Cat 3508B Marine Auxiliary/Generator Set Engine

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US
Metric

Power Rating

Minimum Rating 870.0 BHP 649.0 bkW

Maximum Rating 1298.0 BHP 968.0 bkW

Engine Specifications

Aspiration TA TA

Bore 6.7 in 170.0 mm

Stroke 7.5 in 190.0 mm

Displacement 2105.0 in³ 34.5 l

Configuration Vee 8 4-Stroke-Cycle Diesel Vee 8 4-Stroke-Cycle Diesel

Dimensions & Weights

Maximum Width 67.1 in 1703.0 mm

Minimum Dry Weight 11276.0 lb 5115.0 kg

Maximum Height 71.9 in 1826.0 mm

Minimum Width 67.1 in 1703.0 mm

Maximum Dry Weight 11500.0 lb 5216.0 kg

Minimum Height 71.1 in 1806.0 mm

Minimum Length 90.9 in 2310.0 mm

Maximum Length 92.5 in 2350.0 mm

Improved fuel economy

Reduced visible and gaseous emissions

Enhanced diagnostic and monitoring capabilities

Increased rated output with no reduction in reliability

3508B Standard Equipment

AIR INLET SYSTEM

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

Air cleaner, regular duty

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

CONTROL SYSTEM

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

Rigid Wiring Harness

COOLING SYSTEM

Oil cooler

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

Jacket water pump, gear driven, centrifugal

Auxiliary fresh water pump

Expansion tank

Auxiliary sea water pump, centrifugal, non-self-priming

EXHAUST SYSTEM

Dry gas tight exhaust manifolds with heat shields

Dual Turbochargers with watercooled bearings and heat shields

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

FLYWHEELS & FLYWHEEL HOUSINGS

Flywheel, SAE No. 00, 183 teeth

Flywheel housing, SAE No. 00

FUEL SYSTEM

Fuel filter, RH, with service indicators

Fuel transfer pump

Electronically Controlled Unit Injectors

INSTRUMENTATION

Overspeed shutdown notification light

Emergency stop notification light

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

LUBE SYSTEM

Crankcase breather, Top mounted

Oil filter, RH

Oil filler and dipstick, RH

500 hours sump oil pan

Oil pump, gear type

MOUNTING SYSTEM

Rails, engine mounting, engine length, industrial type, 254 mm (10 in), C-channel

POWER TAKE-OFFS

Accessory drive

Lower RH, Lower LH

Front housing, Two-sided

PROTECTION SYSTEM

A-III 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:

GENERAL

Vibration damper and guard

Paint, Caterpillar Yellow engine with black rails.

Lifting eyes

NOTE: 1. Engines for heat exchanger cooling do NOT include heat exchanger. 2. When used with competitive generator, a TVA is recommended. An alternative vibration damper may be required. 3. Engine is wired for auto start stop

3508B Optional Equipment

CHARGING SYSTEM

Battery Chargers

Charging Alternators

CONTROL SYSTEM

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)

FUEL SYSTEM

Fuel Cooler

Fuel priming pumps (LH and RH)

Flexible fuel lines

Rigid Fuel Lines

Primary fuel filter

LH Fuel Filter

Duplex fuel filters

Fuel level switch

GENERATORS AND GENERATOR ATTACHMENTS

1500 / 1800 RPM

1000 / 1200 RPM

Low voltage connection

Generator conversion

Low voltage extension box

RFI filter

Bearing temperature detectors (RTD)

Manual voltage control

Air filter

INSTRUMENTATION

PL1000T Communication Module

Customer Interface Box

Thermocouples

Remote panel display

Remote cylinder temperature display

LUBE SYSTEM

Deep Sump Oil Pan

Oil Pan Drain Valve

Oil Pan Drain Cover

Emergency Lube Oil Connections

Sump pumps

Oil filters

Lubricating oil

Lube system

MOUNTING SYSTEM

Rails

POWER TAKE-OFFS

Flywheel Guard

Flexible Coupling

Coupling Hub

Upper Left Hand Front Location

Upper Left Hand Rear 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

MARINE SOCIETY REQUIREMENTS

Spray Shielding

PROTECTION SYSTEM

Air inlet shutoffs

Switches and contactors

Explosion relief valve

Oil Temp Sensor

Intake Manifold Temp Sensor

SPECIAL APPEARANCE

Special appearance packages with chrome covers

Chrome plated relief valves

Black air cleaners

Yacht Class Finish

STARTING SYSTEM

Starting motors or barring divice

Air starting motors options

Starting aids

Battery sets - 24 volt - Dry

GENERAL

Tool set

Caterpillar datalink wire

SVCE TOOLS/SHIP PROT/FACTORY SUPPORT

FACTORY COMMISSIONING

PACKING

Shrink wrap protection

Shrink wrap protection - generator

Storage preservation with glycol solution/vapor corrosion inhibitor

Storage preservation with vapor corrosion inhibitor

Export packaging

AID emblem

EXHAUST SYSTEM

Horizontal Exhaust

Flexible fittings

Elbows

Flanges

Flange and exhaust expanders

Mufflers

AIR INLET SYSTEM

Remote Air Inlet Adapters

COOLING SYSTEM

Water level switch gauge

Coolant level sensors

Connections

Radiator cooling conversion

Keel Cooling Conversions

Heat exchangers

Auxiliary water pumps

Sea water pump removal

Air separator

3508B