Chapter 7 Tractor's PTO System Section 2 PTO Device Figure 7-8 Semi-independent PTO shafts Figure 7-9 Independent PTO shafts 1.Ist shaft of transmission 2.Friction disc of 1.Main clutch 2.Friction disc of transmission 1st shaft 3.Clutch pedal auxiliary clutch 3.Auxiliary clutch 4.Friction disc of output shaft 5.Output shaft pedal 4.Main clutch pedal 5.Output shaft 机械与电子工程膜 Automobile and Tractor Northwest A&F UniversityAutomobile and Tractor Northwest A&F University Chapter 7 Tractor’s PTO System Figure 7-8 Semi-independent PTO shafts Figure 7-9 Independent PTO shafts 1. 1st shaft of transmission 2. Friction disc of transmission 1st shaft 3. Clutch pedal 4. Friction disc of output shaft 5. Output shaft 1. Main clutch 2. Friction disc of auxiliary clutch 3. Auxiliary clutch pedal 4. Main clutch pedal 5. Output shaft Section 2 PTO Device