Mitsubishi INDUSTRIAL ENGINES

In Production

Mitsubishi S4S-DT61SDB

S4S Series

Mitsubishi S4S-DT61SDB 3.331L L4 constant-speed diesel engine for generator applications. Official MHI output without fan - 50 Hz: prime 36.1 kWm at 1500 rpm, standby 39.8 kWm at 1500 rpm. Emissions: Unregulated.

Mitsubishi S4S-DT61SDB|COMPACT CLASSIFICATION
GENSET ARCHITECTURE: L43.331 L
HEAVY-DUTY GENSET INTEGRATION PLATFORM
POWER CLASSIFICATION45 kVA
ELECTRICAL OUTPUT36 kWe
FUEL SYSTEMDiesel
READY FOR TURNKEY PACKAGING

Standby Power

45 kVA

Electrical Output

36 kWe

Cylinders / Config

L4

Displacement

3.331 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)
Prime36.132.540.6
Standby39.835.844.8

Mechanical & Electrical Specifications

BrandMitsubishi
ModelS4S-DT61SDB
SeriesS4S Series
ConfigurationL4
Cylinders4
Displacement3.331 L
Dry Weight250 kg
Dimensions (L×W×H)780 × 593 × 821 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 S4S-DT61SDB?

The Mitsubishi S4S-DT61SDB is rated at 45 kVA standby / 41 kVA prime at 50 Hz (1,500 rpm).

Does the S4S-DT61SDB run at 50 Hz or 60 Hz?

The Mitsubishi S4S-DT61SDB is rated for 50 Hz (1,500 rpm).

What fuel does the Mitsubishi S4S-DT61SDB use?

The Mitsubishi S4S-DT61SDB is a diesel generator-set engine.

What is the displacement and cylinder configuration of the S4S-DT61SDB?

The Mitsubishi S4S-DT61SDB is an inline-4 (4-cylinder) engine with a displacement of 3.331 L.

Is the Mitsubishi S4S-DT61SDB still in production?

Yes — the Mitsubishi S4S-DT61SDB is a current production model.

Is a datasheet available for the S4S-DT61SDB?

Yes — an official Mitsubishi datasheet for the Mitsubishi S4S-DT61SDB can be downloaded from this page.

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