Koln-Minden 0-6-0 Locomotives in Germany

Class Details by Steve Llanso of Sweat House Media

Class Simplon (Locobase 623)

Engines of the "Bourbonaisse" type with a dummy frame that supported the outside top corner of the pistons. All six wheels had splashers, a tall firebox, steam dome well forward, and a tall stack with flared top.

Principal Dimensions by Steve Llanso of Sweat House Media

Locobase ID623
Number in Class
Road Numbers
Number Built
Valve Gear
Locomotive Length and Weight
Driver Wheelbase (ft / m)10.79 / 3.29
Engine Wheelbase (ft / m)10.79 / 3.29
Ratio of driving wheelbase to overall engine wheelbase1
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)89,964 / 40,807
Engine Weight (lbs / kg)89,964 / 40,807
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)50 / 25
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)53.90 / 1370
Boiler Pressure (psi / kPa)117.50 / 8.10
High Pressure Cylinders (dia x stroke) (in / mm)18.9" x 24.02" / 480x610
Tractive Effort (lbs / kg)15,899 / 7211.67
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.66
Heating Ability
Tubes (number - dia) (in / mm)
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)
Firebox Area (sq ft / m2)
Grate Area (sq ft / m2)15.39 / 1.43
Evaporative Heating Surface (sq ft / m2)1330 / 123.60
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1330 / 123.60
Evaporative Heating Surface/Cylinder Volume170.52
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1808
Same as above plus superheater percentage1808
Same as above but substitute firebox area for grate area
Power L1
Power MT

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