Weichai
Weichai WP4.6ND125E430
Weichai WP4.6ND125E430. Source: 发动机数据单-WP4.6N-7001_WP4.6ND125E430_NonRad无散热器_Datasheet_26-02-05.pdf, p.1. Gross engine mechanical PRP 115 kW / ESP 125 kW at 1500 rpm. Net power is configuration-dependent and separate from gross mechanical output; no electrical genset output inferred. Emissions statement as printed: China Non-road IV; no additional certification inferred. Production status is unknown; discontinued is the user-authorized catalogue classification, not manufacturer-confirmed cessation. No production-end year asserted. Manufacturer-reported emissions test data, source review 2026-10-21: NOX 2.072, PM 0.005, CO 0.002, HC 0.021 g/kWh. Test date as printed: 28/04/23. Procedure as printed: GB 20891. Source: WP4.6ND125E430排放数据.pdf, p.1. Values describe the tested configuration; they do not establish an additional emissions certificate, production status or replacement PRP/ESP rating. Physical specifications added from manufacturer datasheets, 2026-10-21: compression ratio 17:1; dry engine weight 460 kg without radiator and radiator pipes; overall dimensions without radiator (L × W × H) 1119 × 788 × 995 mm. Sources: 发动机数据单-WP4.6N-7001_WP4.6ND125E430_NonRad无散热器_Datasheet_26-02-05.pdf (physical data on pp.1–2). Existing populated specification fields were not overwritten. Weight is dry engine weight, not genset shipping weight.
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- 2 documents · 1 datasheet
- Last updated
- 2026-10-21
- Package route
- diesel generator sets
- Mechanical Output
- 125 kW
- Cylinders
- L4
- Displacement
- 4.58 L
- Rated Speed
- 1,500 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 115 | — | — |
| Standby Power | 125 | — | — |
Estimated rating: 112.5 kWe (125 kW × 0.90) · 50 Hz · standby
Estimated rating: 103.5 kWe (115 kW × 0.90) · 50 Hz · prime
Planning estimate, not a manufacturer generator rating. Confirm the alternator, engine speed and operating conditions.
Weichai WP4.6ND125E430 overhaul & repair parts
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Weichai WP4.6ND125E430 generator set context
The Weichai WP4.6ND125E430 is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 125 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
Technical Specifications
| Brand | Weichai |
| Model | WP4.6ND125E430 |
| Configuration | L4 |
| Cylinders | 4 |
| Displacement | 4.58 L |
| Compression Ratio | 17:1 |
| Dry Weight | 460 kg |
| Dimensions (L×W×H) | 1119 × 788 × 995 mm |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | China Non-road IV |
Frequently asked questions
Does the WP4.6ND125E430 run at 50 Hz or 60 Hz?
The Weichai WP4.6ND125E430 is rated for 50 Hz (1,500 rpm).
What fuel does the Weichai WP4.6ND125E430 use?
The Weichai WP4.6ND125E430 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the WP4.6ND125E430?
The Weichai WP4.6ND125E430 is an inline-4 (4-cylinder) engine with a displacement of 4.58 L.
What emissions information is listed for the WP4.6ND125E430?
This record lists China Non-road IV for the Weichai WP4.6ND125E430. Confirm the exact engine family, model year, configuration and applicable manufacturer certification documents before specifying it for a regulated project. A database label does not establish certification of a complete generator package.
Is the WP4.6ND125E430 still in production?
No — the Weichai WP4.6ND125E430 is discontinued. Its specifications and datasheets remain archived here for reference.
Are reference documents available for the WP4.6ND125E430?
This page links reference documents for the Weichai WP4.6ND125E430. Check each document's title, model coverage, revision and rating conditions before using it for selection.