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MSLR/LNER Sacré "J12" Class 0-6-0

**Class Types**
GCR Class	6C
LNER Class	J12

General

Designer

Charles Sacré

Introduced

1880

Pre-Grouping Company

Manchester, Sheffield and Lincolnshire Railway

Grouping Company

London and North Eastern Railway

Wheel Arrangement

0-6-0

Number Built as J12

Number Scrapped

First in Service

08/1880

Last in Service

02/1930

Manufacturers

Manufacturer	Total
Gorton Works	62

Classification

Southern Area 1

**Power**
Tractive Effort	18,829lbs
Inside Cylinders	17.5" x 26" (2 off)
Inside Valves	Slide
Inside Motion	Stephenson

**Wheels**
Drivers	4' 9¹⁄₂"
Locomotive Wheelbase	15' 2"
Tender Wheelbase	12' 6"
Total Wheelbase	36' 4⁷⁄₈"
Descriptive Wheelbase	7' 7" + 7' 7" + 8' 8⅞" + 6' 3" + 6' 3" = 36' 4⅞"

**Dimensions**
Length (over buffers)	49' 1³⁄₈"
Weight (in running order)	69t 0cwt
Weight (loco only)	40t 5cwt
Adhesive Weight	40t 5cwt
Maximum Axle Load	15t 0cwt
Water Capacity	2,500gal
Coal Capacity	2t 15cwt

**Boiler & Firebox**
Boiler Diagram	21
Boiler Notes	Robinson GCR Standard No 1 boiler
Boiler Max Diameter	4' 4"
Boiler Barrel Length	10' 8¹⁄₈"
Boiler Pressure	160lbs
Boiler Pitch	7' 6"
Firebox Type	Belpaire
Firebox Length	6'
Firebox Grate Area	18.3ft²
Firebox Heating Surface	99ft²
Tube Number	190
Tube Diameter	1³⁄₄"
Tube Area	964ft²
Total Evaporative Area	1063ft²
Total Heating Area	1063ft²

Complete BR Locomotive Database 1948-1997

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MSLR/LNER Sacré "J12" Class 0-6-0