2004 Mack CHN Engine: 11.9L -6 DIESEL; Position: Hub, Fan, Alternator and Air Conditioning;. 2005 Mack CHN Engine: 11.9L -6 DIESEL; Position: Alternator and Air Conditioning;. 2006 Mack CHN Engine: 11.9L -6 DIESEL; Position: Hub, Fan, Alternator and Air Conditioning;.
