Jack,
They can be transported, please follow the below:
1) Goto SE38, program name SAPMF05A and select Variants.
2) Menu Goto->Variants (or CTRL + F1).
3) Enter the name of the variant (or create CREATE button
4) Menu UTILITIES -> transport request, enter the name of the program and the variant you have created.
5) Execute
6) After the transported, goto SHD0 to activate the variant.
Regards,
Dave