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3512E

Auxiliary Engines

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.

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Power Range 732-2399 bhp (546-1789 bkW)
Aspiration TA
Emissions U.S. EPA Tier 4 Final, IMO III
Bore 170 mm
Availability Contact Dealer
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3512E
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FEATURES & BENEFITS

Emissions

Utilizes SCR Technology to enable U.S. EPA Tier 4 Final emission regulations compliance while lowering operational costs, IMO III emissions compliant Read more

Utilizes closed loop air assisted DEF dosing control strategy

Highest efficiency mixing and control to lower operational costs, extends emissions useful life, ensures compliance, flexibility regarding urea quality Read more

Advanced Engine Combustion Design

Advanced engine combustion design process utilizing optimum configurations and cylinder geometry for maximum engine efficiency Read more

Enhanced control of fuel injection

Enhanced control of fuel injection optimized through crank timing and thelatest A5 ECM technology Read more

Enhanced Fuel Delivery

Optimal fuel injector nozzle geometry and electronic injection control for improved fuel delivery Read more

Increased Durability and Higher Engine Duty Cycle Capability

Strengthened cylinder heads and valves for increased durability and peak cylinder pressure capability resulting in higher engine duty cycle capability Read more

Caterpillar Warranty

Industry-leading warranty coverage for factory packaged components Read more

Global Dealer Network

No matter where or when, our extensive global dealer network is ready to provide support. Read more

SPECIFICATIONS FOR 3512E

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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

SELECT MODELS TO COMPARE

Auxiliary Engines

3516B

Minimum Rating 1287 bkW
Maximum Rating 1901 bkW
Aspiration TA
Displacement 69 l
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Auxiliary Engines

C9

Minimum Rating 162 bkW
Maximum Rating 269 bkW
Aspiration TA
Bore 112 mm
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Auxiliary Engines

C18 IMO II

Minimum Rating 301 bkW
Maximum Rating 492 bkW
Aspiration TA, TTA
Rotation from Flywheel End Counterclockwise
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Auxiliary Engines

3512B

Minimum Rating 933 bkW
Maximum Rating 1424 bkW
Aspiration TA
Stroke 170 mm
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Auxiliary Engines

C4.4 (Electronic)

Power Range 71/81/108/129 bkW @ 1800 rpm, 71/86/108 bkW @ 1500 rpm
Length 856 mm
Configuration In-line 4, 4-stroke-cycle diesel
Height 1038 mm
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Auxiliary Engines

C280

Minimum Rating 1730 bkW
Maximum Rating 5420 bkW
Aspiration TA
Configuration In-Line 6, Vee 8, Vee 12, Vee 16, 4-Stroke-Cycle Diesel
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Auxiliary Engines

3516E

Power Range 787-3175 bhp (587-2368 bkW)
Aspiration TA
Emissions U.S. EPA Tier 4 Final, IMO III
Stroke 215 mm
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Auxiliary Engines

C32 IMO III

Minimum Rating 781 bkW
Maximum Rating 994 bkW
Aspiration Turbocharged-aftercooled
Displacement 32.1 l
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