3512C HD

SPECS SUMMARY

Power Range	1340-2366 bhp (1000-1765 bkW)
Speed Range	1600-1800 rpm
Emissions	EPA Tier 3, IMO II
Aspiration	TTA

The Cat 3512C marine propulsion engine makes your investment work harder. Through a wide range of available power ratings, no required aftertreatment technology, and nominal rated BSFC fuel consumption - it will drive down your total cost of ownership. With a redesigned piston bowl shape to improve combustion, and improved fuel delivery, this engine is IMO II emissions compliant and committed to sustainable environmental development. Single-source support, the Caterpillar warranty, and industry-leading one-year warranty on parts make the 3512C a fully integrated marine power solution

Specifications

Power Range	1340-2366 bhp (1000-1765 bkW)
Speed Range	1600-1800 rpm
Emissions	EPA Tier 3, IMO II
Aspiration	TTA
Bore	6.69 in (170 mm)
Stroke	8.5 in (215 mm)
Displacement	3574 in³ (58.6 l)
Rotation from Flywheel End	Counterclockwise
Configuration	Vee 12, 4-Stroke-Cycle Diesel
Width	80.2 in (2037 mm)
Height	87.5 in (2222.6 mm)
Dry Weight	16508 lb (7488 kg)
Length	104.2 in (2645 mm)

Benefits and Features

Making Your Investment Work Harder

Uses advanced predictive modeling software to select best nozzle configurations and combustion cylinder geometry, Stainless steel exhaust manifold and turbo heat shields, Closed crankcase ventilation system, Dual camshafts, Reduced aftercooler heat load for smaller heat exchanger requirements

Driving Down Total Cost of Ownership

A wide range of power ratings available, No aftertreatment technology required, Fuel consumption nominal rated BSFC

Committed to Sustainable Development

Modified piston bowl shape to improve combustion and reduce emissions, Uses K-factor injector to align with predictive model analysis, Better electronic injection control using crank timing vs. cam timing, EPA Marine Tier 3/IMO Tier II Emissions Compliant, Lower IMAT = Lower NOx

Improving Workforce Efficiency

Electronic governing (A4 ECU), Instrument panel shipped loose with Color Marine Power Display (MPD), Cold mode start strategy, Programmable low idle, Optional marine alarm and protection system

Fully Integrated Marine Power Solution

Single-source support, Caterpillar warranty for all factory packaged components, Industry-leading one-year warranty on parts

Standard Equipment

Air Inlet System

Separate circuit aftercooler core, corrosion resistant coated (air side)
Powercore air cleaner

Control System

Dual Caterpillar A4 Electronic Engine Control with Electronic Unit Injector Fuel System
Rigid Wiring Harness (10 amp DC power required to drive Electronic Engine Control Module)

Exhaust System

3500C engines:

Fuel System

Fuel transfer pump
Electronically Controlled Unit Injectors

Lube System

Crankcase breather groups, Top mounted
Oil filler and dipstick, LH or RH
Oil pump, gear type
250 or 1000 hour sump oil pan

Power Takeoffs

Accessory drives: Lower RH, lower LH
Front housing, two-sided

Protection System

A4 Electronic Monitoring System provides customer programmable engine derating strategies to protect against adverse operating conditions
Emergency stop push button (located in Electronic Instrument Panel)
Safety shutoff protection:

General

Vibration damper and guard
Lifting eyes
NOTE: Engines for heat exchanger cooling do NOT include heat exchange

Flywheel and Flywheel Housing

Flywheel, SAE No. 00, 183 teeth
Flywheel housing, SAE No. 00

Cooling System

Oil cooler
Thermostats and housing, Full open temperature 92 C (198 F)
Jacket water pump, gear driven, centrifugal
Auxiliary fresh water pump
Aftercooler system: If using glycol, up to maximum 20% glycol concentration is allowed

Instrumentation

Electronic service meter, instrument panel (24V), start/stop switch, emergency stop button, maintenance due light, diagnostic light, warning light, maintenance clear switch, start motor magnetic switch, 15 and 3A breakers
Graphical Unit (Color Marine Power Display) for analog or digital of: