CE & LS 4-4-0 "American" Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class H7 (Locobase 9885)

Data from Milwaukee Road 1930 Locomotive Diagram book supplied in May 2005 by Allen Stanley from his extensive Raildata collection.

Specifications by Steve Llanso of Sweat House Media
Locobase ID9885
RailroadCE & LS (Milwaukee Road)
Number in Class3
Road Numbers718-720
Number Built3
BuilderRhode Island
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft) 8.50
Engine Wheelbase (ft)23.25
Ratio of driving wheelbase to overall engine wheebase 0.37
Overall Wheelbase (engine & tender) (ft)45.54
Axle Loading (Maximum Weight per Axle) (lbs)
Weight on Drivers (lbs)60,000
Engine Weight (lbs)96,300
Tender Loaded Weight (lbs)60,000
Total Engine and Tender Weight (lbs)156,300
Tender Water Capacity (gals)2700
Tender Fuel Capacity (oil/coal) (gals/tons)5
Minimum weight of rail (calculated) (lb/yd)50
Geometry Relating to Tractive Effort
Driver Diameter (in)62
Boiler Pressure (psi)150
High Pressure Cylinders (dia x stroke) (in)18" x 24"
Tractive Effort (lbs)15,991
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.75
Heating Ability
Firebox Area (sq ft)127
Grate Area (sq ft)17.20
Evaporative Heating Surface (sq ft)1361
Superheating Surface (sq ft)
Combined Heating Surface (sq ft)1361
Evaporative Heating Surface/Cylinder Volume192.54
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2580
Same as above plus superheater percentage2580
Same as above but substitute firebox area for grate area19,050
Power L14377
Power MT321.65

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.