Bus countershafts

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