Cat® G3520, G3520B Industrial Gas Engine
The Cat® G3520 and G3520B Industrial Gas Engines are offered in the following ratings: 1104 bkW (1480 bhp) @ 1200 rpm and 1286 bkW (1725 bhp) @ 1400 rpm. These ratings are NSPS site compliant capable with customer-supplied aftertreatment. For specific emission information, please consult your local Cat Dealer.
Standard Equipment
Air Inlet System
- Axial Flow Air cleaner
- Cleanable
- Intermediate-duty with service indicator
Control System
- ADEM A3 with integrated electronic throttle control
- Control panel
Cooling System
- Two-stage charge air cooling
- Thermostats and housing
- Engine-driven jacket and aftercooler water pump
- Stainless steel aftercooler cores
Exhaust System
- Dry exhaust manifolds
- Dry exhaust elbow
Flywheels and Flywheel Housings
- SAE No. 00 flywheel
- SAE No. 00 flywheel housing
- SAE standard rotation
Fuel System
- 7-50 psi gas supply
- Fuel system is sized for 800 to 1200 btu/scf (31.5 to 47.2 MJ/Nm3)
- Electronic fuel metering valve
- Gas pressure regulator
- Gas shutoff valve (GSOV)
Ignition System
Lubrication System
- Crankcase breather — top mounted
- Oil cooler
- Oil filter — RH
- Oil pan — 143 gal
- Drain valve
- Oil sampling valve
- Turbo oil accumulator
Mounting System
- Engine mounting rails - 330.2 mm (13 in) industrial-type
Power Take-Offs
- Front housing — two-sided
- Front lower LH, RH, and upper RH accessory drives
General
- Paint — Cat yellow
- Crankshaft vibration damper and guard
- CSA Certification, Class 1 Division 2, Group D - electrical system and instrumentation - includes ADEM A3 and control panel
Optional Equipment
Air Inlet System
Charging System
- Charging alternator - CSA approved 24V, 65 A
Cooling System
Exhaust System
- Flexible fittings
- Flange and expander
Fuel System
Instrumentation
Lubrication System
- Lubricating oil
- Oil bypass filter
- Air prelube pump
Power Take-Offs
- Front stub shaft
- Pulleys
- Double damper
Protection System
- Explosion relief valves
- Secondary GSOV
Starting System
- Air starting motor with controls (90 psi or 150 psi)
- API B16.3 compliant piping
- Jacket water heater
- Barring group
General
- Special paint
- Torsional vibration analysis
EU Certification
Support