Mitsubishi
Mitsubishi S4S-DTB
SS Series
Mitsubishi S4S-DTB 3.331 L L4 Turbocharged diesel engine. The latest EPA certification record lists up to 45 kWm at 1800 RPM. U.S. EPA Tier 3 / U.S. EPA Interim Tier 4.
- Electrical Output
- 45 kW
- Cylinders
- L4
- Displacement
- 3.331 L
- Rated Speed
- 1,500 RPM
Mitsubishi S4S-DTB generator set context
The Mitsubishi S4S-DTB is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 45 kW / standby rating. Use this page to compare the published engine output, electrical kWe/kVA ratings, emissions level, datasheet availability, and neighboring models before specifying an alternator, controller, enclosure, voltage, and compliance package.
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Technical Specifications
| Brand | Mitsubishi |
| Model | S4S-DTB |
| Series | SS Series |
| Configuration | L4 Turbocharged |
| Cylinders | 4 |
| Displacement | 3.331 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 3 / U.S. EPA Interim Tier 4 |
| Certifications | U.S. EPA Tier 3, U.S. EPA Interim Tier 4 |
| Country of Origin | Japan |
Frequently asked questions
What fuel does the Mitsubishi S4S-DTB use?
The Mitsubishi S4S-DTB is a diesel generator-set engine.
What is the displacement and cylinder configuration of the S4S-DTB?
The Mitsubishi S4S-DTB is an inline-4 (4-cylinder) engine with a displacement of 3.331 L.
What emissions standard does the S4S-DTB meet?
The Mitsubishi S4S-DTB is certified to U.S. EPA Tier 3 / U.S. EPA Interim Tier 4 emissions standards.
Is the Mitsubishi S4S-DTB still in production?
Yes — the Mitsubishi S4S-DTB is a current production model.
Is a datasheet available for the S4S-DTB?
Yes — an official Mitsubishi datasheet for the Mitsubishi S4S-DTB can be downloaded from this page.
Reference
- Canonical page
- /engines/mitsubishi-s4s-dtb
- Last database update
- 2026-07-25
- Manufacturer files
- 2 datasheets linked
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