Due to the reach truck driver store finished products into the drive in rack and causes the pole of rack was bent. The investigation found that the floor of the warehouse 2 is unequal. It causes the shaking reach truck at a time when the storage of finished products into the drive in rack, and another reason that reach truck is a very old car. When driving forwards and backwards in the normal area while lifting fork in the highest point, fork of reach truck was shaking and trembling.