Chipper/Shredder 4HP, 5HP 8HP Models GARDEN WAY INC. DRIVE SHAFT/CYLINDER ASSEMBLY REPLACEMENTINSTRUCTIONS OTHER SERVICE PROCEDURES AND INSPECTIONS TROYBILT®5HP 8HP SUPER TOMAHAWK® Chipper/Shredder Models 15012, 15013, 15014, 15014S, 15015, 15016 47251 TROYBILT®4HP TOMAHAWK® Chipper/Shredder Models .