Gas generator sets
G3512 with FAST RESPONSE
Caterpillar is leading the power generation marketplace with Fast Response generator sets engineered to deliver unmatched performance, reliability, and cost-effectiveness.
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| Gas Standby Rating | 1000 ekW @ 0.8pf |
|---|---|
| Fuel Type | Natural Gas, Hydrogen Blend (up to 5%) |
| Emissions/Fuel Strategy | U.S. EPA Certified for Non-Emergency Stationary Genset |
| RPM | 1800 rpm |
| Frequency | 60 Hz |
| Displacement | 3173 in³ |
| Compression Ratio | 9.7 |
| Engine Model | G3512 |
|---|---|
| Displacement | 3173 in³ |
| Aspiration | TA |
| Bore | 6.7 in |
| Stroke | 7.5 in |
| Length | 205.7 in |
|---|---|
| Width | 90 in |
| Height | 99.4 in |
| Weight | 27500 lb |
Air Inlet
- Two-element single-stage air cleaner with enclosure and service indicator
- Dual air cleaners, 1 per side, with service indicator
Control Panel
- Cat ECS 100
Cooling System
- Engine driven pumps for jacket water and separate circuit aftercooler
Cooling
- Package mounted radiator
- Jacket water and SCAC engine-driven pumps
- Jacket water and SCAC thermostats
- LH or RG connections when radiator is not selected
Exhaust
- Dry exhaust manifolds, insulated and shielded
- Individual exhaust port and turbocharger outlet wired to integrated temperature sensing module (ITSM) with GCEM providing alarms and shutdowns
- Cat-flanged face outlet on turbocharger
Fuel
- NOx sensor based air-fuel-ratio control
- Pipeline Natural Gas: 800-1000 BTU/scf and 70-100 Methane Number
- Gas Train: NFPA37 and CSA B149.3
- 0.5 to 5 psi engine fuel inlet pressure
Fuel System
- 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
- Engine-installed electronic control valve
- Throttle plate, 24V DC actuator, controlled by GECM
- 24V DC energized-to-run (ETR) gas shutoff valve
- Gas pressure regulator
General
- Operation and maintenance manuals
- Paint- Caterpillar Yellow except rails and radiators gloss black
- Parts book
- “Stationary Use Only” Label in Correspondence with EPA Nonroad Mobile SI rule
- RH Service
- Crankshaft vibration damper and guard
Lubrication
- Cartridge style oil filter
- Gear type lube oil pump
Starting/Charging
- Jacket water heater
- Battery with cables and rack (shipped loose)
- Electric Starter
- Batteries with rack and cables
- 24V DC starting motors
Generator
- NEMA Class H insulation
- Permanent Magnet Excitiation
- SR5
- Anti-condensation space heater
- Caterpillar's Digital Voltage Regulator (CDVR) including reactive droop capability, 3-phase voltage sensing, KVAR/PF modes, RFI suppression, and a min/max exciter
- Winding temperature detectors
Ignition System
- Electronic Ignition System (controlled by ADEM A4)
- Individual Cylinder Detonation Sensitive Timing (DST)
Governing
- ADEM A4 speed governor with 4 to 20ma (0V to 5V) speed input
- Download ↓G3512 Generator Set Spec Sheet (EPA Certified)
- Download ↓G3512 1000kW Generator Spec Sheet (Load Management)
- Download ↓Electric Power Rating Guide
- Download ↓Gas Generator Set 50 and 60 Hz Ratings Guide
Need installed dimensions with enclosure and tank? See Model Configurations