9838791 Knotter Bill Hook Assembly Fits New Holland 570 575 BC5070 Square Baler
Premium OEM heavy-duty square baler knotter bill hook assembly manufactured by CNH Industrial. Positioned at the very heart of the mechanical knotter component group, this genuine precision-cast bill hook catches, rotates, and splits the packing twine loops to form tight, reliable knots around high-density hay and straw bales. It functions in perfect sync with the twine fingers and knotter gears to eliminate missed ties and loose bales under heavy fieldwork friction. ? OEM Part Number & Cross Reference. CNH New Holland Case IH: 9838791 / 85800459 / 9838791CNH. System Category: Hay and Forage Harvesting / Square Baler Knotter Mechanism Components. ? Equipment Fleet Compatibility & Applications. ? New Holland Small Square Balers (Legacy & Modern Series Platforms). BC5000 High-Capacity Series: BC5050, BC5060, BC5070, BC5080. 500 Series Classic Square Balers: 565, 570, 575, 580. Hayliner Performance Series: Hayliner 268, Hayliner 273, Hayliner 276, Hayliner 311, Hayliner 315, Hayliner 320, Hayliner 326. Super Hayliner Modern Generations: Super Hayliner 68, Super Hayliner 69, Super Hayliner 78. ? Case IH Small Square Balers. SB Performance Production Lines: SB521, SB531, SB541, SB551. Type: Baler Knotter Bill Hook Assembly with Integrated Cam Roller Lip. Surface Coating Matrix: Specialized smooth-polished, low-friction anti-wear chrome coating. Material Matrix: High-tensile forged structural steel core for extreme repetitive torsional loading. Condition: 100 percent Brand new original CNH industrial premium harvesting hardware. Ultra-smooth chrome finish allows twine to slip off precisely during the final cutting phase, reducing knot failure rates. Case-hardened steel profile prevents deep groove wearing caused by continuous abrasive sisal or plastic twine pulling. Instantly cures frequent untied bales, tangled knotter gears, shredded twine fragments, and mistimed knotting delays. Factory-aligned spring tension roller maintains steady grip pressure across varying twine thicknesses. Precision machined mounting shaft bore ensures a zero-wobble match straight onto the driving knotter frame assembly. Replacing grooved, notched, or blunt bill hooks that fail to capture twine loops cleanly during tight baling runs. Restoring reliable tying performance ahead of time-critical alfalfa, straw, or grass hay harvesting campaigns. Routine pre-season knotter bench overhauls, mechanical field timing auditing, and workshop service logs. Please verify part compatibility with your specific square baler model, knotter frame style standard single vs.