G3520 with FAST RESPONSE

Displacement: 5956 in³ / 97.6 l
Bore: 6.7 in / 170 mm
Stroke: 8.5 in / 215 mm

Caterpillar is leading the power generation marketplace with Fast Response generator sets engineered to deliver unmatched performance, reliability, and cost-effectiveness.

Loan Calculator Credit Application

Build & Quote

G3520 NOx Selectable Spec Sheet Gas Generator Set 50 and 60 Hz Ratings Guide G3520 EPA Certified Spec Sheet Electric Power Rating Guide

Specifications
Equipment
Related Products

Generator Set Specifications
Gas Standby Rating	2500 ekW @ 0.8pf
Fuel Type	Natural Gas, Hydrogen Blend (up to 5%)
Emissions/Fuel Strategy	U.S. EPA Stationary Non-Emergency Certified
RPM	1800 rpm
Frequency	60 Hz
Compression Ratio	11.5

Engine Specifications
Engine Model	G3520
Displacement	5956 in³ / 97.6 l
Aspiration	TA
Bore	6.7 in / 170 mm
Stroke	8.5 in / 215 mm

Generator Set Dimensions
Length	336 in / 8534 mm
Width	94 in / 2386 mm
Height	128 in / 3230 mm
Weight	48500 lb / 22000 kg

Standard Equipment

Air Inlet
- Two-element single-stage air cleaner with enclosure and service indicator
Control Panel
- Cat ECS 100
Cooling
- Jacket water and SCAC engine-driven pumps
- Jacket water and SCAC thermostats
Exhaust
- Cat-flanged face outlet on turbocharger
- Individual exhaust port and turbocharger outlet wired to integrated temperature sensing module (ITSM) with GCEM providing alarms and shutdowns
- Dry exhaust manifolds, insulated and shielded
Fuel System
- Gas pressure regulator
- Engine-installed electronic control valve
- 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
- 24V DC energized-to-run (ETR) gas shutoff valve
- Throttle plate, 24V DC actuator, controlled by GECM
General
- Crankshaft vibration damper and guard
- Operation and maintenance manuals
- RH Service
- Paint- Caterpillar Yellow with high gloss black rails and radiator
- Parts book
Generator
- SR5
- Permanent Magnet Excitiation
- NEMA Class H insulation
- Winding temperature detectors
- Integrated voltage regulator (IVR)
- Anti-condensation space heater
Starting/Charging
- Battery with cables and rack (shipped loose)
- 24V starting motors
- Electric Starter
- Jacket water heater
Governing System
- ADEM A4
Ignition System
- Electronic Ignition System (controlled by ADEM A4)
- Individual Cylinder Detonation Sensitive Timing (DST)

Optional Equipment

Air Inlet
- Air cleaner with precleaner
Control Panel
- Local alarm module
- EMCP 4.4
- Remote annunciator
- Remote PC monitoring
- Engine failure relay
- Local PC monitoring
Circuit Breakers
- 2000A, 2500A, 3000A 3 Pole, UL-100% Rated Masterpact Circuit Breakers
- 100% rated, 3-pole (UL/CSA/IEC) 5th Digit Rating
- 3-pole (IEC 947-2 rated)
- Frame mounting
- 1600A, 2000A 3 Pole, UL-100% Rated R-Frame Circuit Breakers
- S LSI, G LSIG, P LSIG-P, 4th Digit Type
Cooling
- Coolant level drain line with valves, fan with guard
- Package mounted radiator
Exhaust
- 305 mm (12 in.) muffler
- 305 mm (12in.) elbow
- 18, 25 dBA Attenuation
- 305 mm (12 in.) flange
- 305mm (12 in) spark arresting muffler
Fuel System
- 3, 0-100 kPag, 4-20mA gas train pressure sensors
General
- Digital diagnostic tool
Generator
- Low voltage extension box
- Bearing temperature detectors
- European bus bars
- Cable access box
- Generator air filter
Starting/Charging
- 45A, 24V charging alternator (requires engine driven pumps)
- 20A, 24VDC battery charger
Grid Code Compliance
- 60 Hz: USA

Electric Power Controls

Model
Cat® Energy Control System (ECS) 100
Cat® Energy Control System (ECS) 200

G3520 with FAST RESPONSE

Standard Equipment

Optional Equipment

Electric Power Controls

We're here to help