The Generac 4.5L Inline-4 SI is a 4.5-liter, 4-cylinder inline 4 natural gas engine used in commercial and industrial generator applications in the 32-70 kW class. Turbocharged for reliable power density across standby and prime-rated duty cycles.
This engine powers generators from Generac, making it one of the more widely deployed prime movers in its power class for the commercial standby market.
50 kW natural gas/LP standby. No fuel storage permits needed. 10-15% below Kohler gas equivalent.
50 kW standby · Natural Gas · Liquid-cooled
50 kW natural gas standby for grocery stores, medical offices, and chain retail with gas service.
50 kW standby natural gas generator with Generac 4.5L turbocharged spark-ignited engine. EPA certified stationary emergency. Single and three-phase configurations.
3-phasecommercial-standbyindustrial-standby
Generac
Generac SG060
60 kW natural gas/LP standby. No diesel logistics. Largest dealer network (10,000+) for fast local service.
60 kW standby · Natural Gas · Liquid-cooled
60 kW natural gas standby for mid-size commercial, medical clinics, and chain restaurants.
60 kW standby natural gas generator with Generac 4.5L turbocharged spark-ignited engine. EPA certified stationary emergency. Single and three-phase configurations.
70 kW natural gas standby for large restaurants, small hotels, and commercial buildings on gas mains.
70 kW standby natural gas generator with Generac 4.5L turbocharged spark-ignited engine. EPA certified stationary emergency and demand response. Single and three-phase.
3-phasecommercial-standbyindustrial-standby
Need service for the Generac 4.5L Inline-4 SI?
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