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Italian State Railway class 741
Italy | 1953 | 81 produced
741 273 in September 1973 in Brunico
741 273 in September 1973 in Brunico
Michel Huhardeaux
Variantthree-axle tenderfour-axle tender
General
Built1953-1960
ManufacturerOfficina Grandi Riparazioni Verona
Axle config2-8-0 (Consolidation) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length59 ft 3 5/8 in65 ft 2 7/8 in
Wheelbase23 ft 11 3/8 in
Fixed wheelbase8 ft 6 3/8 in
Empty weight131,836 lbs
Service weight150,576 lbs
Adhesive weight123,459 lbs
Total weight220,903 lbs259,704 lbs
Axle load32,628 lbs
Water capacity5,812 us gal
Fuel capacitycoal13,228 lbs (coal)
Power
Power sourcesteam
Indicated power1,086 hp (810 kW)
Optimal speed20 mph
Top speed40 mph
Starting effort34,156 lbf
Power Plant
Driver diameter53.9 in
Boiler pressure174 psi
Expansion typesimple
Cylinderstwo, 21 1/4 x 27 9/16 in
Boiler
Grate area30.1 sq ft
Evaporative heating area1,212 sq ft
Superheater area473.6 sq ft
Total heating area1,685.6 sq ft
Calculated Values
steam locomotive
freight
Franco-Crosti boiler
last changed: 10 2023
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