 Two hundred engines, numbered 140-171 to 140-370, were delivered in 1916 and 1917.Six engines (140-337, 338, 339, 340, 368 and 369) were lost at sea on 30 April 1918, when the cargo ship transporting them, the was torpedoed off the north Cornish coast, 14 nautical miles north of St Ives Head.These engines were mostly used for hauling freight trains.