Diesel Engine Parts Excavator Flywheel Ring Gear 6BD1 1-12331164-3 129T Describe: How do I know if my flywheel needs replacing? Here are some common symptoms you should look for: 1.A hard clutch pedal. 2.Difficult changing gear. 3.Scratching noises from engine, especially at lower speeds. 4.Jerking or shaking. 5.Clutch slipping (without a burning smell) Quick Details: Part No Flywheel Ring Gear Engine No. 6BD1 Part No 1-12331164-3 1123311643 Machine Model 6BD1 Material Cast