PSI

New

PSI 40L

Engines

PSI 40L natural gas / lpg engine. 39.2L V-12, turbocharged intercooled. Powers 660-800 kW commercial generators.

Overview#

The PSI 40L is a 39.2-liter, 12-cylinder v-12 natural gas / lpg engine used in commercial and industrial generator applications in the 660-800 kW class. Turbocharged Intercooled for reliable power density across standby and prime-rated duty cycles.

This engine powers generators from Blue Star Power Systems, Hipower Systems, making it one of the more widely deployed prime movers in its power class for the commercial standby market.

Generators using this engine#

Found in these gensets

Generator models that ship with or are commonly paired with the PSI 40L.

Blue Star Power Systems Blue Star NG800-01 800 kW liquid-cooled standby generator

Blue Star Power Systems

Blue Star NG800-01

Open Basler controller + PSI V12 engine + Stamford alternator — no proprietary lock-in. 800 kW gas class without OEM dealer dependency.

800 kW standby · Natural Gas / LPG · Liquid-cooled

800 kW natural gas / LP standby generator from Blue Star Power Systems. PSI 40L V12 turbocharged-aftercooled, DSE DCP7310 controller, three-phase 208-4160V.

EPA Stationary Spark Ignition3-phaselarge-commercialdata-center
Blue Star Power Systems Blue Star NG800-01P 800 kW liquid-cooled standby generator

Blue Star Power Systems

Blue Star NG800-01P

Open Basler controller + PSI V12 engine + Stamford alternator — prime-rated, no proprietary lock-in. Serviceable by any qualified tech.

800 kW standby · Natural Gas / LPG · Liquid-cooled

660 kW prime-rated natural gas / LP generator from Blue Star Power Systems. PSI 40L V12 turbocharged-aftercooled, DSE DCP7310 controller, three-phase 208-4160V.

EPA Stationary Spark Ignition3-phaselarge-commercialdata-center
Hipower Systems Hipower HNI-800 800 kW liquid-cooled standby generator

Hipower Systems

Hipower HNI-800

Broadest CARB-certified natural gas lineup from a Tier 2 manufacturer — 30 to 1000 kW with PSI and Origin engines.

800 kW standby · Natural Gas / LPG · Liquid-cooled

800 kW standby natural gas generator with PSI 39.2L V12 engine. CARB certified for California large-facility natural gas standby.

EPA Stationary Spark Ignition3-phaseindustrialdata-center

Need service for the PSI 40L?

Our technicians work on every major component OEM. We stock common parts and source rare ones.

Get A QuoteOr call (209) 229-1990