“Test rig on Parkinson gear tester” is a very great innovation in its own & is specially made for the purpose of checking flank surfaces of gear. Gears are the crucial element of any transmission system which generally used for power transmission. Such type of part must be check by using the highly accurate methodology in order to assess its functional performance in advance. The inspection methodology of gears should be accurate with the less time-consuming procedure for its inspection. This gear test rig will check the gear in minimum time which results in the decrease of non-productive time and improves plant efficiency.