Mounting two 18.5-inch blades in a nominal 36-inch mower deck will cause the blade tips to hit the housing, since their combined span exceeds the deck’s actual internal width.
Oregon, Lawn Mower Blade, Length 18.5 in, Model# 99-133

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- Replace your blade with confidence. Oregon blades exactly match the specifications of your lawn mower’s manufacturer.
- Length: 18-1/2"; Center Hole: 3/4"
- Requires 2 blades for 36" cut
- Major brand replacements include: Dixon
- Enhanced hardening to keep the blade sharper and more durable
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