| 1 | A | B | C | D | E | F | G |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | Trolleybuses in Sydney - Fleet |  |  |  |  |  |  |
| 3 | Image | Fleet numbers | Quantity | Chassis | Body | Configuration | In service |
| 4 | - | 1 | 1 | AEC 663T | Park Royal | Three axle, single deck | 1934-1956 |
| 5 | - | 2–3 | 2 | AEC 663T | H McKenzie | Three axle, single deck | 1934-1956 |
| 6 | - | 3 | 1 | AEC 761T | Park Royal | Two axle, double deck | 1934-1948 |
| 7 | - | 4-5 | 2 | AEC 761T | Syd Wood | Two axle, double deck | 1936/37-1956 |
| 8 | - | 6-16 | 11 | Leyland TTB4 | Ritchie Brothers | Three axle, double deck | 1937-1959 |
| 9 | - | 17-26 | 10 | AEC 664T | Ritchie Brothers | Three axle, double deck | 1937-1959 |

Question: What three-axle double deck buses are in Sydney?
Answer: 11 Leyland TTB4 and 10 AEC 664T double deck three-axle buses are trolleybuses in Sydney that were bodied by Ritchie Brothers.