58001 starts up for the first time in late 1982 at Doncaster Works. Photo: Derek Porter

58001 almost complete. Awaiting numbering and the cover for the pipework along the solebar. This view shows the eingine room doors all open. Photo: Derek Porter

And in this view, another look at the un-numbered 58001. Late 1982. Photo: Derek Porter

A finished 58001 (just missing the 'Railfreight' logo) - all ready for the handover. 1982. Photo: Derek Porter

58003 seen on the 5th June 1983. Photo: Neil Walkling

58007 (l) and 58005 (r) seen on the 5th June 1983. Photo: Neil Walkling

The frame and engine block of 58018.

58018 taking shape.

A wider view of 58018.

58019 on the 28-07-84. Photo: Paul Bettany

58019. Photo: C58LG Collection

58020 on the 28-07-1984. Photo: Paul Bettany

Another view of 58020 on the 28-07-1984. Photo: Paul Bettany

The cabs of 58021 await fitting on the 28-07-1984. Photo: Paul Bettany

The frames which will eventually make up 58024 are seen on the 28-07-1984. Photo: Paul Bettany.

58035 outside the Works, along with a Railfreight '31' sometime in 1986. Photo: Ricky Vallance.

58037 is seen 'under construction' at Doncaster Works on the 12th January 1986. Photo: Michael Gibson

58043 taking shape on the 27th April 1986. Photo: Paul Bettany

58043 on the 27-4-86. Photo: Paul Bettany

58043 outside on the 22nd June 1986. Photo: Paul Bettany.

Another view of 58043 outside on the 22nd June 1986. Photo: Paul Bettany.

58044 in the early stages of construction. Photo: Ricky Vallance.

The first of two views of 58045 under construction on the 22nd June 1986. Photo: Paul Bettany.

And the view from the other side of 58045 under construction on the 22nd June 1986. Photo: Paul Bettany.

58048 takes shape in this view, taken on the 4th October 1986. Photo: Paul Bettany

A view of 58048 from the 'No. 2' end on the same day as the previous picture. Photo: Paul Bettany

This wide-angle view shows 58049 under construction on the 4th January 1986. Photo: Paul Bettany

58050's cabs await fitting on the 4th October 1986. Photo: Paul Bettany

A Class 58 Cab having just been fabricated. Photo: Derek Porter

Class 58 cabs await fitting on the 1st April 1984. Photo: Paul Bettany

A 58 cab and radiator group await fitting. 28-7-1984. Photo: Paul Bettany

Another Class 58 cab awaiting fitting. Photo: Derek Porter

An excellent view of a Ruston RK3ACT Class 58 engine awaiting fitting. Photo: Derek Porter.

Another view of the Ruston Class 58 power unit. Photo: Derek Porter

16,500hp in this one view! Five Ruston engines await fitting to the 58s. Photographed on the 28th July 1984. Photo: Paul Bettany

Class 58 cabs awaiting fitting sit at Doncaster Works on the 22-3-87. Photo: Paul Bettany

Unused Class 58 components on a Class 40 frame outside Doncaster Works on the 22-3-87. Photo: Paul Bettany