The Metro Cammell Class 101 DMU was one of the better first generation designs and one of the largest with 760 vehicles formed into 2, 3 or 4 car units. They were in use from 1956 to 2003 and could be seen on suburban and local passenger services in most parts of the country.
- Class 158, 159
- Class 168 & 170-172
- Class 220, 221, 222
- Class 345, 701, 710, 720, 730
- Class 800 - 810
- Class 458
- Class 156
- Class 755
- Class 700, 707, 717
- Class 375, 377, 379, 387
- Class 180
- Class 165, 166
- Class 455, 456
- Class 444, 450
- Class 350
- Class 319, 769
- Class 150
- Class 390
- Class 491 4TC
- Class 397
- Class 185
- Class 325
- Class 423 4-VEP
- Class 442
- Class 421 4-CIG
- Class 320, 321, 322