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Minimum Rating

1100 kV·A

Maximum Rating

1943 kV·A

Emissions

IMO Tier I

3512B Offshore Generator Set

ABOUT THE 3512b OFFSHORE

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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Minimum Rating
1100kV·A
Maximum Rating
1943kV·A
Emissions
IMO Tier I
Weight
33014lb
Stroke
7.5in
Displacement
3175in³
Bore
6.7in
Oil Change Interval
1000h
Engine Control
ADEM A3
Aspiration
Turbocharged-Aftercooled
Fuel System
EUI
Height
86.9in
Length
190.6in
Width
78.3in
Cooling System – Engine
106gal (US)
Lube Oil System – Refill
84gal (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

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Terms and Conditions

Small Excavators Big Savings: Terms and Conditions

* Offer valid from October 1, 2024 through December 31, 2024 on new 313 through 317 Cat® excavators sold by participating Cat dealers to customers in the USA or Canada. Purchase must occur during offer period. Offer subject to machine availability and credit approval by Cat Financial. Not all customers will qualify. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply.

The Great Payback: Terms and Conditions

*Offer valid from October 1, 2024 through December 31, 2024. Offer only available on select new Cat® machines listed in our Heavy Equipment Promotion page. Purchase must occur by December 31, 2024. Offer subject to machine availability. Offer is subject to credit approval by Caterpillar Financial Services Corporation for US customers, and Caterpillar Financial Services Limited for Canadian customers. Not all customers will qualify. The offered Cat Customer Value Agreement (CVA) includes 6 maintenance parts kits; S∙O∙SSM; and 36 month VisionLink® ConnectPro. The maintenance parts cover the first 3,000 hours^ (estimated 3 years) of machine utilization. Each kit contains one set of parts for regular planned maintenance under normal operating conditions. In some severe applications where maintenance parts need to be replaced more frequently, additional parts will be at customer’s expense. Offer excludes additional maintenance parts, dealer labor, wear parts, and fluids. Offer also includes a 36 month/5000 hour (whichever occurs first) Powertrain, Hydraulics and Technology Equipment Protection Plan (EPP). In some areas, EPP might be sold separately from the CVA. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply. Contact your Cat dealer for details.

Compact Equipment Offer: Terms and Conditions

Financing provided by Caterpillar Financial.
*Offer valid from October 1, 2024 through December 31, 2024. Offer only available on purchases of new mini excavators, micro excavators, skid steer loaders, and compact track loaders sold by participating Cat dealers to customers in the USA or Canada. Purchases (both machine and CVA) and machine delivery must occur by December 31, 2024. Offer subject to machine availability. Offer is subject to credit approval by Caterpillar Financial Services Corporation for US customers, and Caterpillar Financial Services Limited for Canadian customers. Not all customers will qualify. The credit $500 USD for CVA purchase can only be applied toward the purchase of a qualifying Cat Customer Value Agreement (CVA). CVA must be at least 2yr/1000hr and must include 1-year Preventative Maintenance Parts Kit, TA1 annual Inspection, signed CVA contract, and Product LinkTM. Amount of CVA credit is the same for all models and cannot exceed the price of the qualifying CVA. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply.

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