Class | Image | Type | Built | Wheel arr. | In traffic | Numbers | Notes |
|---|
| 59 |
| Diesel locomotive | 1985-1995 | Co-Co | 4 | 59001, 59002, 59004, 59005 | Acquired from Mendip Rail in 2019.[13] |
| 4 | 59101 59102, 59103, 59104 | | | | | | |
| 6 | 59201, 59202, 59203, 59204, 59205, 59206 | Acquired from DB Cargo UKin 2019.[citation needed] | | | | | |
| 66 |
| 1999-2008 | 7 | 66413, 66414, 66415, 66416, 66418, 66419, 66420 | Acquired from Direct Rail Services in 2011.[citation needed] | | |
| 29 | 66507, 66520, 66522, 66534, 66536, 66537, 66545, 66546, 66547, 66548, 66550, 66555, 66556, 66557, 66558, 66559, 66560, 66561, 66562, 66563, 66564, 66565, 66566, 66585, 66587, 66588, 66589, 66590, 66594[11] | | | | | | |
| 19 | 66601, 66602, 66603, 66604, 66605, 66606, 66607, 66610, 66613, 66614, 66615, 66616, 66617, 66618, 66619, 66620, 66621, 66622, 66623 | | | | | | |
| 4 | 66951, 66952 66953, 66957[11] | | | | | | |
| 70 |
| 2009-2011 | 19 | 70001, 70002, 70003, 70004, 70005, 70006, 70007, 70008, 70009, 70010, 70011, 70013, 70014, 70015, 70016, 70017, 70018, 70019, 70020 | 70012 dropped while being unloaded at Newport; returned to manufacturers and is used as a test bed. | | |