The brush cutter attachment will fit the KM 91 R trimmer.
Stihl Brush Cutter Attachment, Fits Stihl KombiSystem, Model# FS KM GSB

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$19.99 Same DayStore Pickup:
4 in stock at Fredericksburg VA - Pickup in under 1 hr
- Heavy-duty brushcutter attachment features a 4-tooth cutting blade for weeds and thick, tough grass
- Not designed for trimming around obstacles
- Designed for use with the Stihl® KombiMotor system (sold separately)
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Description
Key Specs
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Q & A
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Warranty
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Product Summary
What's Included
- (1) Stihl Brush Cutter Attachment -- Fits Stihl KombiSystem, Model# FS KM GSB
Features + Benefits
- Heavy-duty brushcutter attachment features a 4-tooth cutting blade for weeds and thick, tough grass
- Not designed for trimming around obstacles
- Designed for use with the Stihl® KombiMotor system (sold separately)
Key Specs
| Attribute | Specification |
|---|---|
item# | 63937 |
Brand | Stihl |
Manufacturer's Warranty | 3 month limited warranty |
| Attribute | Specification |
|---|---|
Ship Weight | 13.35 LB |
Attachment Type | Brush Cutter |
Compatible With | Stihl Kombisystem |
Reviews
Questions & Answers
Questions
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· 5 days ago
Will this attachment fit on the KM 91R stihl weed walker?
1 answer-
ProductExpert6· 4 days ago
Helpful?
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· a month ago
Will this work on a Stihl KM55R?
1 answer-
ProductExpert10· a month ago
The Stihl FS‑KM GSB brush cutter attachment is not approved for use with the KM 55 R because the powerhead is too light‑duty to safely run brush‑cutter or blade attachments.
Helpful?
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· 4 months ago
Is this compatible with the Sthil FS-91R
1 answer-
ProductExpert30· 4 months ago
This attachment is compatible with model FS-91R.
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· 10 months ago
can this be used with the Stihl KM RC model as well ?
1 answer-
ProductExpert6· 10 months ago
The brush cutter attachment would be compatible with the KM 56 RC-E.
Helpful?
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· 10 months ago
what models is this attachment compatible with
1 answer-
ProductExpert11· 10 months ago
The FS KM GSB is designed to be used with the Kombi System power heads.
Helpful?
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· 10 months ago
Will this fit FS 90R stihl weed eater?
1 answer-
ProductExpert11· 10 months ago
The brush cutter attachment is designed to be used with the Stihl Kombi system powerhead. It will not work with the model FS 90R trimmer.
Helpful?
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· 10 months ago
Is this compatible with the FS 251 R weed wacke?
1 answer-
ProductExpert30· 10 months ago
This attachment is not compatible with the STIHL FS 251 R trimmer as it does not use the KombiSystem.
Helpful?
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Anonymous· 11 months ago
Is this compatible with km90r model?
1 answer-
ProductExpert13· 11 months ago
Yes, the STIHL FS-KM GSB grass cutting attachment is compatible with the STIHL KM 90 R.
Helpful?
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· 2 years ago
Will it work on a battery operated Stihl.
1 answer-
ProductExpert6· 2 years ago
The brush cutter would work to attach to the KombiSystem power head with the battery and charger, item #5886015.
Helpful?
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· 2 years ago
Can you put a 26-2 string trimmer head on this and it work as a string trimmer also without any problems.
1 answer-
ProductExpert6· 2 years ago
A string trimmer head could not be put on this brush cutter attachment.
Helpful?
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Warranty
Manufacturer's Warranty
3 month limited warranty
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$19.99 Same DayStore Pickup:
2 in stock at Fredericksburg VA - Pickup in under 1 hr
Specifications
Brush Cutter
Broom
Edger
Other
Stihl Kombisystem
Stihl Kombisystem
Stihl Kombisystem
Stihl Kombisystem
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Power Broom
Edger Attachment
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Handheld
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Gas
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4 lb
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Stihl Brush Cutter Attachment, Fits Stihl KombiSystem, Model# FS KM GSB
Item # 63937
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