CATERPILLAR 320D Excavator 6.4 (Cat 3066 ATAAC) 140 HP Diesel 2006-2018 CATERPILLAR 320D FM Tracked Harvester 6.4 (Cat C6.4) 147 HP Diesel 2012- CATERPILLAR 320D L Excavator 6.4 (Cat 3066 ATAAC) 140 HP Diesel 2006-2018 CATERPILLAR 321C Excavator 6.4 (3066T ATAAC) 140 HP Diesel 2003-2009 CATERPILLAR 321D Excavator 6.4 (C6.4 ACERT) 140 HP Diesel 2006-2018 CATERPILLAR 323D L Excavator 6.4 (3066 ATAAC) 147 HP Diesel 2007- CATERPILLAR 323D LN Excavator 6.4 (3066 ATAAC) 138 HP Diesel 2006-2011 CATERPILLAR 323D S Excavator 7.1 (Cat C7.1 ACERT) 156 HP Diesel 2007-2014