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3508B Offshore Generator Set

Cat 3500 offshore generator sets are specifically designed for drilling and production operations offshore. Decades of experience powering offshore vessels and platforms make have evolved into a product that offers proven performance, low emissions, high durability, and low owning and operating costs.Applications for 3500 offshore generator sets include main power, essential services power, and emergency power on-board drilling and production rigs and vessels.Cat generator sets are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty.Cat® 3508B offshore generator set. Ratings: 590-910 ekW (738-1138 kVA) @ 50/60 Hz (1000/1200/1500/1800 rpm). Meets IMO Tier I emission standards equivalent.

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Minimum Rating 738 kV·A
Maximum Rating 1138 kV·A
Emissions IMO Tier I
Bore 6.7 in
Displacement 2116 in³
Stroke 7.5 in
Fuel System EUI
Engine Control ADEM A3
Oil Change Interval 1000 h
Weight 27503 lb
Aspiration TUrbocharged-Aftercooled
Height 80.6 in
Width 70.2 in
Length 158.7 in
Cooling System - Engine 81.6 gal (US)
Lube Oil System - Refill 60 gal (US)
AIR INLET SYSTEM
  • Separate Circuit aftercooler core, corrosion resistant coated(air side)Air cleaner, regular dutyDual Turbochargers, 152 mm (6 in) OD straight connection
CONTROL SYSTEM
  • Caterpillar A-III Electronic Engine Control, LHwith Electronic Unit Injector Fuel SystemRigid Wiring Harness(10 amp DC power required to drive Electronic Engine Control Module)
COOLING SYSTEM
  • Outlet controlled thermostat and housing, full opentemperature 92°C (198°F)
  • Jacket water pump, gear driven
  • Single water outlet connection, includes flange:143 mm (5.6")
  • Aftercooler fresh water cooling pump (SCAC), gear drivencentrifugal
  • SCAC pump circuit contains a thermostat to keep theaftercooler coolant from falling below 30°C (85°F)
EXHAUST SYSTEM
  • Dry gas tight exhaust manifolds with heat shieldsDual Turbochargers with watercooled bearings and heat shieldsExhaust outlet, vertical, 203 mm (8 in) round flanged outlet
FLYWHEELS & FLYWHEEL HOUSINGS
  • Flywheel, SAE No. 00, 183 teethFlywheel housing, SAE No. 00
FUEL SYSTEM
  • Fuel filter
  • Fuel transfer pump
  • Electronically Controlled Unit Injectors
  • Fuel priming pump, LH
  • Rigid fuel return line with customer connection point asbase of engine
INSTRUMENTATION
  • Overspeed shutdown notification light, Emergency stop notification light
  • Graphical Unit (Marine Power Display) for analog or digital displayof:
LUBE SYSTEM
  • Crankcase breather, top mounted
  • Oil cooler
  • Oil filter and dipstick, LH
  • Oil pump, gear-type
  • Oil pan drain valve, 2" NPT female connection
PROTECTION SYSTEM
  • A-III Electronic Monitoring System provides customer programmableengine de-ration strategies to protect against adverse operatingconditions
  • Emergency stop push button (located in Electronic Instrument Panel)Safety shutoff protection:
STARTING SYSTEM
  • Air starting motor, RH, 620 to 1034 kPa (90 to 150 psi),LH control
  • Air silencer
GENERAL
  • Paint, Caterpillar yellow, with black rails
  • Vibration damper and guard
  • Lifting eyes
  • Engine and generator, three-point mounted to sub-base
  • Lift provisions on base
  • Oil drain extension
  • Engine length drip pan
AIR INLET SYSTEM
  • Remote Air Inlet Adapters
CHARGING SYSTEM
  • Battery Chargers
  • Charging Alternators
CONTROL SYSTEM
  • Load Sharing module
  • Local speed throttle control
  • Direct rack control interface, 0-200 mA DC control
COOLING SYSTEM
  • Coolant level sensors
  • Connections
  • Air separator
EXHAUST SYSTEM
  • Flexible fittings
  • Elbows
  • Flanges
  • Flange and exhaust expanders
  • Mufflers
FUEL SYSTEM
  • Fuel Cooler
  • Primary fuel filter
  • Fuel filters
  • Duplex fuel filters
  • Fuel level switch
GENERATOR ATTACHMENTS
  • Air filter — generator
  • Bearing temperature detectors
  • Cable access box
  • Manual voltage control
INSTRUMENTATION
  • PL1000T Communication Module
  • PL1000E Communication Module
  • Customer Interface Box
  • Remote panel display
  • Remote cylinder temperature display
  • Exhaust temperature thermocouples
  • Discrete I/O module
  • Intake manifold temperature sensors
  • Oil temperature sensor
LUBE SYSTEM
  • Duplex oil filter
  • Bypass centrifugal oil filter
  • 500-hour oil pan
  • Emergency lube oil connections
  • Oil level regulator
  • Prelube
  • Sump pump
MOUNTING SYSTEM
  • Vibration isolators
POWER TAKE-OFFS
  • Auxiliary drive shafts and pulleys
STARTING SYSTEM
  • Air or electric starting motor
  • Redundant start with select switch
PROTECTION SYSTEM
  • Spray shielding
  • Crankcase explosion relief valve
  • Metal particle detector
GENERAL
  • Jacket water heater