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.
Overhaul & repair parts- Manufacturer files
- 2 datasheets
- Last updated
- 2026-07-25
- Package route
- diesel generator sets
- Mechanical Output
- 45 kW
- Cylinders
- L4
- Displacement
- 3.331 L
- Rated Speed
- 1,500 RPM
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Mitsubishi S4S-DTB overhaul & repair parts
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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 information is listed for the S4S-DTB?
This record lists U.S. EPA Tier 3 / U.S. EPA Interim Tier 4 for the Mitsubishi S4S-DTB. Confirm the exact engine family, model year, configuration and applicable manufacturer certification documents before specifying it for a regulated project. A database label does not establish certification of a complete generator package.
What is the catalog status of the Mitsubishi S4S-DTB?
The Mitsubishi S4S-DTB is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.
Are reference documents available for the S4S-DTB?
This page links reference documents for the Mitsubishi S4S-DTB. Check each document's title, model coverage, revision and rating conditions before using it for selection.