2004 Ford E-350 Super Duty Engine: 6.0L V8; Reverse Rotation; Electronic Fan Clutch;. 2005 Ford E-350 Super Duty Engine: 6.0L V8; Reverse Rotation; Electronic Fan Clutch;. 2006 Ford E-350 Super Duty Engine: 6.0L V8; Reverse Rotation; Electronic Fan Clutch;.