Aftermarket replacement mower blades for popular 60" mowers used on many common John Deere zero turn mowers. The blades identical replacements for John Deere part number TCU15881. These blades are guaranteed to fit the following models of zero turns with 60" mower decks as long as they do have the "Mulch on Demand" option. 

Z665

Z720A

Z820A

Z830A

Z840A

Z850A

Z860A

Z915B

Z915E

Z920A

Z920M

Z925A

Z925M

Z930A

Z930M

Z930R

Z945A

Z950A

Z950M

Z950R

Z955M

Z960A

Z960M

Z960R

Z970R

Z994R

Z997R

These blades are 20 7/8 inches long (cutting edge to cutting edge) 3 inches wide and .236 inch thick. The center hole is 7/8 inches.