21 Inch Mulching Mower Blade Replacement For Troy Bilt TB Series Walk Behind Fits TB110 TB240 TB230 TB130 TB200 TB160 TB210 TB280ES TB320 TB115 TB220 9420741A 7420741A 74204276

21-Inch Mulching Blade for TB Series Walk-Behinds
✔️ 20 7/8 in (531.5 mm) length, 2 1/4 in (57 mm) wide

This 21-inch mulching mower blade replacement is built for TB series walk-behind mowers. It supports mulching, bagging, and side discharge to match different lawn care needs.

✅ Length: 20 7/8 in (531.5 mm)
✅ Width: 2-1/4 in (57 mm)
✅ Thickness: 9/64 in (3.4 mm)
✅ Center Hole Shape: Bow Tie
✅ Deck Size: 21 in
✅ Lift: 1-1/8 in (28 mm)
✅ Blade Type: Mulching
✅ Design: 3-in-1 (mulching, bagging, side discharge)

💡 What is a 21-inch mulching mower blade used for in a typical lawn setup?

It's handy for turning clippings into nutrient-rich mulch and promoting a healthy lawn. - 3-in-1 design enables mulching, bagging, and side discharge - Fits 21-inch TB series walk-behind decks such as TB110 TB240 TB230 TB130 TB200 TB160 TB210 TB280ES TB320 TB115 TB220 TB360 TB105 TB120 TB125 TB130XP TB140 TB160XP TB270ES TB270XP TB290ES TB330 TB360ES TB370 - Painted cutting edges resist rust and aid installation