Chapter 7 Tractor's PTO System Section 1 Traction Apparatus 2.Swing Stem Traction Apparatus 伊 Figure 7-5 Swing stem traction apparatus 1.shaft pin 2.jaw pin 3.pull blade 4.dowel 5.towing pin 6.drawbar 7.pull blade 机械与电子工程学膜 Automobile and Tractor Northwest A&F University Automobile and Tractor Northwest A&F University Chapter 7 Tractor’s PTO System 2. Swing Stem Traction Apparatus Figure 7-5 Swing stem traction apparatus 1. shaft pin 2. jaw pin 3. pull blade 4. dowel 5. towing pin 6. drawbar 7. pull blade Section 1 Traction Apparatus