Weichai INDUSTRIAL ENGINES
In ProductionWeichai 6M31D740E310
M31 Series
The Weichai 6M31D740E310 is an 18.6 L V6 diesel generator-drive engine in the M31 series. It is listed at 666 kWe / 833 kVA standby power for both 50 Hz and 60 Hz generator sets, with China Stage III / unregulated-market context for buyers comparing industrial diesel package options.
Standby Power
833 kVA
Electrical Output
666 kWe
Cylinders / Config
V6
Displacement
18.6 L
Rated Speed
1,500 RPM
ISO 8528 Power Ratings
Power Factor: 0.8 pfkWm = mechanical engine shaft power · kWe = electrical output · kVA = apparent electrical power.
| Operating Duty | kWm (Mechanical) | kWe (Electrical) | kVA (Rating) |
|---|---|---|---|
| Prime | 680 | 612 | 765 |
| Standby | 740 | 666 | 832.5 |
| Operating Duty | kWm (Mechanical) | kWe (Electrical) | kVA (Rating) |
|---|---|---|---|
| Prime | 680 | 612 | 765 |
| Standby | 740 | 666 | 832.5 |
Mechanical & Electrical Specifications
| Brand | Weichai |
| Model | 6M31D740E310 |
| Series | M31 Series |
| Configuration | V6 |
| Cylinders | 6 |
| Displacement | 18.6 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | China National Stage III / Unregulated |
| Country of Origin | China |
Frequently Asked Questions
What is the power output of the Weichai 6M31D740E310?
The Weichai 6M31D740E310 is rated at 833 kVA standby / 765 kVA prime at 50 Hz (1,500 rpm); and 833 kVA standby / 765 kVA prime at 60 Hz (1,800 rpm).
Does the 6M31D740E310 run at 50 Hz or 60 Hz?
The Weichai 6M31D740E310 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Weichai 6M31D740E310 use?
The Weichai 6M31D740E310 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 6M31D740E310?
The Weichai 6M31D740E310 is a V6 (6-cylinder) engine with a displacement of 18.6 L.
Is the Weichai 6M31D740E310 still in production?
Yes — the Weichai 6M31D740E310 is a current production model.