Haifeng Machinery
SDEC logo

SDEC

SDEC 6JTAA17-G311

J Series

In Production

The SDEC 6JTAA17-G311 is a 17-litre inline-6 diesel engine for generator sets, rated at 771 kVA / 617 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
771 kVA
Electrical Output
617 kWe
Cylinders
L6
Displacement
17 L
Rated Speed
1,500 RPM

Power Ratings

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

50 Hz1500 RPM

kWmkWekVA
Prime Power622560700
Standby Power685617771.3

Ask about SDEC 6JTAA17-G311

Choose parts / service or sourcing. Your message includes this model and page link.

SDEC 6JTAA17-G311 overhaul & repair parts

Already running a SDEC 6JTAA17-G311? Start with the parts you need, then send your nameplate so we can help check the right references for your engine.

Start with engine identification

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

Let’s identify the right parts.

The model is the starting point. Serial numbers and build configurations can change which parts fit.

  1. Take a clear photo of the engine nameplate.
  2. Tell us what needs repair or replacement.
  3. Send both in WhatsApp to start a fitment check.
How to read your engine nameplateSend nameplate on WhatsApp

Opens WhatsApp with 6JTAA17-G311 and your selected categories included. Attach your photos there.

Shareable spec cardSDEC 6JTAA17-G311 summary imageOpen image
SDEC 6JTAA17-G311 17L L6 diesel generator engine — 771 kVA standby specifications

SDEC 6JTAA17-G311 generator set context

The SDEC 6JTAA17-G311 is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 771 kVA / 617 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

6jtaa17g3116JTAA17 G311SDEC 6JTAA17-G311J Series 6JTAA17-G311

Technical Specifications

BrandSDEC
Model6JTAA17-G311
SeriesJ Series
ConfigurationL6
Cylinders6
Displacement17 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardChina National Stage III / Unregulated
Country of OriginChina

Frequently asked questions

What is the power output of the SDEC 6JTAA17-G311?

The SDEC 6JTAA17-G311 is rated at 771 kVA standby / 700 kVA prime at 50 Hz (1,500 rpm).

Does the 6JTAA17-G311 run at 50 Hz or 60 Hz?

The SDEC 6JTAA17-G311 is rated for 50 Hz (1,500 rpm).

What fuel does the SDEC 6JTAA17-G311 use?

The SDEC 6JTAA17-G311 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the 6JTAA17-G311?

The SDEC 6JTAA17-G311 is an inline-6 (6-cylinder) engine with a displacement of 17 L.

What is the catalog status of the SDEC 6JTAA17-G311?

The SDEC 6JTAA17-G311 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 6JTAA17-G311?

This page links reference documents for the SDEC 6JTAA17-G311. Check each document's title, model coverage, revision and rating conditions before using it for selection.

Related Engines

Compare SDEC 6JTAA17-G311