G3512/G3512B

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


SPECIFICATIONS
Power Rating
Minimum Power 790 BHP
Maximum Power 1035 BHP
Frequency 1200-1400 rpm


General
Bore 170 mm (6.7 in)
Stroke 190 mm (7.5 in)
Displacement 51.8 L (3158 in³)
Aspiration Turbocharged Aftercooled (TA)
Engine Configuration Engine - Continuous


Engine Dimensions - Approximate
Height 2136 mm (84.1 in)
Length 3023 mm (119 in)
Weight - Net Dry 4950 kg (10913 lb)
Width 2220 mm (87.4 in)


BENEFITS & FEATURES
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

EQUIPMENT
Standard Equipment

Air Inlet System
  • Axial flow air cleaner
  • Cleanable
  • Single element canister type with service indicator
Control System
  • ADEM A3 with integrated electronic throttle control
  • CSA certified
Cooling System
  • Two-stage charge air cooling
  • Thermostats and housing
  • Gear-driven jacket and aftercooler water pump
  • Stainless steel aftercooler cores
Exhaust System
  • Dry exhaust manifolds
  • Exhaust outlet: 200 mm I.D.
Flywheels and Flywheel Housings
  • SAE No. 00 flywheel
  • SAE No. 00 flywheel housing
  • SAE standard rotation
Fuel System
  • 7-50 psi gas supply
  • Electronic fuel metering valve
  • Gas pressure regulator, pivot valve operated
Ignition System
  • ADEM A3
  • Outdoor CSA certified
Lubrication System
  • Crankcase breather — top mounted
  • Oil cooler
  • Oil filter — RH
  • Oil pan
  • Oil sampling valve
  • Turbo oil accumulator
Power Take-Offs
  • Front housing — two-sided
  • Front lower — LH accessory drive
Torsional Vibration Analysis
  • Provided through Caterpillar
General
  • Paint — Cat yellow
  • Crankshaft vibration damper and guard

Optional Equipment

Air Inlet System
  • Round air inlet adaptors
Charging System
  • Battery chargers
  • CSA certified version available with
Cooling System
  • Mechanical joint assembly connections
Exhaust System
  • Flexible fittings
  • Elbows
  • Flanges
Fuel System
  • Gas filter
Instrumentation
  • Advisor display panel
  • Communications module
Lubrication System
  • Lubricating oil
  • Oil bypass filter
  • Air prelube pump
Power Take-Offs
  • Front stub shaft
  • Pulleys
General
  • Special paint
EU Certification
  • EEC DOI certification
Support
  • Factory commissioning

CONNECT. DISCUSS. SOLVE.
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