3512E Marine Auxiliary/DEP Engine (U.S. EPA Tier 4 Final)
Auxiliary Engines
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Specification Summary
- Power Range 732-2399 bhp (546-1789 bkW)
- Aspiration TA
- Emissions U.S. EPA Tier 4 Final, IMO III
- Bore 170 mm
The 3512E marine auxiliary 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 Rating
| Power Range | 732-2399 bhp (546-1789 bkW) |
Engine Specifications
| Aspiration | TA |
| Emissions | U.S. EPA Tier 4 Final, IMO III |
| Bore | 170 mm |
| Displacement | 58.6 l |
| Stroke | 215 mm |
| Rotation from Flywheel End | Counterclockwise |
| Configuration | Vee 12, 4-Stroke-Cycle Diesel |
Dimensions & Weights
| Maximum Width | 2081 mm |
| Minimum Width | 1808 mm |
| Maximum Height | 2335 mm |
| Minimum Height | 2335 mm |
| Minimum Dry Weight | 8176 kg |
| Maximum Length | 3184 mm |
| Minimum Length | 2624 mm |
Air Inlet System
Corrosion-resistant aftercooler core
Control System
Dual A5 engine control modules with electronic unit injection and low pressure fuel system
Dual A5 engine control modules with electronic unit injection and low pressure fuel system
Exhaust System
Dual turbochargers with water-cooled bearings and heat shields
General
Vibration damper and guard
Meets SOLAS regulations
Vibration damper and guard
Meets SOLAS regulations
Fuel System
Duplex Fuel and Oil Filtration
Cooling System
Auxiliary fresh water pump
Gear Driven, centrifugal jacket water pump with 40% more capacity
30 Mins