Name: Generac 14.2L Inline-6 SI
Brand: Generac
Availability: InStock

Overview#

The Generac 14.2L Inline-6 SI is a 14.2-liter, 6-cylinder inline 6 natural gas engine used in commercial and industrial generator applications in the 158-300 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.

Generators using this engine#

Generac SG175 (175 kW)
Generac SG230 (230 kW)
Generac SG250 (250 kW)
Generac SG275 (275 kW)
Generac SG300 (300 kW)

Found in these gensets

Generator models that ship with or are commonly paired with the Generac 14.2L Inline-6 SI.

Generac

Generac SG175

175 kW natural gas/LP standby. 10-15% cost advantage over Kohler. No diesel permitting required.

175 kW standby · Natural Gas · Liquid-cooled

175 kW natural gas standby for schools, mid-size hotels, and commercial campuses on gas mains.

175 kW standby natural gas generator with Generac 14.2L inline-6 turbocharged/aftercooled spark-ignited engine. EPA certified stationary emergency and non-emergency. Demand response ready.

3-phasecommercial-standbyindustrial-standby

Generac

Generac SG230

230 kW natural gas standby. No fuel storage permits needed. 10-15% below Kohler. Paralleling capability.

230 kW standby · Natural Gas · Liquid-cooled

230 kW natural gas standby for large commercial complexes and schools with existing gas service.

230 kW standby natural gas generator with Generac 14.2L inline-6 turbocharged/aftercooled spark-ignited engine. EPA certified stationary emergency and non-emergency. Demand response ready.

3-phasecommercial-standbyindustrial-standby

Generac

Generac SG250

250 kW natural gas industrial standby. No diesel infrastructure needed. 10-15% below Kohler pricing.

250 kW standby · Natural Gas · Liquid-cooled

250 kW natural gas standby for hospitals, multi-building campuses, and data centers on gas mains.

250 kW standby natural gas generator with Generac 14.2L inline-6 turbocharged/aftercooled spark-ignited engine. EPA certified stationary emergency and non-emergency. Demand response ready.

3-phasecommercial-standbyindustrial-standby

Generac

Generac SG275

275 kW natural gas standby. 10-15% below Kohler at comparable kW. Paralleling for multi-unit gas systems.

275 kW standby · Natural Gas · Liquid-cooled

275 kW natural gas standby for large commercial, municipal, and healthcare campuses on gas mains.

275 kW standby natural gas generator with Generac 14.2L inline-6 turbocharged/aftercooled spark-ignited engine. EPA certified stationary emergency and non-emergency. Demand response ready.

3-phasecommercial-standbyindustrial-standby

Generac

Generac SG300

300 kW natural gas standby. No diesel logistics or spill containment. Paralleling-ready controller.

300 kW standby · Natural Gas · Liquid-cooled

300 kW natural gas standby for hospitals, university campuses, and large commercial on gas mains.

300 kW standby natural gas generator with Generac 14.2L inline-6 turbocharged/aftercooled spark-ignited engine. EPA certified stationary emergency and non-emergency. Demand response ready.

3-phasecommercial-standbyindustrial-standby

Overview#

Generators using this engine#

Found in these gensets

Generac SG175

Generac SG230

Generac SG250

Generac SG275

Generac SG300

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