This workshop service repair manual covers the Clark PWD 30-40SE and HWD30-40SE forklifts. These industrial machines are engineered for robust performance and reliability in demanding work environments. This manual provides comprehensive information to ensure these forklifts operate at peak efficiency throughout their service life. This English-language manual offers A-Z repair coverage for all models, engines, trim, and transmission types. It includes step-by-step instructions and pictures to guide owners, mechanics, and technicians through maintenance procedures, troubleshooting, and detailed technical specifications. The goal is to facilitate effective upkeep and repair, ensuring the longevity and optimal functioning of your Clark forklift.