Haifeng Machinery

Xinchai C490BD

Xinchai C490BD — 2.7-litre inline-4 diesel engine. Find specifications, documents and parts support below.

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Production StatusIn Production
Representative Xinchai engine
Electrical output 50 Hz · 1500 RPM
Prime power20 kWe
Standby power22 kWe
Configuration
L4
Displacement
2.7 L
Fuel
Diesel

Power Ratings

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

50 Hz1500 RPM

RatingPrimeStandby
Mechanical power kWm2224
Electrical output kWe2022
Apparent power kVA2527.5

60 Hz1800 RPM

RatingPrimeStandby
Mechanical power kWm2629
Electrical output kWe2326
Apparent power kVA28.832.5

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.

Source notes

Official Zhejiang Xinchai / 浙江新柴 source reviewed 2026-11-02: xinchaipower.com · source.

This 1500 rpm configuration lists engine power 22 kW, net flywheel output 19 kW, and electrical-output entry 17.1 (unit/duty not explicitly stated in that row).

USER-AUTHORIZED ESTIMATE: 17.1 kWe from 19 net flywheel kW x 0.90 assumed alternator efficiency; calculated, not certified prime/standby output.

Actual output depends on alternator and auxiliary loads.

No duty or kVA inferred.

Bore x stroke 90x105 mm; oil pan 6.5 L; engine coolant 5.73 L.

Source emissions entries: CN阶段II / CN阶段II; these apply to this documented configuration, not every historical variant.

Legacy database prime/standby and emissions fields retained pending variant/source reconciliation; this review does not validate those legacy duties.

Legacy 50 Hz mechanical prime/standby: 22/24 kW.

View C490BD spec image
Shareable spec cardXinchai C490BD summary imageOpen image
Xinchai C490BD 2.7L L4 diesel generator engine — 28 kVA standby specifications

Technical specifications

Technical Specifications

BrandXinchai
ModelC490BD
ConfigurationL4
Cylinders4
Displacement2.7 L
Compression Ratio18.5
Dry Weight260 kg
Dimensions (L×W×H)750 × 565 × 696 mm
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardUnregulated
Country of OriginChina

Check your engine model

The Xinchai C490BD is a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, rated at 28 kVA / 22 kWe / 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

c490bdXinchai C490BD
BrandAll Xinchai enginesCompareSimilar enginesComplete generatorsdiesel generator sets

C490BD repair parts

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Frequently asked questions

What is the power output of the Xinchai C490BD?

The Xinchai C490BD is rated at 28 kVA standby / 25 kVA prime at 50 Hz (1,500 rpm); and 33 kVA standby / 29 kVA prime at 60 Hz (1,800 rpm).

Does the C490BD run at 50 Hz or 60 Hz?

The Xinchai C490BD is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).

What fuel does the Xinchai C490BD use?

The Xinchai C490BD is a diesel generator-set engine.

What is the displacement and cylinder configuration of the C490BD?

The Xinchai C490BD is an inline-4 (4-cylinder) engine with a displacement of 2.7 L.

What is the catalog status of the Xinchai C490BD?

The Xinchai C490BD is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.

Are reference documents available for the C490BD?

This page links reference documents for the Xinchai C490BD. Check each document's title, model coverage, revision and rating conditions before using it for selection.

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