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Staatsspoorwegen series 685
Dutch Railways series 3700
Netherlands | 1910 | 120 produced
NS No. 3747, ex No. 741
NS No. 3747, ex No. 741
flickr/Historical Railway Images
Variantthree-axle tenderfour-axle tender
General
Built1910-1928
ManufacturerBeyer, Peacock & Co., Werkspoor, Henschel, Hanomag, BMAG
Axle config4-6-0 (Ten-wheeler) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length60 ft 7 9/16 in64 ft 7 9/16 in
Wheelbase28 ft 4 9/16 in
Fixed wheelbase13 ft 9 3/8 in
Total wheelbase50 ft 1 9/16 in
Service weight165,346 lbs
Adhesive weight110,011 lbs
Total weight253,531 lbs295,419 lbs
Axle load37,038 lbs
Water capacity4,755 us gal7,397 us gal
Fuel capacity13,228 lbs (coal)20,062 lbs (coal)
Power
Power sourcesteam
Indicated power1,334 hp (995 kW)
Optimal speed33 mph
Top speed68 mph
Starting effort25,734 lbf
Power Plant
Driver diameter72.8 in
Boiler pressure171 psi
Expansion typesimple
Cylindersfour, 15 3/4 x 26 in
Boiler
Grate area30.6 sq ft
Firebox area166.2 sq ft
Tube heating area1,559.6 sq ft
Evaporative heating area1,725.8 sq ft
Superheater area441.3 sq ft
Total heating area2,167.1 sq ft
Calculated Values
steam locomotive
express
last changed: 03 2024
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