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

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

Specifications
Equipment

Generator Set Specifications
Gas Standby Rating	2000 ekW @ 0.8pf
Fuel Type	Natural Gas, Hydrogen Blend (up to 5%)
Emissions/Fuel Strategy	U.S. EPA Stationary Non-Emergency Certified
Frequency	60 Hz
RPM	1800 rpm
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
- Dry exhaust manifolds, insulated and shielded
- 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
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
- Gas pressure regulator
- Throttle plate, 24V DC actuator, controlled by GECM
- 24V DC energized-to-run (ETR) gas shutoff valve
General
- Parts book
- Paint- Caterpillar Yellow with high gloss black rails and radiator
- Operation and maintenance manuals
- Crankshaft vibration damper and guard
- RH Service
Generator
- Permanent Magnet Excitiation
- Integrated voltage regulator (IVR)
- SR5
- Winding temperature detectors
- Anti-condensation space heater
- NEMA Class H insulation
Starting/Charging
- 24V starting motors
- Battery with cables and rack (shipped loose)
- Jacket water heater
- Electric Starter
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
- EMCP 4.4
- Local alarm module
- Engine failure relay
- Remote annunciator
- Remote PC monitoring
- Local PC monitoring
Circuit Breakers
- 1600A, 2000A 3 Pole, UL-100% Rated R-Frame Circuit Breakers
- 100% rated, 3-pole (UL/CSA/IEC) 5th Digit Rating
- S LSI, G LSIG, P LSIG-P, 4th Digit Type
- Frame mounting
- 3-pole (IEC 947-2 rated)
- 2000A, 2500A, 3000A 3 Pole, UL-100% Rated Masterpact Circuit Breakers
Cooling
- Package mounted radiator
- Coolant level drain line with valves, fan with guard
Exhaust
- 18, 25 dBA Attenuation
- 305mm (12 in) spark arresting muffler
- 305 mm (12in.) elbow
- 305 mm (12 in.) flange
- 305 mm (12 in.) muffler
Fuel System
- 3, 0-100 kPag, 4-20mA gas train pressure sensors
General
- Digital diagnostic tool
Generator
- Bearing temperature detectors
- Generator air filter
- Cable access box
- European bus bars
- Low voltage extension box
Starting/Charging
- 20A, 24VDC battery charger
- 45A, 24V charging alternator (requires engine driven pumps)
Grid Code Compliance
- 60 Hz: USA

G3520 with FAST RESPONSE

Standard Equipment

Optional Equipment

We're here to help