Yangdong
Yangdong YSD490ZLD
YSD Series
Yangdong YSD490ZLD is a 2.545 L inline-4 turbocharged and air-aftercooled diesel generator engine. EPA annual certification data lists 40 kWm at 1800 RPM under Interim Tier 4 for model years 2011 and 2012, with electronic EGR.
Overhaul & repair parts- Manufacturer files
- No datasheet
- Last updated
- 2026-07-25
- Package route
- diesel generator sets
- Mechanical Output
- 40 kW
- Cylinders
- L4
- Displacement
- 2.545 L
- Rated Speed
- 1,500 RPM
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Yangdong YSD490ZLD overhaul & repair parts
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Yangdong YSD490ZLD generator set context
The Yangdong YSD490ZLD is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 40 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 | Yangdong |
| Model | YSD490ZLD |
| Series | YSD Series |
| Configuration | L4 Turbocharged Aftercooled |
| Cylinders | 4 |
| Displacement | 2.545 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Interim Tier 4 |
| Certifications | U.S. EPA Interim Tier 4 |
| Country of Origin | China |
Frequently asked questions
What fuel does the Yangdong YSD490ZLD use?
The Yangdong YSD490ZLD is a diesel generator-set engine.
What is the displacement and cylinder configuration of the YSD490ZLD?
The Yangdong YSD490ZLD is an inline-4 (4-cylinder) engine with a displacement of 2.545 L.
What emissions information is listed for the YSD490ZLD?
This record lists U.S. EPA Interim Tier 4 for the Yangdong YSD490ZLD. 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 Yangdong YSD490ZLD?
The Yangdong YSD490ZLD is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.