Offshore drilling & production generator sets

3512B

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 3512B offshore generator set. Ratings: 880-1360 ekW (1100-1943 kVA) @ 50/60 Hz (1000/1200/1500/1800 rpm). Meets IMO Tier I emission standards equivalent. Select ratings meet IMO Tier II emission standards.

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Product Design

  • Developed specifically to meet the demands of oil and gas applications
  • Proven reliability and durability
  • Robust diesel strength design prolongs life and lowers owning and operating costs
  • Market-leading power density
  • Designed to perform in oilfield conditions, including high ambient and high altitude applications
  • Long overhaul life proven in oilfield applications
  • Core engine components designed for reconditioning and reuse at overhaul

Ease of Installation

  • Inner-outer base mounting configuration simplifies rig integration
  • Wide range of attachments enable configuration flexibility
  • Inner base three-point generator mounting maintains factory alignment
  • Single lifting point simplifies installation work

Advanced Digital Engine Management

  • ADEM A3 engine management system provided engine control, monitoring, and protection.

Safety

  • E-stop pushbutton on instrument panel
  • Air shutoff and explosion relief valves available
  • Configurable alarm, derate, and shutdown set points
  • Extra alarms, inputs, and outputs available

Custom Packaging

  • For any petroleum application, trust Caterpillar to meet your project needs with custom factory generator sets and mechanical packages. Cat engines, generators, controls, radiators, and transmissions can be custom designed and matched in collaboration with our local dealers to create unique solutions. Custom packages are globally supported and are covered by a one year warranty after startup.

Testing

  • Every Cat generator set is full-load tested to ensure proper engine performance. – Generator sets are assembled, tested, and validated as a package to ensure performance, reliability and durability.

Product Support Offered Through the Global Cat Dealer Network

  • More than 2,200 dealer outlets
  • Cat factory-trained dealer technicians service every aspect of your Cat petroleum product
  • Worldwide parts availability, service, and warranty
  • Preventive maintenance agreements available for repair-before- failure options
  • S•O•SSM program matches your oil and coolant samples against Caterpillar set standards to determine:
    • Internal engine component condition
    • Presence of unwanted fluids
    • Presence of combustion by-products
    • Site-specific oil change interval

Over 80 Years of Engine Manufacturing Experience

  • Ownership of manufacturing processes enables Caterpillar to produce high quality, dependable products

Web Site

  • For all your petroleum power requirements, visit www.cat.com/oilandgas.
Engine Specifications
Minimum Rating1100.0 kV·A
Maximum Rating1943.0 kV·A
EmissionsIMO Tier I
Weight33014.0 lb
Stroke7.5 in
Displacement3175.0 in³
Bore6.7 in
Oil Change Interval1000.0 h
Engine ControlADEM A3
AspirationTurbocharged-Aftercooled
Fuel SystemEUI
Dimensions
Height86.9 in
Length190.6 in
Width78.3 in
Capacity for Liquids
Cooling System - Engine106.0 gal (US)
Lube Oil System - Refill84.0 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
  • 3512B Offshore Generator Set (1207 ekW (1508 kVA) 1257 bkW (1686 bhp) 50 Hz (1500 rpm)
    application/pdf
  • 3512B Offshore Emergency Generator Set 1360 ekW (1943 kVA) 1424 bkW (1910 bhp) 60 Hz (1800 rpm)
    application/pdf

Need installed dimensions with enclosure and tank? See Model Configurations