EK Cargo
From their print timetable:
B777-300, B777-300ER: 23,000 kg
B777-200, A330-200: 17,000 kg
A340-500, B777-200LR: 15,000 kg
A340-300: 13,000 kg
A380: 8,000 kg
The aircraft is capable of carrying app. .... kg of cargo in addition to a full passenger load.
B747-400F: 117 tonnes
B777F: 103 tonnes