Newton & North Western 4-4-0 "American" Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class none (Locobase 101)

See the description of the N&NW at . Although this pair of locomotives was purchased for the N&NW, that Iowa railroad was shortly to be absorbed by the interurban-minded Fort Dodge Des Moines & Southern.

Before long, these Eight-wheelers were absorbed by the Chicago & North Western Railway.

Specifications by Steve Llanso of Sweat House Media
Locobase ID101
RailroadNewton & North Western
Number in Class2
Road Numbers2
Number Built2
Valve Gear
Locomotive Length and Weight
Driver Wheelbase 8.50'
Engine Wheelbase22.92'
Ratio of driving wheelbase to overall engine wheebase 0.37
Overall Wheelbase (engine & tender)45.40'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers57000 lbs
Engine Weight90500 lbs
Tender Light Weight76500 lbs
Total Engine and Tender Weight167000 lbs
Tender Water Capacity3500 gals
Tender Fuel Capacity (oil/coal)
Minimum weight of rail (calculated)48 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter62"
Boiler Pressure160 psi
Cylinders (dia x stroke)17" x 24"
Tractive Effort15214 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.75
Heating Ability
Firebox Area
Grate Area17.10 sq. ft
Evaporative Heating Surface1224 sq. ft
Superheating Surface
Combined Heating Surface1224 sq. ft
Evaporative Heating Surface/Cylinder Volume194.13
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2736
Same as above plus superheater percentage2736
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.