Passenger, freight and road vehicle overhaul, upgrade and maintenance provision:-DMU, EMU and passenger coach overhaul, refurbishment, upgrade, life extension, maintenance, C6 and C4 exams- Rail and freight locomotive – new, rebuild, repower, overhaul and maintenance- Industrial locomotive and shunting locomotive – new and overhaul- Road and rail vehicle – newSystem and component provision:- Passenger power/trailer and underground car bogie and gearbox– overhaul- Freight bogie – new and overhaul- Freight and passenger wheel – new, overhaul and maintenance- Engine, transmission and cooler group – overhaul and upgrade- Traction motor – overhaul and upgrade- HVAC – overhaul and maintenance- Door, step and ramp- Brake, coupler and buffer- CCTV, passenger information and pantograph Service provision:- Fleet spares management including obsolescence management and reverse engineering- Freight vehicle on depot service provision- Passenger vehicle on depot service provision