Caterpillar synchronizer rings

gearboxes differentials drive shafts joystick for gear shifts torque converters front axles drive axles reducers clutches fluid couplings gear shifters rear axles power take off shafts u-joints clutch plates primary shafts PTO synchronizer rings gear shafts secondary shafts flywheel housings central lubrication clutch baskets gear shift forks throwout bearings gearbox housings hanger bearings countershafts retarders gear shift cables clutch hoses washers other transmission spare parts