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SG400 ( 21.9L 1 400 W CENERAC ( INDUSTRIAL <br /> INDUSTRIAL SPARK-IGNITED GENERATOR SET POWER <br /> EPA Certified Stationary Emergency <br /> APPLICATION AND ENGINEERING DATA DEMAND RESPONSE READY' <br /> ENGINE SPECIFICATIONS <br /> General Cooling System <br /> Make Generac Cooling System Type Pressurized Closed Recovery <br /> Cylinder# 12 Fan Type Pusher <br /> Type V12 Fan Speed(rpm) 1,404 <br /> Displacement-L(Cu In) 21.5(11336,42) Fan Diameter-mm(in) 1,117.6(44) <br /> Bore-mm(in) 128(5.03) <br /> Stroke-mm(n) 142(5.6) <br /> Compression Ratio . 10.0:1 Fuel System <br /> Intake Air Method TurbochargedrAftercooled Fuel Type Natural Gas <br /> Number of Main Bearings 7 Carburetor Down Draft <br /> Connecting Rods Alloy Steel Secondary Fuel Regulator Standard <br /> Cylinder Head Cast Iron-OHV Fuel Shut Off Solenoid Standard(Dual) <br /> Cylinder Liners Cast Alloy Steel <br /> Ignition Electronic Operating Fuel Pressure in H2O 11-15��...� <br /> Optional Operating Fuel Pressure in H2O 7-11 <br /> Piston Type Aluminum Alloy <br /> Crankshaft Type Forged Alloy Steel Engine Electrical System <br /> Lifter Type Solid <br /> Intake Valve Material High Temp Alloy Steel System Voltage 24 VDC <br /> Battery Charger Alternator Standard <br /> Exhaust Valve Material High Temp Alloy Steel Battery Size See Battery index 0161070SBY <br /> Hardened Valve Seats High Temp Alloy Steel Battery Voltage (2)-12 VDC <br /> Engine Governing Ground Polarity Negative <br /> Governor Electronic <br /> Frequency Regulation(Steady State) ±0.25% <br /> Lubrication System <br /> Oil Pump Type Gear <br /> Oil Filter Type Twin Full-Flow with Intercooler <br /> Crankcase Capacity-L(qts) 30(31.7) <br /> ALTERNATOR SPECIFICATIONS <br /> Standard Model Generac 520 mm Standard Excitation Pem7anent Magnet Excitation <br /> Poles 4 Bearings Sealed Ball <br /> Field Type Revolving Coupling Direct Via Flexible Disc <br /> Insulation Class-Rotor H Prototype Short Circuit Test Yes j <br /> Insulation Class•Stator H Voltage Regulator Type Full Digital $ <br /> Total Harmonic Distortion <5% Number of Sensed Phases All <br /> Telephone Interference Factor(TIF) <50 Regulation Accuracy(Steady State) ±0.25% <br />