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3508C Propulsion Engine

The 3508C marine propulsion engine meets IMO II emissions regulation and delivers more power with lower emissions for your marine propulsion needs. Additionally, the 3508C provides outstanding fuel efficiency and lube oil consumption. Standard or reverse rotation options are available as well as worldwide parts and service. The 3500 engine platform is a streamlined and proven design that provides industry-leading reliability & durability.

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Power Range775-1100 bhp (578-820 bkW)

Speed Range1200-1600 rpm

EmissionsIMO II, EU IW

AspirationTTA

Bore6.7in

Stroke7.5in

Displacement2107in³

Rotation from Flywheel EndCounterclockwise or Clockwise

ConfigurationVee 8, 4-Stroke-Cycle Diesel

Minimum Dry Weight10935lb

Length83.4in

Height72in

Width67in

Standard

Fuel filter, RH, with service indicators.

Fuel transfer pump.

Electronically controlled init injectors

Standard

Graphical Unit (Marine Power Display) for analog or digital display of

Optional

PL1000T Communication Module

Customer Interface

Thermocouples

Remote Panel Display

Remote Cylinder Temperature Display

Pilot House Instrument Panels

Marine Gear Sensors

Engine Vision Display System

Standard

Crankcase breather, Top mounted

Oil filter, RH, with service indicators

Oil filler and dipstick, RH

Standard sump oil pan (500 Hour oil change interval)

Oil pump, gear type

Optional

Oil Pan

Oil Pan Accessories

Sump Pumps

Lubricating Oil

Standard

Rails, engine mounting, ledge type, 203 mm x 203 mm (8 in x 8 in)

Optional

Engine Supports

Vibration Isolators

Standard

Accessory drive

Front housing, two-sided

Standard

A4 ECU Electronic Monitoring System provides customer programmable engine de-rate strategies to protect against adverse operating conditions

AIII Electronic Monitoring System provides customer programmable engine de-ration strategies to protect against adverse operating conditions

Emergency stop push button (located in Electronic Instrument Panel) Safety shutoff protection:

Optional

Air Inlet Shutoffs

Switches and Contactors

Explosion Relief Valve

Sensors

Standard

Vibration damper and guard

Lifting eyes

Paint, Caterpillar Yellow engine with black rails

NOTE: Engines for heat exchanger cooling do NOT include heat exchanger.

Optional

Tool set

Caterpillar datalink wire

Standard

Flywheel, SAE No. 0, 151 teeth.

Flywheel housing, SAE No. 0.

Standard

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

Air cleaner, regular duty

Dual turbochargers, 152 mm (6 in) OD straight connection

Optional

Remote Air Inlet Adapters

Standard

Dual Caterpillar A-III Electronic Engine Control, LH with Electronic Unit Injector Fuel System

Rigid Wiring Harness (10 amp DC power required to drive Electronic Engine Control Module)

Optional

Throttle Position Sensor

Throttle Position Signal Conv.

Throttle Position Sensor Removal

Local Speed Throttle Control

Throttle Synchronization

Standard

Oil cooler

Thermostats and housing, Full open temperature 92 C (198 F)

Jacket water pump, gear driven, centrifugal

Auxiliary fresh water pump with SCAC engines

Auxiliary sea water pump, Centrifugal, Non-self-priming

Expansion tank

Optional

Water Level Switch Gauge

Coolant Level Sensors

Connections

Keel Cooling Conversions

Heat Exchangers

Auxiliary Water Pumps

Sea Water Pump Removal

Coolant Shunt Tanks

Air Separator

Marine Gear Cooling

Standard

Dry gas tight exhaust manifolds with heat shields.

Dual turbochargers with watercooled bearings and heat shield.

Exhaust outlet, vertical, 203 mm (8 in) round flanged.

Optional

Exhaust Outlet

Flexible Fittings

Elbows

Flanges

Flange and Exhaust Expanders

Mufflers

Optional

Battery Charger, 10 amp

Charging Alternators

Optional

Front Housing Accessories

Flexible Coupling and Guards

Upper Left Hand Front Location:

Upper Right Hand Front Location:

Upper Right Hand Rear Location:

Lower Left Hand Front Location:

Lower Left Hand Rear Location:

Front Housing Accessory Drives

Upper LH Accessory Drive

Upper RH Accessory Drive

Front Power Take Offs

Crankshaft Pulleys

Damper Guard Removals

Optional

Special Appearance Packages with Chrome Covers

Chrome Plated Relief Valves

Black Air Cleaners

Yacht Class Finish

Optional

Starting Motors or Barring Device

Air Starting Motor Options:

Starting Aids

Battery Sets - 24 Volt - Dry

Battery rack

Optional

Shrink Wrap Protection

Storage Preservation with Glycol Solution/Vapor Corrosion Inhibitor

Storage Preservation with Vapor Corrosion Inhibitor

Export Packaging

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