 In the end 1,940 Valentines were produced by CPR most of which were supplied to the USSR.Although the Valentine used a number of American produced parts, its reliance on British components, difficulties in adapting its manufacture to North American methods, and other problems such as limitations to the availability of the right type of armour plate affected Valentine production.In practice, Canada never used most of the 1,400 Valentines they built as they were supplied under lend-lease to the Soviet Union.