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.
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- Manufacturer files
- No datasheet
- Last updated
- 2026-08-11
- Package route
- diesel generator sets
- Cylinders
- L3
- Displacement
- 0.64 L
- Rated Speed
- 1,500 RPM
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 standard does the D640 meet?
The Kubota D640 is certified to Legacy pre-current industrial emissions emissions standards.
Is the D640 still in production?
No — the Kubota D640 is discontinued. Its specifications and datasheets remain archived here for reference.