Kubota
Kubota ZB400
ZB Series
Kubota ZB400 discontinued horizontal two-cylinder diesel. Kubota Engine Parts Direct lists ZB400 under Discontinued Engine Series; Kubota Engine Discovery identifies the ZB400 as a 1980 diesel with 400 cc displacement, two cylinders, and horizontal water-cooled four-stroke construction.
Chat on WhatsApp about this engine
Opens WhatsApp with Kubota ZB400 and this page link filled in.
- Manufacturer files
- No datasheet
- Last updated
- 2026-08-11
- Package route
- diesel generator sets
- Cylinders
- L2
- Displacement
- 0.4 L
- Rated Speed
- 1,500 RPM
Kubota ZB400 generator set context
The Kubota ZB400 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 | ZB400 |
| Series | ZB Series |
| Configuration | Horizontal inline-2, water-cooled four-stroke 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 ZB400 use?
The Kubota ZB400 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the ZB400?
The Kubota ZB400 is an inline-2 (2-cylinder) engine with a displacement of 0.4 L.
What emissions standard does the ZB400 meet?
The Kubota ZB400 is certified to Legacy pre-current industrial emissions emissions standards.
Is the ZB400 still in production?
No — the Kubota ZB400 is discontinued. Its specifications and datasheets remain archived here for reference.