The reference for locomotives and railcars


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Finnish Railway series K5 “Pikku Jumbo”
later class Tk3
Finland | 1927 | 161 produced
The last built no. 1170 from 1953 in October 2013 in Karjaalla
The last built no. 1170 from 1953 in October 2013 in Karjaalla
ManufacturerTampella, Lokomo, Frichs
Axle config2-8-0 (Consolidation) 
Gauge4 ft 11 13/16 in (Russian broad gauge)
Dimensions and Weights
Length52 ft 5 15/16 in
Wheelbase22 ft 10 13/16 in
Fixed wheelbase14 ft 6 13/16 in
Service weight114,199 lbs
Adhesive weight94,799 lbs
Total weight172,401 lbs
Axle load23,589 lbs
Water capacity2,510 us gal
Fuel capacity9,921 lbs (wood)
Power sourcesteam
Estimated power536 hp (400 kW)
Optimal speed12 mph
Top speed37 mph
Starting effort28,087 lbf
Power Plant
Driver diameter50 in
Boiler pressure203 psi
Expansion typesimple
Cylinderstwo, 18 1/8 x 24 13/16 in
Grate area17.2 sq ft
Evaporative heating area912.8 sq ft
Superheater area279.9 sq ft
Total heating area1,192.6 sq ft
Calculated Values
steam locomotive
last changed: 08 2023

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