Cat® G3520, G3520B Industrial Gas Engine

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Description
Technical Specifications
Benefits and Features
Equipment

Cat® G3520 and G3520B Industrial Gas Engine. Ratings: 1104 bkW (1480 bhp) @ 1200 rpm and 1286 bkW (1725 bhp) @ 1400 rpm are NSPS site compliant capable with customer-supplied aftertreatment. For specific emission information, please consult your local Cat Dealer.

General
Bore 170 mm (6.7 in)
Stroke 190 mm (7.5 in)
Displacement 86.3 L (5263 in³)
Engine Configuration Engien - Continuous
Power Rating
Minimum Power 1480 HP
Maximum Power 1725 HP
Frequency 1200-1400 rpm
Engine Dimensions - Approximate
Height 2385 mm (94 in)
Weight - Net Dry 11168 kg (24622 lb)
Length 4180 mm (164 in)
Width 1755 mm (69 in)

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 lowers owning 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 individual cylinders

Ultra Lean Burn Technology (ULB)

ULB technology uses an advanced control system, a better turbo match, improved air and fuel mixing, and a more sophisticated combustion recipe to provide: - Lowest engine-out emissions - Highest fuel efficiency - Improved altitude and speed turndown - Stable load acceptance and load rejection

Advanced Digital Engine Management

ADEM A3 engine management system integrates speed control, air/fuel ratio control, and ignition/detonation controls 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 attachments reduces 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 SOSSM sample
  • Customer Support Agreements (CSA)
  • Caterpillar Extended Service Coverage (ESC)
  • Superior dealer service network
  • Extended dealer service network through the Cat Industrial Service Distributor (ISD) program

World-class Product Support Offered Through Global Cat Dealer Network

  • Scheduled maintenance, including SOSSM sample
  • Customer Support Agreements (CSA)
  • Caterpillar Extended Service Coverage (ESC)
  • Superior dealer service network
  • Extended dealer service network through the Cat Industrial Service Distributor (ISD) program

Standard Equipment:

  • Air Inlet System
    • Axial Flow Air cleaner
    • Cleanable
    • Intermediate-duty with service indicator
  • Control System
    • ADEM A3 with integrated electronic throttle control
    • Control panel
  • Cooling System
    • Two-stage charge air cooling
    • Thermostats and housing
    • Engine-driven jacket and aftercooler water pump
    • Stainless steel aftercooler cores
  • Exhaust System
    • Dry exhaust manifolds
    • Dry exhaust elbow
  • Flywheels And Flywheel Housings
    • SAE No. 00 flywheel
    • SAE No. 00 flywheel housing
    • SAE standard rotation
  • Fuel System
    • 7-50 psi gas supply
    • Fuel system is sized for 800 to 1200 btu/scf (31.5 to 47.2 MJ/Nm3)
    • Electronic fuel metering valve
    • Gas pressure regulator
    • Gas shutoff valve (GSOV)
  • Ignition System
    • ADEM A3
  • Lubrication System
    • Crankcase breather — top mounted
    • Oil cooler
    • Oil filter — RH
    • Oil pan — 143 gal
    • Drain valve
    • Oil sampling valve
    • Turbo oil accumulator
  • Mounting System
    • Engine mounting rails - 330.2 mm (13 in) industrial-type
  • Power Take-offs
    • Front housing — two-sided
    • Front lower LH, RH, and upper RH accessory drives
  • General
    • Paint — Cat yellow
    • Crankshaft vibration damper and guard
    • CSA Certification, Class 1 Division 2, Group D - electrical system and instrumentation - includes ADEM A3 and control panel

Optional Equipment:

  • Air Inlet System
    • Round air inlet adaptors
  • Charging System
    • Charging alternator - CSA approved 24V, 65 A
  • Cooling System
    • Flexible connections
  • Exhaust System
    • Flexible fittings
    • Flange and expander
  • Fuel System
    • Gas filter
  • Instrumentation
    • Communications module
  • Lubrication System
    • Lubricating oil
    • Oil bypass filter
    • Air prelube pump
  • Power Take-offs
    • Front stub shaft
    • Pulleys
    • Double damper
  • Protection System
    • Explosion relief valves
    • Secondary GSOV
  • Starting System
    • Air starting motor with controls (90 psi or 150 psi)
    • API B16.3 compliant piping
    • Jacket water heater
    • Barring group
  • General
    • Special paint
    • Torsional vibration analysis
  • Eu Certification
    • EEC DOI certification
  • Support
    • Factory commissioning


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