Kubota
Kubota D640
Old Super Mini Series
Kubota D640 discontinued old Super Mini industrial diesel. Kubota manual-guide and old Super Mini parts rows identify D640-B, and Kubota Engine Parts Direct lists D640 under Discontinued Engine Series.
Overhaul & repair parts- Manufacturer files
- 1 datasheet
- Last updated
- 2026-08-11
- Package route
- diesel generator sets
- Cylinders
- L3
- Displacement
- 0.64 L
- Rated Speed
- 1,500 RPM
Ask about Kubota D640
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Kubota D640 overhaul & repair parts
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Kubota D640 generator set context
The Kubota D640 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 | D640 |
| Series | Old Super Mini Series |
| Configuration | Inline-3, indirect-injection industrial diesel |
| Cylinders | 3 |
| Displacement | 0.64 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 D640 use?
The Kubota D640 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the D640?
The Kubota D640 is an inline-3 (3-cylinder) engine with a displacement of 0.64 L.
What emissions information is listed for the D640?
This record lists Legacy pre-current industrial emissions for the Kubota D640. 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 D640 still in production?
No — the Kubota D640 is discontinued. Its specifications and datasheets remain archived here for reference.
Are reference documents available for the D640?
This page links reference documents for the Kubota D640. Check each document's title, model coverage, revision and rating conditions before using it for selection.