Mitsubishi INDUSTRIAL ENGINES

In Production

Mitsubishi S12H-PTA

S12H Series

Mitsubishi S12H-PTA 37.110L V12 constant-speed diesel engine for generator applications. Official MHI output without fan - 50 Hz: prime 930 kWm at 1500 rpm, standby 1020 kWm at 1500 rpm; 60 Hz: prime 1020 kWm at 1800 rpm, standby 1120 kWm at 1800 rpm. Emissions: Unregulated.

Mitsubishi S12H-PTA|HEAVY INDUSTRIAL CLASSIFICATION
GENSET ARCHITECTURE: V1237.11 L
HEAVY-DUTY GENSET INTEGRATION PLATFORM
POWER CLASSIFICATION1330 kVA
ELECTRICAL OUTPUT1064 kWe
FUEL SYSTEMDiesel
READY FOR TURNKEY PACKAGING

Standby Power

1330 kVA

Electrical Output

1064 kWe

Cylinders / Config

V12

Displacement

37.11 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)
Prime930883.21104
Standby1020968.81211
60 Hz Grid Frequency1800 RPM
Operating DutykWm (Mechanical)kWe (Electrical)kVA (Rating)
Prime1020968.81211
Standby112010641330

Mechanical & Electrical Specifications

BrandMitsubishi
ModelS12H-PTA
SeriesS12H Series
ConfigurationV12
Cylinders12
Displacement37.11 L
Dry Weight4450 kg
Dimensions (L×W×H)2250 × 1472 × 1694 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 S12H-PTA?

The Mitsubishi S12H-PTA is rated at 1,211 kVA standby / 1,104 kVA prime at 50 Hz (1,500 rpm); and 1,330 kVA standby / 1,211 kVA prime at 60 Hz (1,800 rpm).

Does the S12H-PTA run at 50 Hz or 60 Hz?

The Mitsubishi S12H-PTA is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).

What fuel does the Mitsubishi S12H-PTA use?

The Mitsubishi S12H-PTA is a diesel generator-set engine.

What is the displacement and cylinder configuration of the S12H-PTA?

The Mitsubishi S12H-PTA is a V12 (12-cylinder) engine with a displacement of 37.11 L.

Is the Mitsubishi S12H-PTA still in production?

Yes — the Mitsubishi S12H-PTA is a current production model.

Is a datasheet available for the S12H-PTA?

Yes — an official Mitsubishi datasheet for the Mitsubishi S12H-PTA can be downloaded from this page.

Sibling & Competing Engine Models