Kubota
Kubota Z400
Old Super Mini Series
Kubota Z400 discontinued old Super Mini industrial diesel. Kubota Genuine Parts Catalog lists Z400 in non-current Super Mini production and the manual guide covers Z400-B; Kubota Engine Parts Direct also lists Z400 under Discontinued Engine Series manuals.
Overhaul & repair parts- Manufacturer files
- 1 datasheet
- Last updated
- 2026-08-11
- Package route
- diesel generator sets
- Cylinders
- L2
- Displacement
- 0.4 L
- Rated Speed
- 1,500 RPM
Ask about Kubota Z400
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Kubota Z400 overhaul & repair parts
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Kubota Z400 generator set context
The Kubota Z400 is listed here as a diesel generator-drive engine for 50 Hz generator sets. 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 | Kubota |
| Model | Z400 |
| Series | Old Super Mini Series |
| Configuration | Inline-2, indirect-injection industrial diesel |
| Cylinders | 2 |
| Displacement | 0.4 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Legacy pre-current industrial emissions |
| Country of Origin | Japan |
Frequently asked questions
What fuel does the Kubota Z400 use?
The Kubota Z400 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the Z400?
The Kubota Z400 is an inline-2 (2-cylinder) engine with a displacement of 0.4 L.
What emissions information is listed for the Z400?
This record lists Legacy pre-current industrial emissions for the Kubota Z400. 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.
Is the Z400 still in production?
No — the Kubota Z400 is discontinued. Its specifications and datasheets remain archived here for reference.
Are reference documents available for the Z400?
This page links reference documents for the Kubota Z400. Check each document's title, model coverage, revision and rating conditions before using it for selection.