SLSF Interesting KCS/Frisco connection

From the FMIG Modelers Newslist, I found this interesting bit of news on certain Frisco diesels. In this case, the disposition of the entire class of GP40-2s :

Frisco GP40-2 750-774 Dispositions-

#-- Built---- BN#- Re#----- Rep-- RTL----- Status-
750 04/21/79 3040 01/30/81 07/81 09/19/97 KCS 4800
751 04/26/79 3041 01/19/81 01/83 09/19/97 KCS 4801
752 04/26/79 3042 01/22/81 04/83 10/09/97 KCS 4802
753 04/21/79 3043 12/22/80 05/83 08/22/97 KCS 4803
754 04/27/79 3044 03/02/81 03/83 09/24/97 KCS 4804
755 05/02/79 3045 12/07/80 01/83 10/09/97 KCS 4805
756 04/30/79 3046 02/17/81 04/83 08/22/97 KCS 4806
757 04/30/79 3047 12/29/80 04/83 09/26/97 KCS 4807
758 05/02/79 3048 12/29/80 04/83 09/26/97 KCS 4808
759 05/02/79 3049 01/06/81 10/82 09/26/97 KCS 4809
760 05/02/79 3050 01/19/81 03/83 10/02/97 KCS 4810
761 05/05/79 3051 01/03/81 05/83 09/26/97 KCS 4811
762 05/05/79 3052 01/05/81 ????? 09/26/97 KCS 4812
763 05/05/79 3053 01/22/81 10/82 10/02/97 KCS 4813
764 05/05/79 3054 12/19/80 08/82 08/22/97 KCS 4814
765 05/09/79 3055 12/24/80 07/82 09/05/97 KCS 4815
766 06/09/79 3056 02/18/81 05/83 09/19/97 KCS 4816
767 06/05/79 3057 03/02/81 08/82 10/02/97 KCS 4817
768 06/06/79 3058 12/29/80 ????? 09/19/97 KCS 4818
769 06/08/79 3059 03/02/81 06/83 09/19/97 KCS 4819
770 06/08/79 3060 03/02/81 04/83 10/09/97 KCS 4820
771 06/08/79 3061 03/02/81 02/83 09/22/97 KCS 4821
772 06/08/79 3062 02/17/81 04/83 09/22/97 KCS 4822
773 06/15/79 3063 02/13/81 08/81 10/02/97 KCS 4823
774 06/14/79 3064 03/17/81 05/83 09/27/97 KCS 4824

Thanks to Roger Taylor for the info.

For the record, 750-774 were primarily used on such Frisco hotshots as QLA, 31, 33 and 34. On KCS, they can mostly be seen on the former IC line from Shreveport east.