New | G3512E Gas Generator Set

From natural gas-fueled combined heat and power (CHP) systems and emergency power for facilities, to renewable biogas energy to support the local grid, or electricity generated from coal mine gases, Caterpillar has a wide range of reliable gas power solutions.

Gas Generator Sets Specification
Maximum Continuous Rating1000 ekW
Fuel TypeNatural Gas
Maximum Electrical Efficiency42.2%
Maximum Standby Rating-
Engine Specification
Engine ModelG3512E
Bore6.7 in
Stroke7.5 in
Displacement3158.0 in3
Generator Set Dimension
Length181.0 in
Width65.0 in
Height89.0 in
Dry weight genset27475.0 lb
Air Inlet
Control Panels
  • Kilowatt transducer (ship loose)
  • ANSI/DN customer flange connections for JW inlet and outlet
  • Cat flanges on SCAC circuit
  • JW thermostats
  • Dry exhaust manifolds, insulated and shielded
  • Center section cooled turbocharger with Cat flanged outlet
  • Individual exhaust port and turbocharger outlet wired to Integrated Tmeperature Sensing Module (ITSM) with GECM providing alarms and shutdowns
Fuel system
  • Electronic fuel metering valve
  • Throttle plate, 24V DC actuator, controlled by GECM
  • Fuel system is sized for 31.5 to 47.2 MJ/NM3 dry pipeline natural gas with pressure of 10.2 to 34.5KPa to the engine fuel control valve
  • SR4B
  • Caterpillar's Digital Voltage Regulator (CDVR) with 3-phase sensing and KVAR/PF control
  • Reactive droop
  • Bus bar connections
  • Winding temperature detectors
  • Anti-condensation space heater
  • Bearing temperature detectors
  • 24V starting motors
  • Battery disconnect switch
  • Paint - Caterpillar Yellow except rails and radiatorsgloss black
  • Crankshaft vibration damper and guard
  • Operation and maintenance manuals
  • Parts book



Other Models in this Category

Select Generator Type

Hawthorne Power Systems Logo

Hot Deals - Buy New. Buy Now. We'll Make Your Down Payment. Learn More.

Why Cat is Better. Machine Comparison

With only a few days notice, we were able to get the emergency system working properly. Hawthorne Cat provided great leadership and excellent field support.
Mark Cripe
Helix Electric

San Diego - Power
Steve Jamison
Power Systems Sales Manager
858.376.6821 office
858.688.0083 mobile

Phillip J. Smith (PJ)
Service Manager - CSA Group/Truck Shop
858.376.6874 office
858.688.0134 mobile

Dan Hixon
Field Service Manager
858.376.6822 office
858.663.4652 mobile

Paul Karpf
Rental Department Manager
858.376.6888 office
858.688.0039 mobile

Tom Bonham
Product Support Sales &
Advanced Electrical Services Manager
858.376.6898 office
442.248.2108 mobile

Hawaii – Power
Cliff Yuen
Power Systems Sales Manager
808.676.0322 office
808.349.7767 mobile

Travis Tilton
General Service Manager
808.676.0314 office
808.864.1903 mobile

Bobby Fields
Rental Developer
808.676.0267 office
808.368.5445 mobile

Guam – Power
Myver Hecita
Power Systems Rental &
Sales Representative
671.649.4241 office
671.898.2740 mobile

Jimmy Cruz
Engine Service Manager
671.649.4216 office
671.488.2821 mobile