The reference for locomotives and railcars
French State Railway (État) No. 40-001 to 143
French State Railway 3-040 TA 1 to 143
France | 1914 | 143 produced
SNCF 040 TA 137 in September 2006 at Longueville
SNCF 040 TA 137 in September 2006 at Longueville
Didier Duforest
Built1914, 1920-1922
ManufacturerANF Blanc-Misseron, Schneider, Fives-Lille, Sotteville
Axle config0-8-0T (Eight-coupled) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length35 ft 7 9/16 in
Wheelbase14 ft 9 3/16 in
Fixed wheelbase14 ft 9 3/16 in
Service weight138,450 lbs
Adhesive weight138,450 lbs
Axle load34,613 lbs
Water capacity1,849 us gal
Fuel capacity6,614 lbs (coal)
Power sourcesteam
Estimated power536 hp (400 kW)
Optimal speed14 mph
Top speed31 mph
Starting effort24,379 lbf
Power Plant
Driver diameter51.2 in
Boiler pressure174 psi
Expansion typesimple
Cylinderstwo, 18 7/8 x 23 5/8 in
Grate area19.4 sq ft
Firebox area88.3 sq ft
Tube heating area1,095.8 sq ft
Evaporative heating area1,184 sq ft
Total heating area1,184 sq ft
Calculated Values
steam locomotive
tank locomotive
last changed: 08 2023

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