British Rail Class 377 Fleet details Fleet details

| Class_ | Operator_ | No_Built | Year_Built | Cars_per_Set | Unit_nos_ |
|---|---|---|---|---|---|
| Class 377/1 | Southern | 64 | 2002–2003 | 4 | 377101-164 |
| Class 377/2 | Southern | 12 | 2003–2004 | 4 | 377201-206 377208-210 377213-215 |
| Class 377/2 | First Capital Connect | 3 | 2003–2004 | 4 | 377207 377211-212 |
| Class 377/3 | Southern | 28 | 2001–2002 | 3 | 377301-328 |
| Class 377/4 | Southern | 75 | 2004–2005 | 4 | 377401-475 |
| Class 377/5 | First Capital Connect | 23 | 2008–2009 | 4 | 377501-523 |
| Class 377/6 | Southern | 26 | 2012-2014 | 5 | 377601-626 |
| Class 377/7 | Southern | 8 | 2014 | 5 | 377701-708 |