• Banner
Offshore Generator Sets

Oil and gas producers have relied on Caterpillar since the industry's earliest days. For 60 years, we've powered the petroleum business on land. Now we go with it onto the ocean, hundred of miles out, thousands of feet down.

3512B 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 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.

  • Specification Summary

  • Minimum Rating 880 ekW
  • Maximum Rating 1360 ekW
  • Emissions IMO Tier I
  • Weight 14975 kg
  • Specification Sheet


Product Details

Engine Specifications

Minimum Rating 880 ekW
Maximum Rating 1360 ekW
Emissions IMO Tier I
Weight 14975 kg
Stroke 190 mm
Displacement 52 l
Bore 170 mm
Oil Change Interval 1000 h
Engine Control ADEM A3
Aspiration Turbocharged-Aftercooled
Fuel System EUI


Height 2207 mm
Length 4842 mm
Width 1988 mm

Capacity for Liquids

Cooling System - Engine 401 l
Lube Oil System - Refill 318 l
    •  Separate Circuit aftercooler core, corrosion resistant coated(air side)Air cleaner, regular dutyDual Turbochargers, 152 mm (6 in) OD straight connection
    •  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)
    •  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)
    •  Dry gas tight exhaust manifolds with heat shieldsDual Turbochargers with watercooled bearings and heat shieldsExhaust outlet, vertical, 203 mm (8 in) round flanged outlet
    •  Flywheel, SAE No. 00, 183 teethFlywheel housing, SAE No. 00
    •  Fuel filter
    •  Fuel transfer pump
    •  Electronically Controlled Unit Injectors
    •  Fuel priming pump, LH
    •  Rigid fuel return line with customer connection point asbase of engine
    •  Overspeed shutdown notification light, Emergency stop notification light
    •  Graphical Unit (Marine Power Display) for analog or digital displayof:
  • Overspeed shutdown notification light, Emergency stop notification light
    • Graphical Unit (Marine Power Display) for analog or digital displayof:
        •  Crankcase breather, top mounted
        •  Oil cooler
        •  Oil filter and dipstick, LH
        •  Oil pump, gear-type
        •  Oil pan drain valve, 2" NPT female connection
        •  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:
        •  Air starting motor, RH, 620 to 1034 kPa (90 to 150 psi),LH control
        •  Air silencer
      • 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
          • 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
              •  Air filter — generator
              •  Bearing temperature detectors
              •  Cable access box
              •  Manual voltage control
              •  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
            • Vibration isolators
              • POWER TAKE-OFFS
                •  Auxiliary drive shafts and pulleys
              • Auxiliary drive shafts and pulleys
                • STARTING SYSTEM
                  •  Air or electric starting motor
                  •  Redundant start with select switch
                • Air or electric starting motor
                  • Redundant start with select switch
                    • PROTECTION SYSTEM
                      •  Spray shielding
                      •  Crankcase explosion relief valve
                      •  Metal particle detector
                    • Spray shielding
                      • Crankcase explosion relief valve
                        • Metal particle detector
                          • GENERAL
                            •  Jacket water heater
                          • Jacket water heater

                            Have a Question?


                            "Call Back Option available only for UAE, Bahrain, Kuwait, Oman and Qatar."