LUFKIN TRAILER (6) (RSS) DFV-IP (3) (RSS) FV-IP (3) (RSS) TFPL (3) (RSS) TFV-IP (3) (RSS) TFV-SEMI-I (3) (RSS) UNSPECIFIED (2) (RSS) TD27 (1) (RSS) THD2 (1) (RSS) MODEL 1 (2) (RSS)