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Product Advantage
Premium aftermarket knife guard PN 86615983 for New Holland combine harvester cutter bar. Precision cast, high strength wear-resistant guard, works together with sickle blades to stabilize cutting clearance, protect knife sections, reduce grain loss and extend service life of the cutting system. Direct OEM fit for header assembly.
✅ Exact replacement for OEM 86615983, perfect fit on original cutter bar
✅ High-strength ductile iron with quenching treatment, excellent wear & impact resistance
✅ Accurate positioning groove, keeps stable gap between guard and knife blade
✅ Protect sickle blades from impact by stones and hard straw, reduce blade breakage
✅ Maintain clean cutting action, lower grain loss during harvesting
✅ Not easy to deform under heavy load, stable performance in muddy & dry field
✅ Simple field installation, no modification required; ideal for harvest season quick repair
✅ Bulk supply for farm dealers, repair shops and large grain farms
Technical Parameters
Part Number：86615983
Product Name：Knife Guard / Sickle Guard
Material：High strength ductile iron
Process：Casting + surface quenching treatment
Fitment：New Holland combine harvester header cutter bar
Matching part：Sickle knife section
Surface finish：Anti-corrosion black coating
Quality：Premium aftermarket, made to OEM drawing dimension
Package：Single packing / bulk packing for wholesale
Product Uses
Wheat, soybean, corn, rice, barley and lodged crop harvesting
Dry, muddy, straw-heavy farm working conditions
Agricultural machinery repair shop, spare parts distributor, farm inventory stocking
Match with sickle blade assembly of combine header
Product Operate Guide
Shut down the harvester and lock safety before disassembly.
Remove worn or broken old guards; check cutter bar beam for deformation.
Clean the mounting seat, install new 86615983 knife guard and fasten bolts securely.
Adjust the clearance between guard and knife section, ensure smooth sliding without jamming.
Manually move the sickle bar back and forth to test cutting movement.
Check tightness and wear condition regularly during continuous harvesting; replace if cracked or severely worn.
Tip: Replace guards together with worn knife sections for best cutting effect.
Q1: Is this knife guard compatible with original New Holland cutter bar?
A: Yes, strictly manufactured according to OEM drawing, same mounting hole position and size, direct fit.
Q2: What is the function of knife guard?
A: It supports and guides the sickle blade, keeps correct cutting gap, protects blades from hitting hard debris, ensures stable cutting.
Q3: Is it genuine OEM part?
A: Premium aftermarket replacement. Original OEM parts can be supplied upon request.
Q4: Do I need to change all guards at one time?
A: It is recommended to replace damaged guards. If most guards are heavily worn, replace the whole set for consistent cutting clearance.
Q5: MOQ and shipping?
A: Sample order available. Bulk order supports sea, air and express delivery, commercial invoice provided for customs.
Product Video
