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| FS E 636 001-108
1940, original version |
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| FS E 636 001-108
1941 |
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| FS E 636 001-108
1942-1943 |
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| FS E 636 001-108
current version |
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| FS E 636 109-112
1952, black trucks since 1974 |
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| FS E 636 113-276
1953-1957, current version |
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| FS E 636 277-469
1959-1962, current version |
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| FS E 636 082
1965, experimental electric brake |
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| FS E 636 080
1987-1999, experimental livery |
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| FS E 636 284 'Camilla'
1990, rebuilt after accident with cabs of E656; since 1998, dark grey in place of blue |
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| FS E 636
1999, last simplified livery all dark brown; currently there are at all 280 E636 in service |
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