G3520B Low Emissions Gas Compression Engine

The line of G3500B engines brings versatility, uptime, and low operating cost to your gas compression operation. They deliver the lowest engine-out emissions in the industry without sacrificing performance. Ideal applications for G3500B engines include gas lift, gas gathering, and wellhead gas compression. Cat G3520B gas engine. Ratings: 1104-1286 bkW (1480-1725 bhp) @ 1200-1400 rpm are NSPS site compliant capable.

Engine Specifications

Minimum Rating 1480BHP
Maximum Rating 1725BHP
Emissions NSPS Site Compliant Capable
Ignition, Protection ADEM™ A3

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