Equipment Basics

Maintain A Cutter Bar On A Disc Mower

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If you’re in the hay cutting business then knowing how to maintain a cutter bar on a disc mower is a critical skill. For our purposes, we’ll be working on a DM5070 Disc Mower (US CA), the largest in Frontier’s line of disc mowers. It has 7 knife mounting discs. Inside each one we’ll find the knife blades and the entire spindle unit assembly.
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