In 1985, the fixed wheel _HR_ wagons used as wheel transports were reclassed to HZW. Wheels were transported as an axle sets of the axle and wheel pairs.
HZW 201, 203 to 207 and 209 were relettered from HR 5, 47, 49, 52, 56, 88 and 131 respectively.
Most were scrapped by the late 1980's.