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Saxon I M
German Reichsbahn class 9916
Germany | 1902
Hartmann works photo
Hartmann works photo
General
Built1902
ManufacturerHartmann
Axle config0-4-4-0T (Double Fairlie) 
Gauge3 ft 3 3/8 in (Meter gauge)
Dimensions and Weights
Length34 ft 5 in
Wheelbase24 ft 11 3/16 in
Rigid wheelbase3 ft 7 5/16 in
Empty weight72,973 lbs
Service weight92,153 lbs
Adhesive weight92,153 lbs
Axle load23,149 lbs
Water capacity845 us gal
Fuel capacity2,646 lbs (coal)
Boiler
Grate area19.4 sq ft
Firebox area84 sq ft
Tube heating area767.5 sq ft
Evaporative heating area851.4 sq ft
Total heating area851.4 sq ft
Power Plant
Driver diameter29.5 in
Boiler pressure203 psi
Expansion typecompound
Cylindersfour, HP: 11 x 14 15/16 in
and LP: 16 15/16 x 14 15/16 in
Power
Power sourcesteam
Indicated power326 hp (243 kW)
Optimal speed14 mph
Top speed19 mph
Starting effort14,929 lbf
with start valve17,915 lbf
Calculated Values
steam locomotive
freight
tank locomotive
narrow gauge
Fairlie
double Fairlie
last changed: 08 2023
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