The 16 Class 325 4-car EMUs were introduced in 1995 for postal services and can run on 25kV AC and 750V DC electrified routes. They are currently operated by DB Cargo and can normally be found working trains between Willesden, Warrington and Shieldmuir for Royal Mail.
- Class 320, 321, 322
- Class 421 4-CIG
- Class 442
- Class 423 4-VEP
- Class 156
- Class 180
- Class 397
- Class 707
- Class 150
- Class 350
- Class 390
- Class 185
- Class 319, 769
- Class 168 & 170-172
- Class 444, 450
- Class 455, 456
- Class 491 4TC
- Class 158, 159
- Class 458
- Class 375, 377, 379, 387
- Class 701
- Class 220, 221, 222
- Class 165, 166
- Class 800 - 810