Mitsubishi INDUSTRIAL ENGINES

In Production

Mitsubishi S12A2-PTA

S12A2 Series

Mitsubishi S12A2-PTA 33.930L V12 constant-speed diesel engine for generator applications. Official MHI output without fan - 50 Hz: prime 679 kWm at 1500 rpm, standby 746 kWm at 1500 rpm; 60 Hz: prime 761 kWm at 1800 rpm, standby 850 kWm at 1800 rpm. Emissions: Unregulated.

Mitsubishi S12A2-PTA|HEAVY INDUSTRIAL CLASSIFICATION
GENSET ARCHITECTURE: V1233.93 L
HEAVY-DUTY GENSET INTEGRATION PLATFORM
POWER CLASSIFICATION1009 kVA
ELECTRICAL OUTPUT807 kWe
FUEL SYSTEMDiesel
READY FOR TURNKEY PACKAGING

Standby Power

1009 kVA

Electrical Output

807 kWe

Cylinders / Config

V12

Displacement

33.93 L

Rated Speed

1,500 RPM

ISO 8528 Power Ratings

Power Factor: 0.8 pf

kWm = mechanical engine shaft power · kWe = electrical output · kVA = apparent electrical power.

50 Hz Grid Frequency1500 RPM
Operating DutykWm (Mechanical)kWe (Electrical)kVA (Rating)
Prime679644.8806
Standby746708.8886
60 Hz Grid Frequency1800 RPM
Operating DutykWm (Mechanical)kWe (Electrical)kVA (Rating)
Prime761723.2904
Standby850807.21009

Mechanical & Electrical Specifications

BrandMitsubishi
ModelS12A2-PTA
SeriesS12A2 Series
ConfigurationV12
Cylinders12
Displacement33.93 L
Dry Weight3400 kg
Dimensions (L×W×H)2060 × 1382 × 1542 mm
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardUnregulated
Country of OriginJapan

Frequently Asked Questions

What is the power output of the Mitsubishi S12A2-PTA?

The Mitsubishi S12A2-PTA is rated at 886 kVA standby / 806 kVA prime at 50 Hz (1,500 rpm); and 1,009 kVA standby / 904 kVA prime at 60 Hz (1,800 rpm).

Does the S12A2-PTA run at 50 Hz or 60 Hz?

The Mitsubishi S12A2-PTA is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).

What fuel does the Mitsubishi S12A2-PTA use?

The Mitsubishi S12A2-PTA is a diesel generator-set engine.

What is the displacement and cylinder configuration of the S12A2-PTA?

The Mitsubishi S12A2-PTA is a V12 (12-cylinder) engine with a displacement of 33.93 L.

Is the Mitsubishi S12A2-PTA still in production?

Yes — the Mitsubishi S12A2-PTA is a current production model.

Is a datasheet available for the S12A2-PTA?

Yes — an official Mitsubishi datasheet for the Mitsubishi S12A2-PTA can be downloaded from this page.

Sibling & Competing Engine Models