Perkins
Perkins 404J-22G
400 Series
The Perkins 404J-22G is a 2.2-litre inline-4 diesel engine for generator sets, rated at 23 kVA / 18 kWe standby power at 1,500 RPM (50 Hz). It is a liquid-cooled engine built in China. It meets Euro Stage V / U.S. EPA Final Tier 4 emissions standards.
Overhaul & repair parts- Supporting documents
- 2 documents · 2 datasheets
- Last updated
- 2026-05-29
- Package route
- diesel generator sets
- Standby Power · 50 Hz
- 23 kVA
- Electrical Output
- 18 kWe
- Cylinders
- L4
- Displacement
- 2.2 L
- Rated Speed
- 1,500 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 17.8 | 16 | 20 |
| Standby Power | 20 | 18 | 22.5 |
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Perkins 404J-22G generator set context
The Perkins 404J-22G is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 23 kVA / 18 kWe / 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 | Perkins |
| Model | 404J-22G |
| Series | 400 Series |
| Configuration | L4 |
| Cylinders | 4 |
| Displacement | 2.2 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Euro Stage V / U.S. EPA Final Tier 4 |
| Country of Origin | China |
Frequently asked questions
What is the power output of the Perkins 404J-22G?
The Perkins 404J-22G is rated at 23 kVA standby / 20 kVA prime at 50 Hz (1,500 rpm).
Does the 404J-22G run at 50 Hz or 60 Hz?
The Perkins 404J-22G is rated for 50 Hz (1,500 rpm).
What fuel does the Perkins 404J-22G use?
The Perkins 404J-22G is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 404J-22G?
The Perkins 404J-22G is an inline-4 (4-cylinder) engine with a displacement of 2.2 L.
What emissions information is listed for the 404J-22G?
This record lists Euro Stage V / U.S. EPA Final Tier 4 for the Perkins 404J-22G. 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 Perkins 404J-22G?
The Perkins 404J-22G 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 404J-22G?
This page links reference documents for the Perkins 404J-22G. Check each document's title, model coverage, revision and rating conditions before using it for selection.