There are various types of diesel generator sets available on the market, which can be classified based on several criteria such as:

1-Power output (in kW or kVA) - Ranging from small portable generators for residential use to large industrial generators with power outputs in the megawatts.

2-Application - Such as standby generators, prime power generators, mobile generators, rental generators, etc.

3-Cooling method - Air-cooled or water-cooled generators, depending on the size and application.

4-Starting method - Manual start or automatic start generators, which can be configured to start automatically in the event of a power failure.

5-Frequency - 50Hz or 60Hz, depending on the location and intended use.

6-Voltage - Single-phase or three-phase generators, with voltage options ranging from 110V to 480V or higher.

7-Noise level - Silent or low-noise generators, which are designed to operate at reduced noise levels for use in residential areas or noise-sensitive environments.

These are some common types of diesel generator sets, but there may be other classifications based on specific features or requirements.