Blade. Replacement for Model: MTD 742-0171, 742-0171B, 942-0171, 941-0171B Troy Bilt 742-0171, 742-0171B, 942-0171, 941-0171B . All parts are made to meet or exceed OE specs and quality.3 for 50 cut-side discharge. Length 17 1/4. Center 13/32. Outer 5/16.
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