Emissions
IMO II/EPA Tier 3 Compliant Ratings
Separate Circuit Aftercooling System (SCAC) for A-C ratings
No seawater circulating through the aftercooling system to prevent corrosion.
Seven Ratings with Wide Operating Speed Range (WOSR)
Full power & torque are available for a broader operating speed range. For example: With an A rating at 1800 rpm - you have full power from 1500 to 1800 rpm.
Extended Oil Change Intervals
A Ratings: 1000 hours, B Ratings: 750 hours, C Ratings: 500 hours
The Cat Global Dealer Network
Extensive service network of CAT dealers as well as unparalleled service from certified authorized marine dealers.
Durability
Proven engine operating history: performance iron with thousands of hours of validation testing for quality and durability
Reliability
Backed by Caterpillar's standard warranty