This workshop manual covers the Hatz 1B20, 1B27, 1B30, 1B40, and 1B50 engine series. These engines are engineered for reliability and efficiency, suitable for a wide range of industrial and commercial applications. Their robust design ensures dependable performance in demanding environments, making them a trusted choice for professionals.

This manual provides comprehensive guidance for the maintenance, repair, and overhaul of your Hatz engine. It includes detailed, step-by-step instructions accompanied by high-quality diagrams, pictures, and illustrations to ensure accurate and efficient work. Key sections cover all necessary specifications and tolerances, a troubleshooting guide for diagnosing issues, and electrical diagrams. This resource is designed to assist owners, mechanics, and technicians in keeping their engines in optimal condition.