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Chicago & North Western class E-4
In the 1930s, the Chicago & North Western, the Milwaukee Road and the Burlington Route competed on the line between Chicago and Minneapolis. The C&NW called these services “The 400 Train” since the target was to cover...
| Chicago & North Western class E-4Remove | |
|---|---|
| Variant | Standard |
| Built | 1938 |
| Manufacturers | ALCO |
| Wheel arrangement | 2C2 |
| Gauge | 1435 mm |
| Length | |
| Service mass | 186880 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Chicago & North Western class E-4 Standard Remove |
|---|---|
| Built | 1938 |
| Manufacturers | ALCO |
| Wheel arrangement | 4-6-4 (Hudson) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Chicago & North Western class E-4 Standard Remove |
|---|---|
| Wheelbase | 12.90 m |
| Total wheelbase | 27.13 m |
| Service mass | 186.9 t |
| Adhesion mass | 98 t |
| Total mass | 350.2 t |
| Rigid wheelbase | 4.47 m |
| Axle load | 32.7 t |
| Water capacity | 75,708 l |
| Fuel capacity | 22.7 t (coal) |
Boiler
| Property | Chicago & North Western class E-4 Standard Remove |
|---|---|
| Grate area | 8.426 m² |
| Firebox surface | 47.102 m² |
| Tube heating surface | 320.609 m² |
| Evaporative heating surface | 367.711 m² |
| Superheater surface | 175.029 m² |
| Total heating surface | 542.7 m² |
Power plant
| Property | Chicago & North Western class E-4 Standard Remove |
|---|---|
| Driver diameter | 2,134 mm |
| Boiler pressure | 20.7 bar |
| Expansion type | simple expansion |
| Cylinders | two, 635 x 737 mm |
Power
| Property | Chicago & North Western class E-4 Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 3,729 kW (5,070 PS) |
| Starting effort | 244.8 kN |
Calculated values
| Property | Chicago & North Western class E-4 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 3.93 |
| Optimal speed | 93 km/h |
| Power-to-weight ratio | 20.0 kW/t |
| Heating Surface Equivalent | 953.3 m² |
| Cylinder volume/HSE | 1 : 489.42 |
| Adhesive weight/Total | 1 : 1.91 |
| Tractive force/Heating surface | 1 : 9.42 |
| Grate area/Heating surface | 1 : 64.41 |
| Firebox/Tube surface | 1 : 6.81 |
| Total/Superheater | 1 : 2.10 |
