HSS 341 Class 87 08 September 2020 12:36 Updated HSS 341 Class 87 R2772; R2787 hss-341-class-87-459(1).pdf 600 KB Download Related articles HM7000 (HM | DCC): Profile Function Maps HSS 436B, Class 87 (2017 Onwards) HSS 340 Class 20 (Sound) HSS 332B Class 43 / HST HSS 461 - Class 71