Product Description
503995 Tension sprocket (assembled) is a ready-to-install chain tension assembly designed for CLAAS agricultural harvesting machines.
**Material features**: Constructed from high-grade alloy steel with quenched tooth surface. The integrated bearing unit adopts heavy-duty design to withstand continuous impact and vibration in farm conditions. Precision machined tooth profile ensures smooth meshing with roller chain and long service life.
**Product characteristics**: This pre-assembled tension sprocket adjusts chain tension automatically, keeps stable chain engagement, reduces transmission vibration. Worn sprocket teeth or stuck internal bearing will trigger chain jumping, abnormal noise and power interruption, leading to unexpected shutdown during harvest.
**Compatibility**: Direct aftermarket replacement matching OEM 503995, fully compatible with CLAAS Lexion Combine, CLAAS Tucano Combine, CLAAS Jaguar Forage Harvester. Inspect the matched chain and reset chain tension after installation. Install 503995 assembled tension sprocket to keep your harvester transmission system reliable.
Weight, W kg 0.76
Ouside diameter, D mm 93.5
Profile height, Th mm 13
Number of teeth, Z 14
Height, H mm 65
Thread, M М12
Ouside diameter, D1 mm 57
Thread length, Lc mm 18
Shaft diameter, Ds mm 26
**Material features**: Constructed from high-grade alloy steel with quenched tooth surface. The integrated bearing unit adopts heavy-duty design to withstand continuous impact and vibration in farm conditions. Precision machined tooth profile ensures smooth meshing with roller chain and long service life.
**Product characteristics**: This pre-assembled tension sprocket adjusts chain tension automatically, keeps stable chain engagement, reduces transmission vibration. Worn sprocket teeth or stuck internal bearing will trigger chain jumping, abnormal noise and power interruption, leading to unexpected shutdown during harvest.
**Compatibility**: Direct aftermarket replacement matching OEM 503995, fully compatible with CLAAS Lexion Combine, CLAAS Tucano Combine, CLAAS Jaguar Forage Harvester. Inspect the matched chain and reset chain tension after installation. Install 503995 assembled tension sprocket to keep your harvester transmission system reliable.
Weight, W kg 0.76
Ouside diameter, D mm 93.5
Profile height, Th mm 13
Number of teeth, Z 14
Height, H mm 65
Thread, M М12
Ouside diameter, D1 mm 57
Thread length, Lc mm 18
Shaft diameter, Ds mm 26
Specifications
| SKU | CL-503995 |
|---|---|
| OEM Number | 503995 |
| Brand | CLAAS |
| Compatible Models | CLAAS Lexion Combine, CLAAS Tucano Combine, CLAAS Jaguar Forage Harvester |
| PartNumber | 503995 |
| AlternatePartNumber | 503994,503996 |
| ProductName | Tension sprocket (assembled) / Pre-built Chain Tension Wheel Assembly |
| Brand | CLAAS |
| Material | Alloy steel with quenched tooth surface, integrated heavy-duty bearing |
| Function | Adjust and maintain chain tension, absorb vibration, prevent chain jumping and loose chain for stable power transmission |
| CompatibleMachine | CLAAS Lexion Combine, CLAAS Tucano Combine, CLAAS Jaguar Forage Harvester |
| ApplicableCrops | Wheat, Corn, Soybean, Barley, Grass |
| FitmentType | Aftermarket pre-assembled tension sprocket for Claas harvester chain drive system |
| SpecialNote | Check matched chain and calibrate chain tension; worn teeth or stuck bearing causes chain jumping and transmission failure |
| Industry | Agriculture, Combine & Forage Harvester Transmission System 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.