The 48/54 high-capacity (HC) Power Flow blower can be used with the EZtrak Z645 and Z655. It, along with the BM23634 hopper and BM21681 chute, will provide 6-1/2-bu (230-L) material collection system capability for the Z645 and Z655, giving added versatility and value. Note: Fits Z645 and Z655 models only (SN 120001- ). Also requires BM24275 retrofit Power Flow kit for model year 2011 Z645 and Z655 (SN 100001-120000). Not compatible with Z445/54 HC.