If he went direct to multi engine training from EFT he'd arrive on the OCU with about 150 hours.
C130J course is 33 sims (approx 90 hours) & 4 flights (about 8 hours in the seat) followed by 12 sectors of line training in the aircraft (difficult to put a number on that but say 40 hours).
Grand total of about 200 hours in the aircraft.