The reference for locomotives and railcars
Lancashire & Yorkshire classes 5 and 6
Great Britain | 1889 | 354 produced
No. 1051 with crew
No. 1051 with crew
Bulgarisches Staatsarchiv, Sofia
Axle config2-4-2T (Columbia) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length39 ft 2 1/2 in
Wheelbase24 ft 4 in
Fixed wheelbase8 ft 7 in
Service weight127,120 lbs148,848 lbs
Adhesive weight71,120 lbs87,920 lbs
Axle load39,200 lbs44,128 lbs
Water capacity1,609 us gal1,849 us gal
Fuel capacity5,040 lbs (coal)7,056 lbs (coal)
Power sourcesteam
Estimated power600 hp (447 kW)850 hp (634 kW)
Optimal speed24 mph22 mph
Starting effort15,925 lbf24,585 lbf
Power Plant
Driver diameter68 in
Boiler pressure160 psi180 psi
Expansion typesimple
Cylinderstwo, 17 1/2 x 26 intwo, 20 1/2 x 26 in
Grate area18.8 sq ft
Firebox area107.7 sq ft107.4 sq ft
Tube heating area1,108.3 sq ft812.6 sq ft
Evaporative heating area1,216 sq ft920 sq ft
Superheater area195 sq ft
Total heating area1,216 sq ft1,115 sq ft
Calculated Values
steam locomotive
tank locomotive
last changed: 10 2023

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