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CAT Marine Propulsion Engine 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.

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Overview

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 Rating

Power Range
1341-2549 bhp (1000-1901 bkW)

Engine Specifications

Speed Range
1600-1800 rpm
Configuration
Vee 12, 4-Stroke-Cycle Diesel

Engine

Emissions
U.S. EPA Tier 4 Final, IMO III
Aspiration
TTA
Bore
170.0 mm
Stroke
215.0 mm
Displacement
58.6 L

General

Rotation (from flywheel end)
Counterclockwise

Dimensions & Weights

Minimum Dry Weight
8176.0 kg
Minimum Length
2624.0 mm
Maximum Length
2624.0 mm
Minimum Height
2335.0 mm
Maximum Height
2335.0 mm
Minimum Width
1808.0 mm
Maximum Width
2081.0 mm
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