This manual pertains to Lister Petter single-cylinder, four-stroke, air-cooled diesel engines, specifically the AA1, AC1, AD1, and AD2 models. These naturally aspirated, direct injection engines are engineered for industrial power generation and auxiliary equipment applications. Their robust construction and reliable performance make them suitable for a wide range of demanding operational conditions.

This comprehensive workshop manual and parts list provides essential information for the maintenance and repair of your Lister Petter engine. It covers critical procedures, technical specifications, and operational guidelines necessary for optimal performance and longevity. By following the detailed instructions within this manual, owners, mechanics, and technicians can effectively service and maintain these industrial diesel engines.