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Description
4140 710 7128 Drive Tube with Liner | Genuine STIHL OEM Replacement
The 4140 710 7128 Drive Tube with Liner is a genuine STIHL OEM replacement component designed for compatible STIHL KombiSystem units. The drive tube assembly transfers rotational power from the engine or powerhead to the attached KombiTool, while the internal liner helps support smooth operation of the drive shaft.
This replacement drive tube is designed for select KM 55 and KM 56 configurations.
Features That Make a Difference
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Genuine STIHL OEM replacement
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Part Number: 4140 710 7128
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Alternate Part Number: 41407107128
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Product Type: Drive Tube with Liner
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Designed for compatible STIHL KombiSystem equipment.
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Includes the drive tube and internal liner.
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Helps provide proper support and alignment for the drive shaft.
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Designed to transfer engine power to compatible KombiTools.
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OEM construction provides proper fit and compatibility.
Benefits
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Replaces a damaged, bent, worn, or deteriorated drive tube.
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Helps restore reliable power transfer to the attached KombiTool.
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Supports proper drive-shaft alignment.
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Helps reduce excessive movement and vibration within the drive tube.
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Genuine STIHL design helps ensure correct fit with the applicable powerhead and handle configuration.
Specifications
| Specification | Details |
|---|---|
| Part Number | 4140 710 7128 |
| Alternate Part Number | 41407107128 |
| Product Type | Drive Tube with Liner |
| Brand | STIHL |
| System | KombiSystem Drive Tube Assembly |
| Applications | KM 55 / KM 56 |
| Function | Drive Shaft Support & Power Transfer |
| Use | Repair / Replacement |
| Part Type | Genuine OEM Replacement |
Compatibility
The 4140 710 7128 Drive Tube with Liner is listed for:
KM Series KombiSystem
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KM 56 RC-E — Drive tube assembly, Loop handle KM 56 RC
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KM 55 R — Drive tube assembly, Loop handle
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KM 55 RC-E — Drive tube assembly, Loop handle
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KM 55 RC-E D — Drive tube assembly, Loop handle
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KM 55 R-D — Drive tube assembly, Loop handle
Always verify the exact model, handle configuration, and original part number before ordering.
What Does the Drive Tube Do?
The drive tube forms the main connection between the STIHL KombiSystem powerhead and the attached tool.
Inside the tube, the drive shaft rotates when the engine is running. This rotational power travels through the drive tube to the gear head or drive mechanism of the attached KombiTool.
The internal liner provides support for the drive shaft and helps maintain the correct relationship between the rotating shaft and the tube.
Signs Your Drive Tube May Need Replacement
A damaged or worn drive tube assembly may cause:
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Excessive vibration.
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Unusual rattling or noise.
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Poor power transfer.
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Difficulty connecting or operating the KombiTool.
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Visible bending or damage to the tube.
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Excessive play in the drive shaft.
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Drive shaft movement that feels rough or inconsistent.
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Reduced performance of the attached tool.
If the drive tube is damaged, inspect the drive shaft, liner, gear head, and connecting components for related wear before installation.
Why Replace the Drive Tube with Liner?
The drive tube and liner work together to support the rotating drive shaft. Damage to either component can affect power transmission and equipment operation.
Replacing the assembly with the correct STIHL OEM 4140 710 7128 Drive Tube with Liner helps restore the proper support and alignment of the drive system.
Installation Note
Before installation, compare the replacement assembly with the original component and confirm that the tube, liner, drive shaft connection, and handle configuration match your equipment.
Always follow the appropriate STIHL service procedure when removing and installing drive-system components.
Why Buy from Barry’s Power Equipment?
Barry’s Power Equipment provides quality OEM and replacement parts for lawn, garden, and outdoor power equipment.
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Genuine OEM replacement parts
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Quality products for residential and commercial equipment
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Competitive Pricing
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Fast Shipping
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Expert Customer Support
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Reliable parts for professional equipment repair and maintenance
Keep your STIHL KombiSystem operating properly with the STIHL 4140 710 7128 Drive Tube with Liner, a genuine OEM replacement for compatible KM 55 and KM 56 powerheads.
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