Haifeng Machinery

Yuchai

Yuchai YCD4A33H6-105

Production Discontinued
This engine is no longer in production. Specifications and documentation remain archived for reference.

Source-checked against supplied Yuchai workbook 玉柴动力T3参数.xlsx, sheet YCD4A33H6(V31): 1500 rpm: rated engine 70 kW, standby engine 77 kW at 1500 rpm; matched genset 常用:60 / 备用:66 kW (model cell D6; rating cells D23, D24, D44). Engine rated power is labelled 额定 in the source, not explicitly ISO prime duty. Catalogue power_kw is the highest listed rated engine output. All calibration variants are retained here; frequency-specific prime/standby/electrical fields remain blank because the workbook does not explicitly specify frequency or ISO prime duty. No emissions certification inferred from workbook title. Production status is unknown. Discontinued is the user-authorized catalogue classification (2026-10-21 import), not manufacturer-confirmed cessation; no production-end year is asserted.

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Supporting documents
No documents linked
Last updated
2026-10-21
Package route
diesel generator sets
Mechanical Output
70 kW
Cylinders
L4
Displacement
3.1 L
Rated Speed
1,500 RPM

Estimated rating: 63 kWe (70 kW × 0.90) · Frequency and duty unverified

Planning estimate, not a manufacturer generator rating. Confirm the alternator, engine speed and operating conditions.

Yuchai YCD4A33H6-105 overhaul & repair parts

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Illustrative engine overhaul parts including liners, pistons, rings, bearings and gaskets
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Illustrative unbranded filter elements and fuel-water separators
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Yuchai YCD4A33H6-105 3.1L L4 diesel generator engine specifications

Yuchai YCD4A33H6-105 generator set context

The Yuchai YCD4A33H6-105 is listed here as a diesel generator-drive engine for applications whose frequency must be verified, with a headline 70 kW / 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.

Model name formats

ycd4a33h6105YCD4A33H6 105Yuchai YCD4A33H6-105

Technical Specifications

BrandYuchai
ModelYCD4A33H6-105
ConfigurationL4
Cylinders4
Displacement3.1 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled

Frequently asked questions

What fuel does the Yuchai YCD4A33H6-105 use?

The Yuchai YCD4A33H6-105 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the YCD4A33H6-105?

The Yuchai YCD4A33H6-105 is an inline-4 (4-cylinder) engine with a displacement of 3.1 L.

Is the YCD4A33H6-105 still in production?

No — the Yuchai YCD4A33H6-105 is discontinued. Its specifications and datasheets remain archived here for reference.

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