5Z 511 then 4Z 827 at Johannesburg
Kimberley → Johannesburg → Mpumalanga
Timetable, Johannesburg time
16:555Z 511 from Kimberley at the gate
10:254Z 827 to Mpumalanga leaves the gate
17 h 30 apart on the timetable, overnight
4Z 827 leaves 17 h 30 after 5Z 511 arrives on the timetable: more than half a day, so not a connection we count.