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- 4182 640 0136 STIHL Gear Head – Genuine OEM Part
Description
4182 640 0136 STIHL Gear Head – Genuine OEM Part
The STIHL Gear Head (4182 640 0136) is a genuine OEM replacement gear head designed for use on select STIHL pole pruners and KombiSystem pole pruner attachments.
This gear head is installed at the cutting end of the drive tube assembly and transfers power from the driveshaft to the saw chain, providing the correct gear reduction for efficient and controlled cutting performance. Proper gear head operation is essential for smooth power transmission, cutting efficiency, and long service life.
Manufactured to STIHL factory specifications, this OEM gear head ensures correct fitment, strength, and durability under professional operating conditions.
Replacing a worn, damaged, or noisy gear head helps restore proper driveline function and prevents further damage to internal components.
Product Details
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OEM Part Number: 4182 640 0136
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Brand: STIHL (Genuine OEM)
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Part Type: Gear Head
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Application: Pole pruner gear head / drive tube assembly (model-specific)
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Condition: New Genuine OEM Part
Function
This OEM gear head is designed to:
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Transfer power from the driveshaft to the cutting attachment
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Provide correct gear reduction for pole pruner operation
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Support smooth, efficient cutting performance
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Replace worn or damaged gear heads
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Help prevent driveline noise, vibration, or failure
⚠️ A damaged gear head may cause loss of power, excessive noise, or unsafe operation.
Verify Fitment (Recommended)
Before ordering, confirm:
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OEM part number 4182 640 0136
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Gear head configuration matches your model
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Application matches your STIHL illustrated parts diagram
⚠️ Gear head assemblies vary by model and drive tube configuration — always verify fitment by OEM part number.
Compatibility
Fits select STIHL models and configurations, including:
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HT 70 (Gear head, Drive tube assembly HT 75)
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HT 75 (Gear head, Drive tube assembly HT 75)
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HT 131 (Drive tube assembly, Gear head)
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HT (Gear head)
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HT-KM (Gear head)
(Exact application depends on configuration — verify using OEM parts diagram.)
Installation Notes
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Remove cutting attachment and drive tube components as required
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Replace gear head 4182 640 0136 in correct orientation
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Ensure proper driveshaft engagement
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Lubricate gear head as specified by STIHL
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Reassemble components securely
⚠️ Gear head service should be performed by a qualified technician.
Maintenance Tips
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Keep gear head properly lubricated at service intervals
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Inspect for leaks, noise, or excessive play
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Replace worn gear heads promptly to prevent driveline damage
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Always use genuine STIHL OEM gear components for correct fit and durability


