Lawn Tractor Transaxle Output Shaft Flange Bushing. This transaxle output shaft flange bushing (part number 780210) is for lawn tractors.Transaxle output shaft flange bushing 780210 supports the end of the output shaft and allows the shaft to rotate smoothly.Wear work gloves to protect your hands when... - Lawn Tractor Transaxle Output Shaft Flange Bushing.