Generac Industrial Power G4.5L engineGenerac Industrial Power’s G4.5L naturally aspirated engine has an engine block that offers integrated oil to water cooler for reduced oil temperatures and increased oil life. Five, four-bolt main caps provide increased strength and rigidity. A forged crankshaft provides superior strength and durability with precision balanced for long bearing life and reduced noise, vibration and harshness. Forged connecting rods with fracture-spilt caps provide strength and reduced cap shift, improving bearing life. High-performance cast aluminum pistons are designed for long engine life. Optimized skirt profile reduces friction and scuffing while chrome coated piston rings ensure long life
