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Alsace-Lorraine A 18
Germany | 1902 | 54 produced
No. 848 “Frisching”
No. 848 “Frisching”
Grafenstaden
Variantnormal tubesServe tubes
General
Built1902-1913
ManufacturerGrafenstaden
Axle config4-4-0 (American) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length57 ft 1 1/16 in
Length loco33 ft 5 9/16 in
Service weight122,577 lbs
Adhesive weight70,548 lbs
Total weight168,874 lbs
Axle load35,274 lbs
Water capacity4,755 us gal
Fuel capacity11,023 lbs (coal)
Power
Power sourcesteam
Estimated power805 hp (600 kW)939 hp (700 kW)
Optimal speed34 mph39 mph
Top speed62 mph
Starting effort15,179 lbf
with start valve18,215 lbf
Power Plant
Driver diameter78 in
Boiler pressure218 psi
Expansion typecompound
Cylindersfour, HP: 13 3/8 x 25 3/16 in
and LP: 20 7/8 x 25 3/16 in
Boiler
Grate area24.5 sq ft
Firebox area122.2 sq ft
Tube heating area1,190.6 sq ft1,706.1 sq ft
Evaporative heating area1,312.8 sq ft1,828.2 sq ft
Total heating area1,312.8 sq ft1,828.2 sq ft
Calculated Values
steam locomotive
express
De Glehn compound
last changed: 09 2023
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