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Kubota D1403

D1403 Series

In Production

Kubota D1403 1.393L 3-cylinder diesel engine for generator sets. 11 kWe standby at 60Hz / 8.8 kWe at 50Hz. Used in Denyo DCA gensets. Indirect Injected.

Kubota D1403 1.393L L3 diesel generator engine — 11 kVA standby specifications
Kubota D1403 1.393L L3 diesel generator engine — 11 kVA standby specifications
Standby Power · 50 Hz
11 kVA
Electrical Output
9 kWe
Cylinders
L3
Displacement
1.393 L
Rated Speed
1,500 / 1,800 RPM

Power Ratings

kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf

50 Hz1500 RPM

kWmkWekVA
Prime Power9.38.410.5
Standby Power9.88.811

60 Hz1800 RPM

kWmkWekVA
Prime Power11.610.413
Standby Power12.21113.7

Kubota D1403 generator set context

The Kubota D1403 is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 11 kVA / 9 kWe / standby rating. 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

d1403Kubota D1403D1403 Series D1403

Technical Specifications

BrandKubota
ModelD1403
SeriesD1403 Series
ConfigurationL3
Cylinders3
Displacement1.393 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardUnregulated
Country of OriginJapan

Frequently asked questions

What is the power output of the Kubota D1403?

The Kubota D1403 is rated at 11 kVA standby / 11 kVA prime at 50 Hz (1,500 rpm); and 14 kVA standby / 13 kVA prime at 60 Hz (1,800 rpm).

Does the D1403 run at 50 Hz or 60 Hz?

The Kubota D1403 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).

What fuel does the Kubota D1403 use?

The Kubota D1403 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the D1403?

The Kubota D1403 is an inline-3 (3-cylinder) engine with a displacement of 1.393 L.

Is the Kubota D1403 still in production?

Yes — the Kubota D1403 is a current production model.

Reference

Canonical page
/engines/kubota-d1403
Last database update
2026-06-11
Manufacturer files
No datasheet linked yet

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