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NER/LNER Tennant "J74" Class 0-6-0T


Class Types
NER Class 8
LNER Class J74

General
Designer Henry Tennant
Introduced 1885
Pre-Grouping Company North Eastern Railway
Grouping Company London and North Eastern Railway
Wheel Arrangement 0-6-0T
Number Built as J74 8
Manufacturers
ManufacturerTotal
Gateshead Works 8

Power
Variant Introduced 1885
Tractive Effort 17,077lbs
Inside Cylinders 17" x 24" (2 off)
Inside Valves Slide
Inside Motion Stephenson

Wheels
Drivers 4' 714"
Total Wheelbase 15' 9"
Descriptive Wheelbase 7' 9" + 8' 0" = 15' 9"

Dimensions
Length (over buffers) 27' 1"
Weight (in running order) 43t 10cwt
Maximum Axle Load 15t 4cwt
Water Capacity 995gal
Coal Capacity 2t 0cwt

Boiler & Firebox
Boiler Diagram 69
Boiler Max Diameter 4' 3"
Boiler Barrel Length 10' 3"
Boiler Pressure 160lbs
Boiler Pitch 6' 1158"
Firebox Type Domed
Firebox Length 5' 6"
Firebox Grate Area 15.16ft2
Firebox Heating Surface 98ft2
Tube Number 205
Tube Diameter 134"
Tube Area 995ft2
Total Evaporative Area 1093ft2