Panavia Tornado GR.Mk1:
Fuel and load:
internal fuel - 11,211 lb (5090 kg);
external fuel - up to 13,200 lb (5988 kg) in two 2250-litre (594-US gal) and two 1500-litre (396-US gal) or four 1500-litre drop tanks;
nominal maximum ordnance - more than 9000 kg (19,841 lb)
I just can't find any pics with all four tanks