High-Performance Trimmer Gearbox Replacement

Upgrade your trimmer with this reliable replacement gearbox, designed for optimal performance and durability.

Key Features:

• OEM Part Compatibility: Replaces OEM Part numbers: 4137 640 0100, 4130 640 0100, 4130 641 0300.
• Durable Construction: Made from aluminum alloy for a sturdy structure and stable working performance.
• Corrosion-Resistant: Built to withstand the elements, ensuring longevity and reliability.
• Lightweight Design: Easy to install and handle, making it a hassle-free upgrade for your equipment.
• Flexible Compatibility: Perfect for changing mowing blades and trimmer heads, serving as the best alternative to traditional trimmer gearboxes.
• 10 Teeth Configuration: Features a 1 in/25.4 mm diameter shaft with square attachment holes, fitting most straight shaft trimmers.

Compatible Models:

This gearbox is compatible with a wide range of models including:

• Stihl FS36
• FS40
• FS44
• FS100, FS100R, FS100X, FS100RX
• FS110, FS110R, FS110X, FS110RX
• FS120, FS120R
• FS130, FS130R
• FS200, FS200R
• FS240, FS240R
• FS250, FS250R
• FS260, FS260C, FS260RC
• FS460C, FS460RC
• FS480, FS480C
• FR85, FR85T, FR130T
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