Mitsubishi INDUSTRIAL ENGINES
In ProductionMitsubishi S4S-61SDB
S4S Series
Mitsubishi S4S-61SDB 3.331L L4 constant-speed diesel engine for generator applications. Official MHI output without fan - 50 Hz: prime 26.9 kWm at 1485 rpm, standby 29.8 kWm at 1485 rpm. Emissions: Unregulated.
Standby Power
32 kVA
Electrical Output
25 kWe
Cylinders / Config
L4
Displacement
3.331 L
Rated Speed
1,500 RPM
ISO 8528 Power Ratings
Power Factor: 0.8 pfkWm = mechanical engine shaft power · kWe = electrical output · kVA = apparent electrical power.
| Operating Duty | kWm (Mechanical) | kWe (Electrical) | kVA (Rating) |
|---|---|---|---|
| Prime | 26.9 | 22.9 | 28.6 |
| Standby | 29.8 | 25.4 | 31.7 |
Mechanical & Electrical Specifications
| Brand | Mitsubishi |
| Model | S4S-61SDB |
| Series | S4S Series |
| Configuration | L4 |
| Cylinders | 4 |
| Displacement | 3.331 L |
| Dry Weight | 245 kg |
| Dimensions (L×W×H) | 781 × 593 × 710 mm |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Unregulated |
| Country of Origin | Japan |
Frequently Asked Questions
What is the power output of the Mitsubishi S4S-61SDB?
The Mitsubishi S4S-61SDB is rated at 32 kVA standby / 29 kVA prime at 50 Hz (1,485 rpm).
Does the S4S-61SDB run at 50 Hz or 60 Hz?
The Mitsubishi S4S-61SDB is rated for 50 Hz (1,485 rpm).
What fuel does the Mitsubishi S4S-61SDB use?
The Mitsubishi S4S-61SDB is a diesel generator-set engine.
What is the displacement and cylinder configuration of the S4S-61SDB?
The Mitsubishi S4S-61SDB is an inline-4 (4-cylinder) engine with a displacement of 3.331 L.
Is the Mitsubishi S4S-61SDB still in production?
Yes — the Mitsubishi S4S-61SDB is a current production model.
Is a datasheet available for the S4S-61SDB?
Yes — an official Mitsubishi datasheet for the Mitsubishi S4S-61SDB can be downloaded from this page.