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Record: 10235 (26/09/2023)
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LNER Peppercorn "A2" Class 4-6-2


Class Types
LNER Class A2

General
Designer Arthur Peppercorn
Introduced 1947
Grouping Company London and North Eastern Railway
Description (1957) 60525-60539 Class A2 Peppercorn 6'2" Pacifics, a development of class A2/3 built between 1947-48. 250 lbs. pressure, 3 cylinders, 19 X 26 ins.
Wheel Arrangement 4-6-2
Number Built as A2 15
Number Scrapped 14
Number Preserved 1
First in Service 24/12/1947
Last in Service 31/12/1966
Manufacturers
ManufacturerTotal
Doncaster Works 15

Illustration
Copyright: cabsaab900
Power
Variant Introduced 1947
Tractive Effort 40,430lbs
Inside Cylinders 19" x 26" (1 off)
Inside Valves 10"Piston
Inside Motion Walschaerts
Outside Cylinders 19" x 26" (2 off)
Outside Valves 10"Piston
Outside Motion Walschaerts

Wheels
Pony 3' 2"
Drivers 6' 2"
Truck 3' 8"
Locomotive Wheelbase 34' 4"
Tender Wheelbase 15' 4"
Total Wheelbase 60' 614"
Descriptive Wheelbase 6' 3" + 5' 7" + 6' 6" + 6' 6" + 9' 6" + 10' 2¼" + 5' 3" + 5' 6" + 5' 3" = 60' 6¼"

Dimensions
Length (over buffers) 70' 134"
Weight (in running order) 161t 7cwt
Weight (loco only) 101t 0cwt
Adhesive Weight 66t 0cwt
Maximum Axle Load 22t 0cwt
Water Capacity 5,000gal
Coal Capacity 9t 0cwt

Boiler & Firebox
Boiler Pitch 9' 812"