John Deere mower blades are designed to exact specifications to achieve the best performance and cut quality. We use high quality steel that stays sharper longer. A flat mounting surface reduces blade stress for long life and excellent cut quality. The properly sized center hole provides for less vibration and increased machine life. When you use these mulching blades with a mulch kit, you get perfectly sized clippings that return nutrients to the yard and reduces the need to dispose of yard waste. Use John Deere mower blades for the best life and performance.

TCU18990 Replaces TCU18624

Help me find my Model and/or Serial Number

Fits On:
Z900 Series

• Z915B with 60" Deck
• Z920A with 60" Deck
• Z920M with 60" Deck
• Z925A with 60" Deck
• Z925M EFI with 60" Deck
• Z925M EFI Flex Fuel with 60" Deck
• Z930A with 60" Deck
• Z930M with 60" Deck
• Z930M EFI with 60" Deck
• Z930R with 60" Deck
• Z950M with 60" Deck
• Z950R with 60" Deck
• Z960A with 60" Deck
• Z960R with 60" Deck