Product Description
500891 Nut is precision engineered lock nut for CLAAS agricultural harvesting equipment.
**Material features**: Made of high-grade alloy steel with quenching and tempering heat treatment. It delivers high tensile strength and anti-fatigue performance, resisting thread wear and deformation under heavy vibration and impact in farm environments. Precision tapped threads ensure smooth fit and reliable locking effect.
**Product characteristics**: This fastener is used to lock and fix harvester working assemblies. It counteracts vibration during field operation to prevent loosening of bolt connections. Worn threads, stripped or cracked nut will lead to loose connection, component shifting, abnormal noise and potential mechanical failure.
**Compatibility**: Direct aftermarket replacement matching OEM 500891, fully compatible with CLAAS Lexion Combine, CLAAS Tucano Combine, CLAAS Jaguar Forage Harvester. Inspect matching bolt and washer, clean thread debris and tighten with proper torque during installation. Install 500891 nut to maintain stable assembly connection and reduce harvester breakdown risks.
eight, W kg 0.12
Inner diameter, d mm 40
Ouside diameter, D mm 60
Overall width, Wb mm 39
Height, H mm 13
Thread, M M45х1.5
Pitch of screw thread, t mm 1.5
Ouside diameter , D1 mm 65
Nominal diameter, D mm 40
Height, H2 mm 10
**Material features**: Made of high-grade alloy steel with quenching and tempering heat treatment. It delivers high tensile strength and anti-fatigue performance, resisting thread wear and deformation under heavy vibration and impact in farm environments. Precision tapped threads ensure smooth fit and reliable locking effect.
**Product characteristics**: This fastener is used to lock and fix harvester working assemblies. It counteracts vibration during field operation to prevent loosening of bolt connections. Worn threads, stripped or cracked nut will lead to loose connection, component shifting, abnormal noise and potential mechanical failure.
**Compatibility**: Direct aftermarket replacement matching OEM 500891, fully compatible with CLAAS Lexion Combine, CLAAS Tucano Combine, CLAAS Jaguar Forage Harvester. Inspect matching bolt and washer, clean thread debris and tighten with proper torque during installation. Install 500891 nut to maintain stable assembly connection and reduce harvester breakdown risks.
eight, W kg 0.12
Inner diameter, d mm 40
Ouside diameter, D mm 60
Overall width, Wb mm 39
Height, H mm 13
Thread, M M45х1.5
Pitch of screw thread, t mm 1.5
Ouside diameter , D1 mm 65
Nominal diameter, D mm 40
Height, H2 mm 10
Specifications
| SKU | CL-500891 |
|---|---|
| OEM Number | 500891 |
| Brand | CLAAS |
| Compatible Models | CLAAS Lexion Combine, CLAAS Tucano Combine, CLAAS Jaguar Forage Harvester |
| PartNumber | 500891 |
| AlternatePartNumber | 500890,500892 |
| ProductName | Nut / Lock Fastener Nut |
| Brand | CLAAS |
| Material | High-grade alloy steel with quenching & tempering |
| Function | Fasten and lock mechanical assemblies, prevent bolt loosening under vibration, secure harvester components |
| CompatibleMachine | CLAAS Lexion Combine, CLAAS Tucano Combine, CLAAS Jaguar Forage Harvester |
| ApplicableCrops | Wheat, Corn, Soybean, Barley, Grass |
| FitmentType | Aftermarket replacement lock nut for Claas harvester fastening system |
| SpecialNote | Check bolt and washer, clean thread debris, tighten with specified torque; stripped threads cause loose assembly |
| Industry | Agriculture, Combine & Forage Harvester Fastener Spare Parts |
| Stock Status | On Order |
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Frequently Asked Questions
How often should I replace this part?
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We recommend replacing this part every 500 operating hours or annually, whichever comes first. Dusty conditions may require more frequent changes.
Is this an OEM or aftermarket part?
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This is a high-quality aftermarket part manufactured to OEM specifications. It meets or exceeds original equipment standards.
What is the shipping time?
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In-stock items ship within 24-48 hours. International delivery typically takes 5-12 business days.
Do you ship worldwide?
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Yes, we ship to over 120 countries worldwide. Contact us for a shipping quote to your location.
How do I confirm this part fits my machine?
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Please provide your machine model, serial number, and the OEM part number. Our technical team will verify compatibility within 24 hours.