Triumph TRW Registers TRW 25533NA April 17, 2023 René 0 Comment Triumph TRW 1957 in Halifax,Canada Engine Number TRW 25533NA Bike Details Bike was given to me by my grandfather. Currently being rebuilt in my father’s shop. Has a engine plate saying it was built by the Royal Canadian Electrical and Mechanical Engineers in December 1957. Located in Halifax,Canada