A: This part would not have been tested with that saw nor would it be recommended with that saw by the manufacturer DEWALT.
A: No, the DWZCSB16 is not compatible with the DCCS677. The correct Bar Chain is part number BD-N862334.
A: The DWZCSB16 is compatible with the DEWALT DCCS670 Chain Saw.
A: For the DEWALT 40v 16inch chainsaw, you would use part number N594320
A: The 16in bar (p/n DWZCSB16) will work with the 40v saw, it is the same size.
A: Yes, this will fit the DCCS620B. Ticket #4375953.