512 Class 47s were built, of which 30 have passed into preservation and can be found (at time of blog-page publication) at the following locations, though this may be subject to change for various reasons.
D1524  47004 - Embsay & Bolton Abbey Railway.
D1693  47105 - Gloucestershire Warwickshire Railway.
D1705  47117 'Sparrowhawk' - Great Central Railway.
D1842  47192 - Crewe Heritage Centre.
D1855  47205/47395 - Northampton & Lamport Railway.
D1994  47292 - Great Central Railway Nottingham.
D1787  47306 'The Sapper' - Bodmin & Wenford Railway.
D1886  47367 - Mid Norfolk Railway.
D1895  47376 'Freightliner 1995' - Gloucestershire Warwickshire Railway.
D1500  47401 'North Eastern' - Midland Railway Butterley.
D1501  47402 - East Lancashire Railway.
D1516  47417 - Midland Railway Butterley.
D1566  47449 - Llangollen Railway.
D1662  47484 'Isambard Kingdom Brunel' - (Private Location).
D1107  47524 - Dean Forest Railway.
D1778  47183/47579/47793 'James Nightall G.C. - Mid Hants Railway.
D1762  47167/47580/47732 'County of Essex - Carnforth.
D1933  47233/47596 'Aldeburgh Festival' - Mid Norfolk Railway.
D1606  47029/47635 'Jimmy Milne' - Epping Ongar Railway.
D1970  47269/47643 - Bo'ness & Kinneil Railway.
D1948  47505/47712 'Lady Diana Spencer' - Crewe Heritage Centre.
D1619  47038/47564/47761 - Midland Railway Butterley.
D1643  47765/47059/47631 - East Lancashire Railway.
D1946  47503/47771 - Eastleigh Works.
D1755  47541/47773 - (Location Not Known).
D1909  47232/47785/47820 - Wensleydale Railway.
D1656  47072/47609/47834/47798 'Prince William' - York Railway Museum.
D1654  47070/47620/47799/47835 'Prince Henry' - Eden Valley Railway.
D1966  47266/47629/47828 - Carnforth.
D1661  47077/47613/47840 'North Star' - West Somerset Railway.
More Class 47 and 57 images on 'Along These Tracks'.