SBB-CFF-FFS Bm 4/4 |
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Type and origin |
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Power type |
Diesel |
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Builder |
SLM, SAAS |
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Build date |
1960–1970 |
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Total produced |
46 |
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Specifications |
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Configuration:
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• UIC |
Bo′Bo′ |
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Gauge |
1,435 mm (4 ft 8 1⁄2 in) |
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Length |
12,650–13,710 mm (41 ft 6 in–45 ft 0 in) |
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Loco weight |
72 tonnes (70.9 long tons; 79.4 short tons) |
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Traction motors |
Four |
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Transmission |
Diesel electric |
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Performance figures |
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Maximum speed |
75 km/h (47 mph) |
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Power output |
620 kW (831 hp) |
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Career |
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Operators |
SBB-CFF-FFS |
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Numbers |
18401–18446 |
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Withdrawn |
From 2006 |
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The Bm 4/4 is a heavy diesel shunter built for Swiss Federal Railways. 46 examples were built between 1960 and 1970, and a number remain in service. The class is currently being replaced by new Vossloh locomotives.
See also
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Wikimedia Commons has media related to SBB Bm 4/4. |
Standard gauge locomotives of Switzerland |
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SBB-CFF-FFS | Steam | |
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Electric | | Experimental and prototypes | |
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Diesel | | Experimental and prototypes | |
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Electro-diesel | |
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