Commercial Propulsion Engines 3512E Tier 4 / IMO III

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Key Specs

Power Range
1341-2549 bhp (1000-1901 bkW)
1341-2549 bhp (1000-1901 bkW)
Speed Range
1600-1800 rpm
1600-1800 rpm
Emissions
U.S. EPA Tier 4 Final, IMO III
U.S. EPA Tier 4 Final, IMO III

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.

Product Specifications for 3512E Tier 4 / IMO III

Power Range 1341-2549 bhp (1000-1901 bkW) 1341-2549 bhp (1000-1901 bkW)
Speed Range 1600-1800 rpm 1600-1800 rpm
Emissions U.S. EPA Tier 4 Final, IMO III U.S. EPA Tier 4 Final, IMO III
Aspiration TTA TTA
Bore 6.69 in 170 mm
Stroke 8.46 in 215 mm
Displacement 3574 in³ 58.6 l
Rotation from Flywheel End Counterclockwise Counterclockwise
Configuration Vee 12, 4-Stroke-Cycle Diesel Vee 12, 4-Stroke-Cycle Diesel
Minimum Dry Weight 18025 lb 8176 kg
Minimum Length 104.2 in 2624 mm
Maximum Length 125.4 in 3184 mm
Minimum Height 91.9 in 2335 mm
Maximum Height 91.9 in 2335 mm
Minimum Width 71.2 in 1808 mm
Maximum Width 81.9 in 2081 mm

3512E Tier 4 / IMO III Standard Equipment

Air Inlet System

  • Corrosion-resistant aftercooler core

Control 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

Fuel System

  • Duplex Fuel and Oil Filtration

Cooling System

  • Auxiliary fresh water pump
  • Gear Driven, centrifugal jacket water pump with 40% more capacity

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