Rugged DesignGT Power doesn’t accept any compromises when it comes to quality. This means our generator range is packed full of market leading features, such as superior quality alternators for clean power, and Powerdyne Engines for consistent performance. GT Power doesn’t accept any compromises when it comes to quality. This means our generator range is packed full of market leading features, such as superior quality alternators for clean power, and Powerdyne Engines for consistent performance.