G3512
Production of oil and gas in remote oilfields can be a challenge when utility power is not available. The Caterpillar product line of oilfield gas generator sets provides the ideal solutions for this challenge. Engines are designed to run on low to no-cost well site gas without sacrificing on performance. These generator sets allow customers to significantly reduce fuel cost and avoid the expense and logistics of diesel fuel deliveries. Plus, they are designed to withstand the harsh conditions in the oilfield and feature a heavy-duty construction ideal for loading and unloading operations.Cat generator sets are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty.
Emissions/Fuel Strategy
U.S. EPA Tier 2 S.I. Non Road Mobile
Aspiration
Turbocharged-2 stage after cooled
Bore
6.7 in
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Specification
Value
Emissions/Fuel Strategy
U.S. EPA Tier 2 S.I. Non Road Mobile
Aspiration
Turbocharged-2 stage after cooled
Bore
6.7 in
Stroke
7.5 in
Displacement
3173.0 in³
Engine Control and Protection
Electronic (ADEM 4)
Generator Set Control
EMCP 4.4 Control Panels
Frequency - Speed
60 Hz
Fuel System
Electronic Fuel Control Valve
Specification
Value
Length
196.0 in
Width
84.8 in
Height
89.6 in
  • Meets U.S. EPA Large SI Tier 2.*
  • Genset designed to be paired with the Cat® energy storage system for a complete drilling factory solution
  • Engine design built on the G3500 platform with proven reliability and durability
  • EMCP 4.4 shipped standard • Jacket water and lube oil heaters shipped standard
  • Rugged package base designed for oil fields
Lean air/fuel mixture provides best available emissions and fuel efficiency for engines of this bore size
ADEM™4 (A4) engine management system integrates speed control, air/fuel ratio control, and ignition/detonation controls into a complete engine management system. The ADEM™4 (A4) has an improved: user interface, display system, shutdown controls, and system diagnostics.
Large variety of factory-installed package attachments reduces packaging time
Every genset is full-load tested to ensure proper package performance.