| Vehicle type: | DMBC + | DMCL ++ | TSL |
| Classification: | 110 | 110 | 110 |
| Original classification: | 110/1 | 110/2 | 163 |
| Original number range: | 51809-51828, 52066-52075 | 51829-51848, 52076-52085 | 59693-59712, 59808-59817 |
| Revised number range: | - | - | - |
| Classification: | DMBC | DMCL | TSL |
| Introduced: | 1961 | 1961 | 1961 |
| Built by: | Birmingham RC&W | Birmingham RC&W | Birmingham RC&W |
| Vehicle length (over body): | 17.53m | 17.53m | 17.53m |
| Height: | 3.88m | 3.88m | 3.88m |
| Width: | 2.81m | 2.81m | 2.81m |
| Seating: | 12F/33S or declassified 45S | 12F/54S or declassified 66S | 72S |
| Internal layout: | 2+2F/2+3S | 2+2F/2+3S | 2+3S |
| Gangway: | Inner end | Inner end | Throughout |
| Toilets: | Not fitted | 1 | 1 |
| Weight: | 33.5 tonnes | 33 tonnes | 25.5 tonnes |
| Brake type: | Vacuum | Vacuum | Vacuum |
| Power unit: | 2 x Rolls Royce of 180hp per vehicle | 2 x Rolls Royce of 180hp per vehicle | - |
| Horsepower (total): | 360hp | 360hp | - |
| Transmission: | Mechanical | Mechanical | - |
| Max speed: | 70mph | 70mph | 70mph |
| Coupling type: | Screw | Screw | Screw |
| Multiple restriction: | Blue square | Blue square | Blue square |
| Door type: | Slam | Slam | Slam |
| Special features: | |||
| Body structure: | Steel | Steel | Steel |
| Notes: | + later declassified to DMBS | ++ later declassified to DMSL |