Kubota
Kubota GA120
GA Series
Kubota GA120 discontinued legacy small diesel engine. Kubota Engine Parts Direct lists GA120 under Discontinued Engine Series, Kubota Genuine Parts Catalog lists GA120 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
- L2
- Rated Speed
- 1,500 RPM
Ask about Kubota GA120
Choose parts / service or sourcing. Your message includes this model and page link.
Kubota GA120 overhaul & repair parts
Already running a Kubota GA120? Start with the parts you need, then send your nameplate so we can help check the right references for your engine.
Start with engine identification
We do not have a reviewed public parts preview for this model yet. Send the engine details and tell us what needs repair.
Let’s identify the right parts.
The model is the starting point. Serial numbers and build configurations can change which parts fit.
- Take a clear photo of the engine nameplate.
- Tell us what needs repair or replacement.
- Send both in WhatsApp to start a fitment check.
Opens WhatsApp with GA120 and your selected categories included. Attach your photos there.
Kubota GA120 generator set context
The Kubota GA120 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.
Also searched as
Technical Specifications
| Brand | Kubota |
| Model | GA120 |
| Series | GA Series |
| Configuration | Inline-2 diesel |
| Cylinders | 2 |
| 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 GA120 use?
The Kubota GA120 is a diesel generator-set engine.
What is the cylinder configuration of the GA120?
The Kubota GA120 is an inline-2 (2-cylinder) engine.
What emissions information is listed for the GA120?
This record lists Legacy pre-current small diesel for the Kubota GA120. 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 GA120 still in production?
No — the Kubota GA120 is discontinued. Its specifications and datasheets remain archived here for reference.