Haifeng Machinery
Yuchai logo

Yuchai

Yuchai YC4D80-D34

4D

In Production

The Yuchai YC4D80-D34 is a 3.86-litre inline-4 diesel engine for generator sets, rated at 63 kVA / 50 kWe standby power at 1,500 RPM (50 Hz). It is a liquid-cooled engine built in China.

Overhaul & repair parts
Supporting documents
1 document · 1 datasheet
Last updated
2026-05-29
Package route
diesel generator sets
Standby Power · 50 Hz
63 kVA
Electrical Output
50 kWe
Cylinders
L4
Displacement
3.86 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 Power504556.3
Standby Power55.65062.5

Ask about Yuchai YC4D80-D34

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

Yuchai YC4D80-D34 overhaul & repair parts

Already running a Yuchai YC4D80-D34? 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 YC4D80-D34 and your selected categories included. Attach your photos there.

Shareable spec cardYuchai YC4D80-D34 summary imageOpen image
Yuchai YC4D80-D34 3.86L L4 diesel generator engine — 63 kVA standby specifications

Yuchai YC4D80-D34 generator set context

The Yuchai YC4D80-D34 is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 63 kVA / 50 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

yc4d80d34YC4D80 D34Yuchai YC4D80-D34

Technical Specifications

BrandYuchai
ModelYC4D80-D34
Series4D
ConfigurationL4
Cylinders4
Displacement3.86 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 Yuchai YC4D80-D34?

The Yuchai YC4D80-D34 is rated at 63 kVA standby / 56 kVA prime at 50 Hz (1,500 rpm).

Does the YC4D80-D34 run at 50 Hz or 60 Hz?

The Yuchai YC4D80-D34 is rated for 50 Hz (1,500 rpm).

What fuel does the Yuchai YC4D80-D34 use?

The Yuchai YC4D80-D34 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the YC4D80-D34?

The Yuchai YC4D80-D34 is an inline-4 (4-cylinder) engine with a displacement of 3.86 L.

What is the catalog status of the Yuchai YC4D80-D34?

The Yuchai YC4D80-D34 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 YC4D80-D34?

This page links reference documents for the Yuchai YC4D80-D34. Check each document's title, model coverage, revision and rating conditions before using it for selection.

Related Engines

Compare Yuchai YC4D80-D34