3512E
Key Specifications
Aspiration
TA
Power range
732 – 2.399 bhp (546 – 1.789 bkW)
Emissions
U.S. EPA Tier 4 Final, IMO III
The 3512E is a large-displacement auxiliary marine engine available in a wide range of power ratings that meet U.S. emissions standards. EPA Tier 4 Final and IMO II.
One of its main innovations is the combination of an engine with optimized fuel efficiency and a Selective Catalytic Reduction (SCR) after-treatment system which is capable of reducing NOx emissions, as well as being very useful for the containment of the customer's owning and operating costs in the process. Caterpillar introduced this solution to optimize performance while fully complying with regulations, thus meeting EPA Tier 4 Final and IMO II emission standards.
Why Choosing It
Emissions
The 3512E uses SCR technology to meet U.S. emissions standards. EPA Tier 4 Final, also reducing operating costs; the auxiliary engine complies with IMO III emissions standards
It adopts a closed-loop def dosage control strategy with pneumatic assistance
To reduce operating costs, extend the useful life of the emissions treatment system, ensure compliance with standards and flexibility regarding urea quality, Caterpillar has focused on maximum mixing and control efficiency for the 3512E engine.
Advanced engine combustion design
To ensure maximum engine efficiency, an advanced engine combustion design process has been implemented that takes advantage of optimal cylinder configurations and geometries
Better control of fuel injection
With the 3512E auxiliary engine, better control of fuel injection is guaranteed, optimized through crankshaft timing and the most innovative A5 ECM technology
Better fuel delivery
Thanks to the optimal geometry of the injector nozzles and electronic injection control, better fuel delivery is guaranteed
Increased engine life and duty cycle capacity
The heads and valves are reinforced to ensure longer life and maximum cylinder pressure capacity to increase the engine’s duty cycle capacity
Caterpillar warranty
Industry-leading warranty coverage for factory-assembled components
Global dealer network
Caterpillar’s extensive global dealer network is always ready to support you, wherever you are, at any time.
Technical Features
NOMINAL POWER
| Power range | 732 – 2.399 bhp (546 – 1.789 bkW) |
TECHNICAL SPECIFICATIONS OF THE ENGINE
| Aspiration | TA |
| Emissions | U.S. EPA Tier 4 Final, IMO III |
| Bore | 170 mm |
| Displacement | 58.6 l |
| Stroke | 215 mm |
| Rotation from the flywheel side | side Anticlockwise |
| Configuration | 4-stroke diesel configuration, V 12 |
DIMENSIONS AND WEIGHTS
| Maximum width | 2081 mm |
| Minimum width | 1808 mm |
| Maximum height | 2335 mm |
| Minimum height | 2335 mm |
| Minimum dry weight | 8176 kg |
| Maximum length | 2624 mm |
| Minimum length | 2624 mm |
Standard Equipment
The engine includes standard equipment, already included in the purchase package. They are:
AIR INTAKE SYSTEM
- Corrosion-resistant aftercooler core
CONTROL SYSTEM
- A5 dual engine control module with electronic unit injection and low-pressure fuel system
EXHAUST SYSTEM
- Twin turbocharger with water-cooled bearings and heat shields
FOR USE
- Vibration damper and protection
- Complies with SOLAS regulations
FUEL SYSTEM
- Double fuel and oil filter
COOLING SYSTEM
- Auxiliary fresh water pump
- Gear driven centrifugal jacket water pump with flow rate over 40%
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