Hunslet Engine Co have hired back three diesel tunneling locos sold three years ago for a cable tunnel contract in east London, part of the preparations for the olympic site. The 1994 locos were in the last batch (HE9346 – HE9351) built at Hunslet’s Jack Lane works and have been hired from their present owners at Welsh Highland, Leadhills & Wanlockhead and Golden Valley railways for the 6 month contract.