Bus 147 began the evaluation process of the direct injection engine, delivered in 1936.
| Model | Daimler COA6 | |||
| Details |
Double deck with Brush bodywork Clayton Dewandre heater in lower saloon AEC A171 7.7 Litre engine § AEC A173 7.7 Litre direct injection engine (Comet 3) Upper saloon: 29 seats Lower saloon: 26 seats |
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| Number | Delivered | Withdrawn | Reg No | Notes |
| 147§ | 1936 | 1949 | BWK147 | |
| 148 | 1936 | 1952 | BWK148 | |
| 149 | 1936 | 1951 | BWK149 | |
| 150 | 1936 | 1950 | BWK150 | |
| 151 | 1936 | 1950 | BWK151 | |
| 152 | 1936 | 1951 | BWK152 | |
| 153 | 1936 | 1952 | BWK153 | 1952: renumbered 453 |
| 154 | 1936 | 1949 | BWK154 | |
| 155 | 1936 | 1958 | BWK155 | 1949: new Roe Body
Upper saloon: 31 seats Lower saloon: 29 seats1952: renumbered 455 |
| 156 | 1936 | 1950 | BWK156 | |
| 157 | 1936 | 1951 | BWK157 | |
| 158 | 1936 | 1950 | BWK158 | |
| 159 | 1936 | 1949 | BWK159 | |
| 160 | 1936 | 1950 | BWK160 | |
| 161 | 1936 | 1958 | BWK161 |
1949: new Roe Body
Upper saloon: 31 seats Lower saloon: 29 seats1952: renumbered 461 |