| Unit Numbers | Current Status | Videos | Images |
| 555 001 | Under Test/Construction | | |
| 555 002 | Under Test/Construction | | |
| 555 003 | Under Test/Construction | Tonbridge | |
| 555 004 | Under Test/Construction | | |
| 555 005 | Under Test/Construction | | |
| 555 006 | Under Test/Construction | | |
| 555 007 | Under Test/Construction | | |
| 555 008 | Under Test/Construction | | |
| 555 009 | Under Test/Construction | | |
| 555 010 | Under Test/Construction | | |
| 555 011 | Under Test/Construction | | |
| 555 012 | Under Test/Construction | | |
| 555 013 | Under Test/Construction | | |
| 555 014 | Under Test/Construction | | |
| 555 015 | Under Test/Construction | | |
| 555 016 | Under Test/Construction | | |
| 555 017 | Under Test/Construction | | |
| 555 018 | Under Test/Construction | | |
| 555 019 | Under Test/Construction | | |
| 555 020 | Under Test/Construction | | |
| 555 021 | Under Test/Construction | | |
| 555 022 | Under Test/Construction | | |
| 555 023 | Under Test/Construction | | |
| 555 024 | Under Test/Construction | | |
| 555 025 | Under Test/Construction | | |
| 555 026 | Under Test/Construction | | |
| 555 027 | Under Test/Construction | | |
| 555 028 | Under Test/Construction | | |
| 555 029 | Under Test/Construction | | |
| 555 030 | Under Test/Construction | | |
| 555 031 | Under Test/Construction | | |
| 555 032 | Under Test/Construction | | |
| 555 033 | Under Test/Construction | | |
| 555 034 | Under Test/Construction | | |
| 555 035 | Under Test/Construction | | |
| 555 036 | Under Test/Construction | | |
| 555 037 | Under Test/Construction | | |
| 555 038 | Under Test/Construction | | |
| 555 039 | Under Test/Construction | | |
| 555 040 | Under Test/Construction | | |
| 555 041 | Under Test/Construction | | |
| 555 042 | Under Test/Construction | | |
| 555 043 | Under Test/Construction | | |
| 555 044 | Under Test/Construction | | |
| 555 045 | Under Test/Construction | | |
| 555 046 | Under Test/Construction | | |