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GCR/LNER Robinson "B4" Class 4-6-0


Class Types
GCR Class 8F
LNER Class B4

General
Designer Robinson
Introduced 1906
Pre-Grouping Great Central Railway
Big Four 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.
Wheels 4-6-0
Number Built as B4 10
Number Scrapped 10
First in Service 06/1906
Last in Service 24/11/1950
Manufacturers
ManufacturerTotal
Beyer Peacock Ltd. 10
Orders
BuilderOrder #DateSize
Gorton Works n/a
Beyer Peacock Ltd. 9458

Illustration
Copyright: Phil Seaford
Power
B4/1 B4/2 B4/3 B4/4
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' 912"
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' 1114"
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' 612"
As B4/1
As B4/1
As B4/1