Name: Mitsubishi S12A2-Y2PTAW-2
Brand: Mitsubishi
Availability: InStock

Overview#

The Mitsubishi S12A2-Y2PTAW-2 is a 33.93-liter, 12-cylinder v-12 diesel engine used in commercial and industrial generator applications in the 690-800 kW class. Turbocharged for reliable power density across standby and prime-rated duty cycles.

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

Generators using this engine#

Kohler 750REOZMD (760 kW)
Blue Star MD800-01 (800 kW)
Gillette SPMI-8000 (800 kW)

Found in these gensets

Generator models that ship with or are commonly paired with the Mitsubishi S12A2-Y2PTAW-2.

Blue Star Power Systems

Blue Star MD800-01

Open Basler controller + Mitsubishi V12 engine + Stamford alternator — no proprietary lock-in. Serviceable by any qualified tech, not just the dealer.

800 kW standby · Diesel · Liquid-cooled

800 kW diesel standby for industrial plants, campus power, and data centers where value engineering and non-proprietary component access matter.

800 kW Tier 2 diesel standby generator built by Blue Star Power Systems. Mitsubishi S12A2-Y2PTAW-2 33.9L V12 engine, Stamford S6L1D alternator, DSE DCP7310 controller. Three-phase, 208–4160V.

Tier 23-phaseindustrialmunicipal

Gillette

Gillette SPMI-8000

Factory-direct at 15-30% below major brands. Mitsubishi S12A2 engine + DSE controller — no proprietary lock-in. 3-7 day lead times.

800 kW standby · Diesel · Liquid-cooled

800 kW diesel standby for data centers, hospitals, industrial campuses, and large-scale critical infrastructure.

800 kW stationary diesel standby generator with Mitsubishi S12A2 engine. Made-in-USA with Stamford AVK HCI634 alternator, PMG excitation, and DSE 7420 MKII controller.

Tier 23-phasedata-centerhospital

Kohler

Kohler 750REOZMD

760 kW diesel standby -- Mitsubishi S12A2-Y2PTAW-2, sub-3% THD. Decision-Maker controller for load management and paralleling.

760 kW standby · Diesel · Liquid-cooled

760 kW commercial/industrial standby for hospitals, data centers, and large campuses requiring NFPA 110 Level 1.

760 kW diesel commercial/industrial standby generator powered by Mitsubishi. Suitable for hospitals, data centers, and large commercial complexes.

Tier 23-phasecommercialhealthcare