As SGUJ is Getting New DG4Ds it will get DP4Ds also as it will not get DP4/4B & WDG4 as their Production is stopped and will be having 100 EMD Locomotive Homing Facility.
Same as Mariani Which will get all Dual Cab EMDs WDP4Ds & WDG4Ds and MXN will be of 50 EMD Locomotive Homing Facility.