| Ikirango | Ubwoko | Bikurikizwa |
| OTIS | XAA177AAT1 | Escalator ya Otis |
TS177-201 na QM177GY1 ni ibisanzwe, bitewe n'icyitegererezo. QM177GY1 ni inomero y'icyitegererezo cy'imbere, XAA177HP1 na XAA177HP2 ni inomero z'ibice byo ku ruhande, kandi mu by'ukuri ni kimwe.