Caile Ferate Romane 0-10-0 Locomotives in Romania

Class Details by Steve Llanso of Sweat House Media

Class 50 (Locobase 5299)

Data from [], last accessed 28 December 2006.

The CFR chose the Prussian G10 design as the standard freight engine for the newly established Romanian national railway system for several reasons, according to Romania's Aldo Travel Agency website ([], visited 9 December 2002). Perhaps the most important was that its boiler was interchangeable with those of the 230-class 4-6-0s, which were based on the Prussian P8.

In all, 285 locomotives came from German builders. Beginning with 50.243 in 1926, dubbed "Regele Mihail" after Romania's then-reigning king, the Resita works turned out 266 over the next 18 years. Malaxa Works in Budapest contributed 254 from 1928 on.

This was the most numerous class on the CFR.

Principal Dimensions by Steve Llanso of Sweat House Media

Locobase ID5299
RailroadCaile Ferate Romane (CFR)
Number in Class805
Road Numbers
Number Built805
Valve GearHeusinger
Locomotive Length and Weight
Driver Wheelbase (ft / m)19.69 / 6
Engine Wheelbase (ft / m)19.69 / 6
Ratio of driving wheelbase to overall engine wheelbase1
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)32,937 / 14,940
Weight on Drivers (lbs / kg)164,685 / 74,700
Engine Weight (lbs / kg)164,685 / 74,700
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)55 / 27.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)55.10 / 1400
Boiler Pressure (psi / kPa)174 / 11.70
High Pressure Cylinders (dia x stroke) (in / mm)24.8" x 25.98" / 630x660
Tractive Effort (lbs / kg)42,890 / 19454.60
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.84
Heating Ability
Tubes (number - dia) (in / mm)
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)15.42 / 4.70
Firebox Area (sq ft / m2)
Grate Area (sq ft / m2)28.30 / 2.63
Evaporative Heating Surface (sq ft / m2)1554 / 144.42
Superheating Surface (sq ft / m2)540 / 50.20
Combined Heating Surface (sq ft / m2)2094 / 194.62
Evaporative Heating Surface/Cylinder Volume106.99
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation4924
Same as above plus superheater percentage6204
Same as above but substitute firebox area for grate area
Power L1
Power MT

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