Kubota D1105-BG2

Kubota D1105-BG2 — 1.123-litre Inline-3 diesel engine. Find specifications, documents and parts support below.

Production StatusProduction Discontinued

Generator engines

Specifications and documentation remain archived for reference.

Mechanical Output: 8 kW
Cylinders: L3
Displacement: 1.123 L
Rated Speed: 1,500 RPM

Estimated electrical output

Engine power × 0.90. These are estimates, not manufacturer generator ratings. Actual output depends on the alternator and operating conditions.

Frequency / duty	Engine	Estimate
Frequency and duty unverified	8.4 kWm	7.6 kWe

Datasheet & documents

Match the model number on your engine plate to the document. Check its revision date and the speed and duty listed for each power rating.

Documents

We do not have a document for this model here yet. Send the model and serial number, and tell us which manual you need.

Ask for a document on WhatsApp

Source notes

Official Kubota generator-engine category and exact model parameter tables reviewed 2026-11-06.

Base model record, distinct from region/customer-specific suffix records; specifications must not be transferred automatically to those variants.

Source engine.kubota.com · source.

Engine Model: D1105-BG2; Emission Regulation: EU Stage V; Type: Vertical, water cooled 4-cycle diesel engine; Cylinders: 3; Bore and Stroke

mm(in): 78.0 x 78.4 (3.07 x 3.09); Displacement

L (cu.in): 1.123 (68.53); Aspiration: Naturally aspirated; Aftertreatment: -; Stand-by output / speed *1 kW (HP) / rpm: 9.5 (12.7) / 1500; Continuous output / speed *2 kW (HP) / rpm: 8.4 (11.3) / 1500; Combustion System: Indirect injection; Fuel System: In-line pump; Length x Width x Height *3 (Without Aftertreatment Unit) mm (in): 516 x 391 x 605 (20.3 x 15.4 x 23.8); Length x Width x Height *4 (With Aftertreatment Unit) mm (in): -; Dry Weight kg (lb): 110 (243).

Outputs are manufacturer SAE J1349 net mechanical continuous and stand-by ratings, not electrical kWe.

Continuous is not relabelled ISO prime.

Multiple speed ratings and any differing specifications remain in these source-qualified notes; nonunique scalar fields are withheld.

Dimensions exclude cooling fan and aftertreatment unit as stated by source.

Production status not confirmed; discontinued is the user-authorized catalogue classification for unknown status, not manufacturer-confirmed withdrawal.

View D1105-BG2 spec image

Kubota D1105-BG2 1.123L Inline-3 diesel generator engine specifications — Shareable spec cardKubota D1105-BG2 summary imageOpen image

Technical specifications

Technical Specifications

Brand	Kubota
Model	D1105-BG2
Series	Generator engines
Configuration	Inline-3
Cylinders	3
Displacement	1.123 L
Dry Weight	110 kg
Dimensions (L×W×H)	516 × 391 × 605 mm
Fuel Type	Diesel
Ignition Type	Compression Ignition
Cooling Method	Liquid-Cooled
Emissions Standard	EU Stage V
Country of Origin	Japan

Check your engine model

The Kubota D1105-BG2 is a diesel generator-drive engine for applications whose frequency must be verified, rated at 8 kW / standby rating. Match the model and serial number on your engine plate when requesting a manual or parts. The ratings and emissions information below help identify the version fitted to your generator.

Other ways this model is written

d1105bg2D1105 BG2Kubota D1105-BG2Generator engines D1105-BG2

BrandAll Kubota engines Complete generatorsdiesel generator sets

D1105-BG2 repair parts

Haifeng supplies overhaul parts, filters, fuel injection parts and engine controls. Send your engine plate and the parts you need for a parts and delivery quote.

Get a parts & air-shipping quote

In-stock parts: same-day dispatch

Worldwide air shipping. Tell us your city and country for a shipping quote and estimated arrival date.

Find the right part

Send your engine plate, part numbers or photos, quantity, and delivery city. Parts can differ between versions of the same engine.

I don’t have a readable nameplateGet my parts quote on WhatsApp

We’ll confirm the correct parts, stock and delivery cost before you order.

Opens WhatsApp. Attach photos in the chat.

Photos and details to send

Take a clear photo of the engine nameplate.
Tell us what needs repair or replacement.
Send both in WhatsApp to start a fitment check.

How to read your engine nameplate

Parts reference availability

We do not have a reviewed public parts preview for this model yet. Send the engine details and tell us what needs repair.

Get help with this engine

Need a manual, a replacement part or help with an engine problem? Tell us what happened and include the serial number if you have it.

Other ways to contact us

Scan QRHide QR

General WhatsApp chatScan with your phone. Add the model and your request in chat.Haifeng sales team

Need help after checking the documents?

Send us the part number or describe the problem. This engine model is included in your message.

Ask about parts on WhatsApp Discuss an engine on WhatsApp Send an enquiry by form

Send this model enquiry by email

Or browse Haifeng's diesel generator sets

Frequently asked questions

What fuel does the Kubota D1105-BG2 use?

The Kubota D1105-BG2 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the D1105-BG2?

The Kubota D1105-BG2 is an inline-3 (3-cylinder) engine with a displacement of 1.123 L.

What emissions information is listed for the D1105-BG2?

This record lists EU Stage V for the Kubota D1105-BG2. 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 D1105-BG2 still in production?

No — the Kubota D1105-BG2 is discontinued. Its specifications and datasheets remain archived here for reference.