Haifeng Machinery
SDEC logo

SDEC

SDEC 6KTAA25-G35

K Series

In Production

SDEC 6KTAA25-G35 25L 6-cylinder diesel engine for generator sets. 520 kWm prime / 572 kWm standby at 50Hz/1500RPM.

Overhaul & repair parts
Manufacturer files
No datasheet
Last updated
2026-07-24
Package route
diesel generator sets
Standby Power · 50 Hz
644 kVA
Electrical Output
515 kWe
Cylinders
L6
Displacement
25 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 Power520468585
Standby Power572515643.8

Ask about SDEC 6KTAA25-G35

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

SDEC 6KTAA25-G35 overhaul & repair parts

Already running a SDEC 6KTAA25-G35? 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 6KTAA25-G35 and your selected categories included. Attach your photos there.

Shareable spec cardSDEC 6KTAA25-G35 summary imageOpen image
SDEC 6KTAA25-G35 25L L6 diesel generator engine — 644 kVA standby specifications

SDEC 6KTAA25-G35 generator set context

The SDEC 6KTAA25-G35 is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 644 kVA / 515 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

6ktaa25g356KTAA25 G35SDEC 6KTAA25-G35K Series 6KTAA25-G35

Technical Specifications

BrandSDEC
Model6KTAA25-G35
SeriesK Series
ConfigurationL6
Cylinders6
Displacement25 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 6KTAA25-G35?

The SDEC 6KTAA25-G35 is rated at 644 kVA standby / 585 kVA prime at 50 Hz (1,500 rpm).

Does the 6KTAA25-G35 run at 50 Hz or 60 Hz?

The SDEC 6KTAA25-G35 is rated for 50 Hz (1,500 rpm).

What fuel does the SDEC 6KTAA25-G35 use?

The SDEC 6KTAA25-G35 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the 6KTAA25-G35?

The SDEC 6KTAA25-G35 is an inline-6 (6-cylinder) engine with a displacement of 25 L.

What is the catalog status of the SDEC 6KTAA25-G35?

The SDEC 6KTAA25-G35 is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.

Related Engines

Compare SDEC 6KTAA25-G35