At least 53 Bogie bolster Cs, all from lot 3397 were converted, reportedly about 1974, to carry short pipes, similar to the 4 wheel pipe wagons. They went out of use in the early 1980s.
B924603 BOV @ Hoo Junction 81-09-27 � Paul Bartlett w
B924611 BOV @ Hoo Junction 81-09-27 � Paul Bartlett w
B924429 BOV @ New Cross Gate 85-03-30 � Paul Bartlett w
B924631 BOV @ Toton 80-08-02 � Paul Bartlett w
B924668 BOV @ Hoo Junction 81-09-27 � Paul Bartlett w
B924645 BOV @ Hoo Junction 81-09-27 � Paul Bartlett w
B924759 BOV @ Wrexham Croes Newydd 80-04-10 � Paul Bartlett [2w]
B924759 BOV @ Wrexham Croes Newydd 80-04-10 � Paul Bartlett [1w]
B924759 BOV @ Wrexham Croes Newydd 80-04-10 � Paul Bartlett [3w]
B924759 BOV @ Wrexham Croes Newydd 80-04-10 � Paul Bartlett [4w]