Description
This Stihl FS55, FS56 and FS70 gear head is a new-type aftermarket replacement for compatible Stihl brushcutters fitted with the 4144-series gearbox. It is supplied with high-performance gear grease for lubrication during installation and maintenance.
Compatible models include:
- Stihl FS55, FS55 2-MIX, FS55C and FS55C-E
- Stihl FS55R, FS55R 2-MIX, FS55RC and FS55RC-E
- Stihl FS56, FS56C, FS56C-E, FS56R, FS56RC and FS56RC-E
- Stihl FS70, FS70C, FS70C-E, FS70R and FS70RC-E
- Stihl FS-MM
OEM references:
- 4144 640 0100
- 4144 640 0102
- 41446400100
- 41446400102
Product details:
- Product type: complete gear head or gearbox
- Brand: Winzor
- Material: metal
- Application: petrol brushcutter or strimmer
- Gear grease included
- Condition: new aftermarket replacement part
This new-type assembly was generally fitted from approximately 2014 onwards, but production dates can overlap. Confirm the OEM number and compare the shaft connection and gearbox design with the photographs before ordering.











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