PROBLEM TO BE SOLVED: To provide an implement easy for checking the steering state of a posterior travel device.SOLUTION: An implement having a pair of right and left front wheels 1F and a pair of right and left rear wheels 1B, and an operation part disposed above the front wheels 1F, comprises: a rear-wheel camera 35 capable of photographing the steering state of the rear wheels 1B and a monitor 38 mounted on the operation part and capable of displaying the photographed image of the rear-wheel camera 35.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2017,JPO&INPIT【課題】後側走行装置の操舵状態を確認するのが容易な作業機が要望されている。【解決手段】左右一対の前輪1Fと、左右一対の後輪1Bと、前輪1Fの上方に設けられた運転部と、が備えられており、後輪1Bの操舵状態を撮影可能な後輪カメラ35と、運転部に設けられ、後輪カメラ35の撮影画像を表示可能なモニター38と、が備えられている。【選択図】図3