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.
Specifications
| Power Range | 1341-2549 bhp (1000-1901 bkW) |
| Speed Range | 1600-1800 rpm |
| Emissions | U.S. EPA Tier 4 Final, IMO III |
| Power Range | 1341-2549 bhp (1000-1901 bkW) |
| Speed Range | 1600-1800 rpm |
| Emissions | U.S. EPA Tier 4 Final, IMO III |
Benefits & Features
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
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 process utilizing optimum configurations and cylinder geometry for maximum engine efficiency
See More
Specifications
| Power Range | 1341-2549 bhp (1000-1901 bkW) |
| 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 |
| Minimum Dry Weight | 18025 lb |
| Minimum Length | 104.2 in |
| Maximum Length | 125.4 in |
| Minimum Height | 91.9 in |
| Maximum Height | 91.9 in |
| Minimum Width | 71.2 in |
| Maximum Width | 81.9 in |
| Power Range | 1341-2549 bhp (1000-1901 bkW) |
| Speed Range | 1600-1800 rpm |
| Emissions | U.S. EPA Tier 4 Final, IMO III |
| Aspiration | TTA |
| Bore | 170 mm |
| Stroke | 215 mm |
| Displacement | 58.6 l |
| Rotation from Flywheel End | Counterclockwise |
| Configuration | Vee 12, 4-Stroke-Cycle Diesel |
| Minimum Dry Weight | 8176 kg |
| Minimum Length | 2624 mm |
| Maximum Length | 3184 mm |
| Minimum Height | 2335 mm |
| Maximum Height | 2335 mm |
| Minimum Width | 1808 mm |
| Maximum Width | 2081 mm |
Benefits & Features
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
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 process utilizing optimum configurations and cylinder geometry for maximum engine efficiency
Enhanced control of fuel injection
Enhanced control of fuel injection optimized through crank timing and thelatest A5 ECM technology
Enhanced Fuel Delivery
Optimal fuel injector nozzle geometry and electronic injection control for improved fuel delivery
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
Industry-leading warranty coverage for factory packaged components
Global Dealer Network
No matter where or when, our extensive global dealer network is ready to provide support.
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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