Cat 3512E

Commercial propulsion engines

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About the Cat 3512E

 

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.

Specifications

Power Rating
Power Range 1341-2549 bhp (1000-1901 bkW)
Engine Specifications
Speed Range 1600-1800 rpm
Emissions U.S. EPA Tier 4 Final, IMO III
Aspiration TTA
Bore 6.69 in
Stroke 8.46 in
Displacement 3574 in³
Rotation from Flywheel End Counterclockwise
Configuration Vee 12, 4-Stroke-Cycle Diesel
Dimensions & Weights
Minimum Dry Weight 18025 lb
Minimum Length 104.2 in
Maximum Length 104.2 in
Minimum Height 91.9 in
Maximum Height 91.9 in
Minimum Width 71.2 in
Maximum Width 81.9 in

Features

Emissions

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

Utilizes closed loop air assisted DEF dosing control strategy

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

Advanced Engine Combustion Design

Advanced Engine Combustion Design
Advanced engine combustion design process utilizing optimum configurations and cylinder geometry for maximum engine efficiency

Enhanced control of fuel injection

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

Enhanced Fuel Delivery

Enhanced Fuel Delivery
Optimal fuel injector nozzle geometry and electronic injection control for improved fuel delivery

Increased Durability and Higher Engine Duty Cycle Capability

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

Caterpillar Warranty

Caterpillar Warranty
Industry-leading warranty coverage for factory packaged components

Global Dealer Network

Global Dealer Network
No matter where or when, our extensive global dealer network is ready to provide support.

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