The 3512E marine propulsion engine is now available in a wide range of ratings that meet U.S. EPA Tier 4 Final and IMO III marine emissions regulations. As the commercial marine industry adjusts their operations to meet U.S. EPA Tier 4 Final and IMO III emissions standards, Caterpillar Marine has introduced a solution built to maximize performance while meeting regulations. Caterpillar’s combination of a fuel-efficiency-optimized engine and a selective catalytic reduction (SCR) aftertreatment system is a solution that not only reduces NOx emissions, but can also lower a customer’s owning and operating costs in the process.
| Power Range | 1341-2550 bhp (1000-1902 bkW) |
| Speed Range | 1600 - 1800 rpm |
| Emissions | U.S. EPA Tier 4, IMO II/III, EU Stage 5 |
| Aspiration | Twin Turbocharged - Aftercooled |
| Bore | 6.69in |
| Stroke | 8.46in |
| Displacement | 3574in³ |
| Rotation from Flywheel End | Clockwise or Counterclockwise |
| Configuration | V 12, 4-Stroke-Cycle Diesel |
| Approximate Weight | 12824lb |
| Oil Change Interval | 250 / 500 / 1000 |
| Minimum Dry Weight | 18025lb |
| Minimum Length | 123.5in |
| Maximum Length | 125.4in |
| Minimum Height | 91.9in |
| Maximum Height | 92.1in |
| Minimum Width | 80.2in |
| Maximum Width | 81.9in |
| Air Inlet System |
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| Control System |
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| Exhaust System |
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| General |
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| Fuel System |
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| Cooling System |
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