3 USA blades will fit JOHN DEERE M163983 Z710A Z720A Z810A Z820A Z830A Z840A

3 USA XHT PREDATOR BLADES JOHN DEERE M163983 Z710A Z720A Z810A Z820A Z830A Z840A Why ProPartsPlace?Fastest Shipping! Ships same day or next business day!Reasonable Prices!Great Feedback!Excellent customer service!REPLACEMENT XHT BLADESExtreme Hardness ToughnessMADE IN THE USA!Don't be fooled by other cheap imported blades you see on eBay! Buy from home! Increased hardness (between 48-52 on the Rockwell Hardness Scale), without brittlenessGreater yield strength—the strongest mower blades on the marketBetter impact toughness (ANSI-S483 compliant)Increased resistance to bendingHigher wear resistanceReduced weightFaster start/stopLess wear on PTO clutch breakLower fuel consumptionLast longer and need to be sharpened less frequentlyOur patented MARBAIN material is a durable, cost-effective alternative to abrasion resistant steel and other manufacturing materialsThis sale is for 3 replacement XHT blades. Predator blades provide the flat blade design preferred by most commercial mowers with