Chicago, St Paul & Kansas City 4-4-4 "Jubilee" Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class M/Motor (Locobase 16226)

Data from CGW 7 1902 Locomotive Diagrams supplied in August 2013 by Allen Stanley from his extensive Raildata collection.

Specifications by Steve Llanso of Sweat House Media
Locobase ID16226
RailroadChicago, St Paul & Kansas City (CGW)
Number in Class1
Road Numbers3
Number Built
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase 7.50'
Engine Wheelbase30.29'
Ratio of driving wheelbase to overall engine wheebase 0.25
Overall Wheelbase (engine & tender)30.29'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers53240 lbs
Engine Weight105500 lbs
Tender Light Weight
Total Engine and Tender Weight105500 lbs
Tender Water Capacity1800 gals
Tender Fuel Capacity (oil/coal)
Minimum weight of rail (calculated)44 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter63"
Boiler Pressure150 psi
Cylinders (dia x stroke)15" x 24"
Tractive Effort10929 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.87
Heating Ability
Firebox Area
Grate Area13.45 sq. ft
Evaporative Heating Surface
Superheating Surface
Combined Heating Surface0
Evaporative Heating Surface/Cylinder Volume
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2018
Same as above plus superheater percentage2018
Same as above but substitute firebox area for grate area0
Power L10
Power MT0


If you have any railroad data such as diagram books, rail station plans or anything else that you would be willing to share, please contact us.