Haifeng Machinery
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SDEC

SDEC 4ZTAA4.1-G22

Z Series

In Production

The SDEC 4ZTAA4.1-G22 is a 4.1-litre inline-4 diesel engine for generator sets, rated at 91 kVA / 73 kWe standby power at 1,500 RPM (50 Hz). It is a liquid-cooled engine built in China.

Overhaul & repair parts
Supporting documents
2 documents · 1 datasheet
Last updated
2026-07-24
Package route
diesel generator sets
Standby Power · 50 Hz
91 kVA
Electrical Output
73 kWe
Cylinders
L4
Displacement
4.1 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 Power746783.8
Standby Power817391.3

60 Hz1800 RPM

kWmkWekVA
Prime Power807290
Standby Power887998.8

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SDEC 4ZTAA4.1-G22 4.1L L4 diesel generator engine — 91 kVA standby specifications

SDEC 4ZTAA4.1-G22 generator set context

The SDEC 4ZTAA4.1-G22 is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 91 kVA / 73 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

4ztaa41g224ZTAA4.1 G22SDEC 4ZTAA4.1-G22Z Series 4ZTAA4.1-G22

Technical Specifications

BrandSDEC
Model4ZTAA4.1-G22
SeriesZ Series
ConfigurationL4
Cylinders4
Displacement4.1 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardChina National Stage II / Unregulated
Country of OriginChina

Frequently asked questions

What is the power output of the SDEC 4ZTAA4.1-G22?

The SDEC 4ZTAA4.1-G22 is rated at 91 kVA standby / 84 kVA prime at 50 Hz (1,500 rpm); and 99 kVA standby / 90 kVA prime at 60 Hz (1,800 rpm).

Does the 4ZTAA4.1-G22 run at 50 Hz or 60 Hz?

The SDEC 4ZTAA4.1-G22 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).

What fuel does the SDEC 4ZTAA4.1-G22 use?

The SDEC 4ZTAA4.1-G22 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the 4ZTAA4.1-G22?

The SDEC 4ZTAA4.1-G22 is an inline-4 (4-cylinder) engine with a displacement of 4.1 L.

What is the catalog status of the SDEC 4ZTAA4.1-G22?

The SDEC 4ZTAA4.1-G22 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 4ZTAA4.1-G22?

This page links reference documents for the SDEC 4ZTAA4.1-G22. Check each document's title, model coverage, revision and rating conditions before using it for selection.

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