ALGERIA, Sept 28 (Reuters) - Iranian Oil Minister Bijan Zanganeh said on Wednesday OPEC producers were still trying to reach a deal on output limits and that under any such pact the Islamic Republic would agree to curtail its production "at close to 4 million barrels per day".

(Reporting by Vladimir Soldatkin; Editing by Dale Hudson) ((Dmitri.Zhdannikov@thomsonreuters.com;)(+442075428825))