The reference for locomotives and railcars


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Saxon X V
German Reichsbahn class 142
Germany | 1900 | 15 produced
No. 186 on a works photo when it was delivered in 1902
No. 186 on a works photo when it was delivered in 1902
Variant1900 variant1902 variant1903 variant
Axle config4-4-2 (Atlantic) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length63 ft 11 1/8 in64 ft 2 1/4 in
Wheelbase30 ft 0 1/4 in30 ft 8 1/8 in
Fixed wheelbase7 ft 0 5/8 in
Empty weight136,466 lbs135,805 lbs136,686 lbs
Service weight152,780 lbs152,119 lbs153,001 lbs
Adhesive weight70,548 lbs69,225 lbs68,784 lbs
Total weight247,358 lbs243,611 lbs248,461 lbs
Axle load35,274 lbs34,833 lbs34,392 lbs
Water capacity4,755 us gal5,151 us gal
Fuel capacity11,023 lbs (coal)
Power sourcesteam
Estimated power872 hp (650 kW)
Optimal speed33 mph
Top speed78 mph75 mph62 mph
Starting effort16,752 lbf
with start valve20,102 lbf
Power Plant
Driver diameter78 in
Boiler pressure218 psi
Expansion typecompound
Cylindersfour, HP: 13 3/4 x 26 in
and LP: 21 7/8 x 26 in
Grate area25.9 sq ft25.6 sq ft25.1 sq ft
Firebox area146.9 sq ft143.2 sq ft
Tube heating area1,630.7 sq ft1,587.7 sq ft
Evaporative heating area1,777.7 sq ft1,730.8 sq ft
Total heating area1,777.7 sq ft1,730.8 sq ft
Calculated Values
steam locomotive
De Glehn compound
last changed: 08 2023

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