The utility model discloses a frock is repaiied to diesel engine cylinder touwei, including mobilizable dolly with and go up fixed support column, oil receiving box and housing, pivot one end portion is equipped with the rotary mechanism who lies in the housing on the support column, the cylinder end is installed on this rotary mechanism, the hand wheel of control rotary mechanism rotation is installed to the pivot other end, freely removing and transporting fast of cylinder end can be realized maintaining by portable dolly by bottom plate and gyro wheel constitute, through fixing the cylinder end each item reconditioning work that makes things convenient for the cylinder end in having rotary mechanism's housing, and intensity of labour has been reduced through the rotation of hand wheel control cylinder end, reduce the relapse transport and moved the potential safety hazard of bringing, the cleaning performance that has also improved the cylinder end is washd in the circulation that has the washing liquid heating, the airtight housing that can open and shut has prevented effectively that the washing liquid from splashing, the harm to the job site personnel has been reduced, and simultaneously, but repair tools's access problem is also effectively solved to the pull tool holder on the support column.