Tobruk was a cargo ship which was built in 1941 as Empire Builder by William Gray & Company Ltd for the Ministry of War Transport (MoWT). On completion she was handed over to the Polish government-in-exile (along with four others; Narwik, Bałtyk, Białystok and Borysław, which in 1950 was renamed to Bytom) and renamed Tobruk. She was a member of a number of convoys during the Second World War. She was sold in 1951 to Polskie Linie Oceaniczne and served until 1967. She was scrapped in 1968.
Description
Empire Builder was built by William Gray & Sons Ltd, West Hartlepool. She was yard number 1123. Empire Builder was launched on 19 November 1941 and completed in January 1942.
The ship was 430 ft long, with a beam of 56 ft and a depth of 35 ft. She was propelled by a triple expansion steam engine which had cylinders of 24+1/2 in, 42 in and 70 in bore by 48 in stroke. The engine was built by Central Marine Engine Works, West Hartlepool. It could propel her at 9.5 kn Empire Builder was listed on Lloyds Register as having a GRT of 7,090 and a NRT of 5,050. Tobruk was listed on Lloyds Register as having a GRT of 7,048 and a NRT of 4,977. Her DWT was 10,500.
Career
Empire Builder's port of registry was West Hartlepool. On completion, she was handed over to the Polish Government on 30 January 1942 and renamed Tobruk, after participation of