CAT® G3412 INDUSTRIAL GAS ENGINE
Cat® G3412 Industrial Gas Engine. Ratings: 448-475 bkW (600-637 bhp) @ 1800 rpm are NSPS site compliant capable with customer-supplied aftertreatment. Some ratings also have standard emission settings available for export only. For specific emission information, please consult your local Cat Dealer.
general
Bore137 mm (5.4 in)
Stroke152 mm (6.0 in)
Displacement27 L (1649³)
AspirationTurbocharged Aftercooled (TA)
Engine ConfigurationEngine - Continuous


power rating
Minimum Power448.0 bkW
Maximum Power475.0 bkW
Frequency1800 rpm
engine dimensions approximate final dimensions dependent on selected options
Weight, Net Dry2141 kg (4720 lb)
Height1960 mm (77 in)
Width1598 mm (63 in)
Length2442 mm (96 in)
G3412 STANDARD EQUIPMENT
- air inlet system
Air cleaner — single element with service indicator - control system
Governor — Woodward PSG mechanica
Governor control — positive locking - cooling system
Thermostats and housing
Jacket water pump
Aftercooler water pump
Aftercooler core - exhaust system
Watercooled exhaust manifolds
Dry exhaust elbow - flywheel
Flywheel Housing - sae no 0 flywheel###sae no 0 flywheel housing###sae standard rotation
Fuel System - gas pressure regulator###natural gas carburetor
Ignition System - digital ignition system
Instrumentation - service meter
Lube System - crankcase breather — top mounted###oil cooler###oil filter — rh###auxiliary oil reservoir###rear sump oil pan###oil filler in valve cover and dipstick — rh
Mounting System - engine supports
Protection System - shutoff
General - paint — cat yellow###crankshaft vibration damper and drive pulleys###lifting eyes
G3412 OPTIONS
- air inlet system
Air cleaner
Air inlet adapter
Precleaner
Air cleaner rain cap - charging system
Battery chargers
Charging alternators
Ammeter gauge
Ammeter gauge and wiring
Control mounting - control system
EG3P/2301A speed control governor
PSG electric governor
PSG pneumatic governor - cooling system
Radiators
Blower fan and fan drives for customer suppliedradiators
ATAAC conversion
Aftercooler
Expansion tank
Heat exchanger - exhaust system
Flexible fittings
Elbows
Flanges
Rain caps
Mufflers - fuel system
Dual gas regulator
Low energy fuel carburetor
Low pressure gas conversion
Propane and natural gas valve and jet kits
Fuel filter - ignition system
CSA ignition
Ignition ground wiring harness
Power supply — digital ignition system - instrumentation
Alarm module
Gauges and instrument panels - lube system
Auxiliary oil reservoir removal
Lubricating oil - mounting system
Vibration isolators - power takeoffs
Auxiliary drive pulleys
Enclosed clutch
Clutch support
Front stub shaft
Flywheel stub shaft
Pulley removal - protection system
Gas valves
Status control box interconnect wiring harness - starting system
Air starting motor
Electric air start control
Air pressure regulator
Air silencer
Electric starting motors — single 24-volt
Starting aids
Battery sets (24-volt dry), cables, and rack - general
Tool set
Digital diagnostic tool