Abstract: Work-related musculoskeletal disorders are the most common ailments and hazards in occupational settings. The purpose of this study was the evaluation and occupational risk assessment of manual load carrying among auto mechanics using KIM Method in Kermanshah City in 2015. This cross-sectional research was conducted on 99 auto mechanics in Kermanshah City. Prior to the study, the prevalence of musculoskeletal disorders was investigated by the nordic body map questionnaire. And occupational risk assessment was studied by applying the Key Indicator Method for Manual Handling Operations (KIM-MHO). The obtained data was later analyzed by SPSS 16.