Kubota
Kubota GA90
GA Series
Kubota GA90 discontinued legacy small diesel engine. Kubota Engine Parts Direct lists GA90 under Discontinued Engine Series, Kubota Genuine Parts Catalog lists GA90 in the GA-series manual guide, and old Kubota literature listings cross-check the GA70-GA150 engine-parts catalog family.
Overhaul & repair parts- Manufacturer files
- No datasheet
- Last updated
- 2026-08-11
- Package route
- diesel generator sets
- Cylinders
- L1
- Rated Speed
- 1,500 RPM
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Kubota GA90 overhaul & repair parts
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Kubota GA90 generator set context
The Kubota GA90 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 | GA90 |
| Series | GA Series |
| Configuration | Single-cylinder diesel |
| Cylinders | 1 |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Emissions Standard | Legacy pre-current small diesel |
| Country of Origin | Japan |
Frequently asked questions
What fuel does the Kubota GA90 use?
The Kubota GA90 is a diesel generator-set engine.
What is the cylinder configuration of the GA90?
The Kubota GA90 is an inline-1 (1-cylinder) engine.
What emissions information is listed for the GA90?
This record lists Legacy pre-current small diesel for the Kubota GA90. 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 GA90 still in production?
No — the Kubota GA90 is discontinued. Its specifications and datasheets remain archived here for reference.