 1949. |
| Wheel Arrangement |
4-6-0 |
| Number Built as B4 |
10 |
| Number Scrapped |
10 |
| First in Service |
06/1906 |
| Last in Service |
24/11/1950 |
| Manufacturers |
|
| Orders |
|
|
|
|
Power
|
B4/1 |
B4/2 |
B4/3 |
B4/4 |
| Variant Introduced |
1927 |
1906 |
1934 |
1936 |
| Miscellaneous Differences |
21" cylinders and piston valves - superheated |
19" cylinders with slide valves - superheated |
21" cylinders with piston valves, superheated and built to LNER composite loading gauge |
19" cylinders with slide valves, superheated and built to LNER composite loading gauge |
| Tractive Effort |
22,206lbs |
18,178lbs |
As B4/1 |
As B4/2 |
| Outside Cylinders |
21" x 26" (2 off) |
19" x 26" (2 off) |
As B4/1 |
As B4/2 |
| Outside Valves |
10"Piston |
Slide |
As B4/1 |
As B4/2 |
| Outside Motion |
Stephenson |
Stephenson |
As B4/1 |
As B4/2 |
Wheels
|
B4/1 |
B4/2 |
B4/3 |
B4/4 |
| Pony |
3' 6" |
As B4/1 |
As B4/1 |
As B4/1 |
| Drivers |
6' 7" |
As B4/1 |
As B4/1 |
As B4/1 |
| Locomotive Wheelbase |
26' 91⁄2" |
As B4/1 |
As B4/1 |
As B4/1 |
| Tender Wheelbase |
13' |
As B4/1 |
As B4/1 |
As B4/1 |
| Total Wheelbase |
51' 10" |
As B4/1 |
As B4/1 |
As B4/1 |
| Descriptive Wheelbase |
6' 6" + 5' 9½" + 7' 3" + 7' 3" + (12' ½") + 6' 5" + 6' 6" = 51' 10" |
As B4/1 |
As B4/1 |
As B4/1 |
Dimensions
|
B4/1 |
B4/2 |
B4/3 |
B4/4 |
| Length (over buffers) |
61' 111⁄4" |
As B4/1 |
As B4/1 |
As B4/1 |
| Weight (in running order) |
120t 1cwt |
119t 0cwt |
As B4/1 |
As B4/2 |
| Weight (loco only) |
71t 15cwt |
70t 14cwt |
As B4/1 |
As B4/2 |
| Adhesive Weight |
54t 18cwt |
As B4/1 |
As B4/1 |
As B4/1 |
| Maximum Axle Load |
18t 8cwt |
As B4/1 |
As B4/1 |
As B4/1 |
| Water Capacity |
4,000gal |
As B4/1 |
As B4/1 |
As B4/1 |
| Coal Capacity |
6t 0cwt |
As B4/1 |
As B4/1 |
As B4/1 |
Boiler & Firebox
|
B4/1 |
B4/2 |
B4/3 |
B4/4 |
| Boiler Diagram |
16Sup |
As B4/1 |
As B4/1 |
As B4/1 |
| Boiler Pitch |
8' 61⁄2" |
As B4/1 |
As B4/1 |
As B4/1 |
|
