At the end of 1993, the 6000 series was expanded with 6-cylinder cylinderswith models that initially had two: the 110-horsepower 6600 andThe 120-horsepower 6800. The 6600 had the familiar 5.88-liter and the 6800new 6.8-liter engine. Both were crowded and equippedUnlike 4-cylinders, with a viscous fan as standard. Constant power rangestarted at 6,600 from the 1840 rounds and at 6,800 from the 1660s. Alsoin terms of torsional properties, six was the peak of its time.