SnowEx Extended Spinner Drive Assembly # 77571. This is the extension kit 80221 and chute kit 77570.
This is the complete spinner drive assembly for the SnowEx Helixx spreaders - both poly and stainless steel and sizes 1.5, 2, 3, 4.5 and 6 cubic yards. This is the extended length came standard on teh 3 yard and larger spreaders. If you want the standard length assembly, that one is # 77570.
This is held on with Pins 11981.
This is made up of the Extension 80221, Spinner drive housing 85434, Spinner guard 85437, Spinner motor 85436 / D6887, Spinner disc D6823, 80222 kit ( 85438 / 85439 ) ,and hanger brackets 11871, and 11872.
We also have all the other parts for these spreaders.
You can find the owner's manual and parts list here.