SDEC INDUSTRIAL ENGINES
In ProductionSDEC 4ZT4.1-G21
Z Series
The SDEC 4ZT4.1-G21 is a 4.1-litre inline-4 diesel engine for generator sets, rated at 74 kVA / 59 kWe standby power at 1,500 RPM (50 Hz). It is a liquid-cooled engine built in China.
Standby Power
86 kVA
Electrical Output
69 kWe
Cylinders / Config
L4
Displacement
4.1 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 | 60 | 54 | 67.5 |
| Standby | 66 | 59 | 73.8 |
| Operating Duty | kWm (Mechanical) | kWe (Electrical) | kVA (Rating) |
|---|---|---|---|
| Prime | 70 | 63 | 78.8 |
| Standby | 77 | 69 | 86.3 |
Mechanical & Electrical Specifications
| Brand | SDEC |
| Model | 4ZT4.1-G21 |
| Series | Z Series |
| Configuration | L4 |
| Cylinders | 4 |
| Displacement | 4.1 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | China National Stage II / Unregulated |
| Country of Origin | China |
Frequently Asked Questions
What is the power output of the SDEC 4ZT4.1-G21?
The SDEC 4ZT4.1-G21 is rated at 74 kVA standby / 68 kVA prime at 50 Hz (1,500 rpm); and 86 kVA standby / 79 kVA prime at 60 Hz (1,800 rpm).
Does the 4ZT4.1-G21 run at 50 Hz or 60 Hz?
The SDEC 4ZT4.1-G21 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the SDEC 4ZT4.1-G21 use?
The SDEC 4ZT4.1-G21 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 4ZT4.1-G21?
The SDEC 4ZT4.1-G21 is an inline-4 (4-cylinder) engine with a displacement of 4.1 L.
Is the SDEC 4ZT4.1-G21 still in production?
Yes — the SDEC 4ZT4.1-G21 is a current production model.
Is a datasheet available for the 4ZT4.1-G21?
Yes — an official SDEC datasheet for the SDEC 4ZT4.1-G21 can be downloaded from this page.