SS Hartlepool was a British steam cargo ship built by William Gray & Co, of West Hartlepool in Sunderland England, a Company of Central Marine Engineering Works, who carried out shipbuilding  from 1874-1963.
She had a gross tons of 5500 and was 130m long, 17m wide with a 7.9m draught. Her triple expansion engine gave her a speed of approx 16 kts.   SS Hartlepool was owned by Harrison J. & C Limited  
On the 5th August 1940 she was sunk by a Kriegsmarine S-boats off Portland on the South Coast of England

Today the wreck lies 0.7Nm from Weymouth Harbour entrance and stands 2m of the seabed which is 18m.

Images & video below  Steve Clarkson