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The Cat® G3512 and G3512B Industrial Gas Engines are offered in the following ratings: 589-642 bkW (790-860 bhp) @ 1200 rpm and 749-772 bkW (1004-1035 bhp) @ 1400 rpm. These ratings are NSPS site compliant capable with customer-supplied aftertreatment. For specific emission information, please consult your local Cat Dealer.

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Power Rating
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Minimum Power 790.0 HP 589.0 kW
Maximum Power 1035.0 HP 772.0 kW
Frequency 1200-1400 rpm 1200-1400 rpm

Emissions

Ratings are NSPS site compliant capable with customer-supplied aftertreatment. For specific emission information, please consult your local Cat Dealer.

Engine Design

  • Built on G3500 LE proven reliability and durability
  • Ability to burn a wide spectrum of gaseous fuels
  • Robust diesel strength design prolongs life and lowersowning and operating costs
  • Broad operating speed range at lower site air densities(high altitude/hot ambient temperatures)
  • Higher power density improves fleet management
  • Quality engine diagnostics
  • Detonation-sensitive timing control for individualcylinders

Ultra Lean Burn Technology (ULB)

ULB technology uses an advanced control system, abetter turbo match, improved air and fuel mixing, and amore sophisticated combustion recipe to provide:- Lower environmental impact- Higher return on investment- Lower operating costs- Higher work force efficiency

Advanced Digital Engine Management

ADEM A3 engine management system integrates speedcontrol, air/fuel ratio control, and ignition/detonationcontrols into a complete engine management system.ADEM A3 has improved: user interface, display system,shutdown controls, and system diagnostics.

Full Range of Attachments

Large variety of factory-installed engine attachmentsreduces packaging time.

Quality

Every Cat engine is manufactured to stringent quality standards in order to assure customer satisfaction.

World-class Product Support Offered Through Global Cat Dealer Network

  • Scheduled maintenance, including S•O•SSM sample
  • Customer Support Agreements (CSA)
  • Caterpillar Extended Service Coverage (ESC)
  • Superior dealer service network
  • Extended dealer service network through the CatIndustrial Service Distributor (ISD) program

G3512/G3512B Standard Equipment

Air Inlet System
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  • Axial flow air cleaner
  • Cleanable
  • Single element canister type with service indicator

G3512/G3512B Optional Equipment

Air Inlet System
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  • Round air inlet adaptors