Heating Surface Area
5
| Class | U-4a | ||||
|---|---|---|---|---|---|
| Railroad Line | Canadian National Railways | ||||
| Country | Canada | ||||
|
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| Wheel Arrangement | 2'D2' h2 | Boiler Pressure | 19,5 kp/cm² | ||
| Tender | 3'3' | Grate Area | 6,8 m² | ||
| Driving Wheel Ø | 1956 mm | Heating Surface Area |
358,7 m² | ||
| Leading Wheel Ø | mm | Superheater Area | 142 m² | ||
| Trailing Wheel Ø | mm | Cylinder Ø | 610 mm | ||
| Length (over all) | 28 990 mm | Piston Stroke | 762 mm | ||
| Max. Speed (Design) | km/h | Max. Axle Loading | 27 Mp | ||
| Max. Speed (achieved) | km/h | Weight on drivers | 107,1 Mp | ||
| Power | hpi | Weight (total) | 288,6Mp | ||
| Fuel | Coal | Power Transmission | Rods | ||
| Gauge | 1435 mm | Tractive Effort | 23,36 Mp | ||
| First Bldg. Year |
|
Number built | 5 |
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| Weitgehend identisch mit der Klasse U-4b der Grand Trunk Western. | |||||