Form No. 3386-780 Rev A Parts Catalog 4in x 24in Rock and Frost Chain Register at www.Toro.com. Original Instructions (EN) Utility Trencher Model No. TR16504R36 Model No.
4 Inch x 24 Inch Rock and Frost Chain Assembly Ref. 1 1:1 1:1:1 2 3 4 5 6 7 8 3386-780A Part Number Qty.