Hunslet-Barclay have a long history of providing overhauls to the UK passenger rail industry. Traditionally this has been in the C6 area but more recently this has been extended to carrying out C4 work on both DMU and EMU vehicles.

Recent Contracts include

• Class 322 C6x
• Class 320 C4
• Class 320 C6x
• Class 318 C6x