Demag
Generator for Demag AC 300
This generator provides electrical power to the auxiliary systems of the Demag AC 300 crane. It is identified by part number 42099612.
Compatible models
Specifications
- Part number
- 42099612
- Brand
- Demag
The generator is an electromechanical component that converts mechanical energy into electrical energy within the crane. Its primary function is to supply electrical current to charge the battery and power auxiliary systems, including lighting, electronic control systems, and cabin accessories. By maintaining a consistent power supply, this component ensures that the electrical and electronic systems of the machine remain operational during use.
This component is compatible with the Demag AC 300 all-terrain crane. It functions as an alternator, producing alternating current that is rectified to direct current for the vehicle systems. The assembly typically includes a stator, a rotor, a voltage regulator, and a rectifier bridge to manage power output. Regular maintenance of the charging voltage and drive belt is necessary to ensure the continued operation of the electrical system and to prevent battery discharge or system failure.
In heavy machinery, generators serve to support all electrical loads not directly driven by the main engine. They are designed to operate within the specific environmental conditions of a crane, managing the conversion of mechanical input from the engine into the electrical output required for the machine's control and safety systems.

