Laidong 4L22BD-3

Laidong 4L22BD-3 — 2.156-litre Inline-4 diesel engine. Find specifications, documents and parts support below.

Production StatusProduction Discontinued

Generator Engine Series

Specifications and documentation remain archived for reference.

Mechanical Output: 29 kW
Cylinders: L4
Displacement: 2.156 L
Rated Speed: 3,000 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	29 kWm	26.1 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

Supplier-listed generator engine; rated mechanical engine power 29 kW at 3000 rpm, not electrical kWe.

No prime/standby duty inferred.

Source: ldworks.com · source, accessed 2026-11-02.

The website footer identifies Yantai Blue Sky Industrial Chain Trading Co., Ltd.; manufacturer verification remains pending.

Bore x stroke 85×95 mm; naturally aspirated according to this table.

Production status unverified: discontinued is the user-authorized catalogue classification, not manufacturer-confirmed withdrawal.

No model-specific emissions certification established.

View 4L22BD-3 spec image

Laidong 4L22BD-3 2.156L Inline-4 diesel generator engine specifications — Shareable spec cardLaidong 4L22BD-3 summary imageOpen image

Technical specifications

Technical Specifications

Brand	Laidong
Model	4L22BD-3
Series	Generator Engine Series
Configuration	Inline-4
Cylinders	4
Displacement	2.156 L
Compression Ratio	18:1
Dry Weight	200 kg
Fuel Type	Diesel
Ignition Type	Compression Ignition
Cooling Method	Liquid-Cooled
Country of Origin	China

Check your engine model

The Laidong 4L22BD-3 is a diesel generator-drive engine for applications whose frequency must be verified, rated at 29 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

4l22bd34L22BD 3Laidong 4L22BD-3Generator Engine Series 4L22BD-3

BrandAll Laidong engines Complete generatorsdiesel generator sets

4L22BD-3 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 Laidong 4L22BD-3 use?

The Laidong 4L22BD-3 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the 4L22BD-3?

The Laidong 4L22BD-3 is an inline-4 (4-cylinder) engine with a displacement of 2.156 L.

Is the 4L22BD-3 still in production?

No — the Laidong 4L22BD-3 is discontinued. Its specifications and datasheets remain archived here for reference.