STIHL® FCS-KM Straight Lawn Edger KombiTool™ Attachment – 41807405008 Heavy-Duty Straight Shaft Edger – Built-In Guide Sight & Clog-Resistant Open Guard

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SKU:
STHFCS-KM
MPN:
FCS-KM
Availability:
Ready to ship
Weight:
0.0000 LBS
  • STIHL FCS straight edger attachment designed for precise lawn edging, landscape maintenance, and professional garden border definition.
  • STIHL FCS straight edger attachment creating a clean lawn edge along a flower bed and garden border with precision cutting.
$299.99
  • ✔️ Straight Shaft Power: Direct-drive straight shaft transfers maximum torque to the blade for slicing through thick, dense turf. ✔️ Built-in Blade Sight: Integrated alignment guide ensures perfectly straight edge lines.
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Description

STIHL® FCS-KM Straight Lawn Edger KombiTool™ Attachment

Solid Steel Drive Shaft For Maximum Power. Clog-Resistant Open Guard Design. Precise Adjustable Depth Control Wheel.

The Stihl 4180-740-5008 FCS-KM Straight Edge Trimmer KombiTool introduces laser-straight hardscaping edges, exceptional torque delivery, and professional-grade durability directly to your multi-task yard maintenance setup. Purpose-built to eliminate sloppy, wandering lines, frequent debris clogging, and the high expense of maintaining separate dedicated engines, this premium straight shaft lawn edger attachment serves as the perfect upgrade for your existing system. It equips commercial landscaping crews, municipal gardeners, and meticulous homeowners with a heavy-duty landscaping module optimized to carve sharp borders along concrete paths, slice through thick overgrowth burying driveway curbs, and sculpt clean edges around mulched flower beds.

Industrial-grade mechanics and excellent field visibility form the engineering backbone of this high-torque Stihl FCS-KM Straight Lawn Edger. Driven by a robust, solid steel internal drive shaft, this attachment delivers significantly higher torque transfer directly to the blade compared to flexible-shaft variants, slicing through compacted dirt and dense roots without bogging down. To ensure a smooth pass every time, the heavy-duty shield is designed with an open guard architecture that effortlessly ejects dirt, grass, and mud to minimize performance-robbing clogs. The frame incorporates an adjustable depth control wheel to let you customize your trench depth, alongside a high-visibility molded-in blade sight so you can track your cutting line perfectly down long pavements.

Why the STIHL FCS-KM Edger Dominates Professional Property Lines:

  • Solid Steel Drive Shaft: Provides maximum energy transfer directly from your motorhead to the cutting blade, offering superior torque over flexible cable shafts.
  • Clog-Resistant Open Shield: Engineered with a specialized open trailing guard that allows soil and grass clippings to exit freely, preventing damp mud from packing inside.
  • Integrated Line-of-Sight Guide: Features a built-in molded blade indicator window to help the operator align cuts perfectly along sidewalks, walkways, and patios.
  • Tool-Free Depth Customization: Equipped with an adjustable support wheel that locks tightly into place to maintain a uniform edging depth across varied terrain.
  • Universal KombiSystem Fitment: Slides seamlessly onto all standard loop-handle KombiEngines (including the KM 56 RC-E, KM 91 R, KM 111 R, and KM 131 R).

Specifications

Landscape Edging Metric Universal Specification Details
Model SKU Part Number FCS-KM Straight Shaft Edger / 4180 740 5008
Manufacturer Brand Line STIHL® Inc. (KombiSystem Interchangeable Family)
Internal Drive Shaft Type Heavy-Duty Solid Rigid Steel Drive Shaft Module
Debris Guard Architecture High-Impact Polymeric Open Guard Clog-Free Design
Depth Regulation Setup Built-In Adjustable Depth Control Wheel Matrix
Cutting Alignment Support Molded-In High-Visibility Top Shield Blade Guide Sight
Total Accessory Net Weight Lightweight 5.7 lbs (2.6 kg To Limit Arm Swing Strain)
Recommended Applications Trimming Hardscape Walkways, Curbs, and Planting Beds
KombiEngine Compatibility Fits Loop-Handle Platforms (KM 56, 91, 111, 131, FSA 135)
Blade Replacement Profile Uses Standard Heavy-Duty 8" Ground Penetrating Steel Blades

Frequently Asked Questions

+ Does this product include the motor engine handle unit?
No. This part number is for the individual straight shaft edger attachment tool only. To operate this edger, it must be paired with an official gas or battery-powered STIHL KombiEngine powerhead (such as a KM 56, KM 91, KM 111, KM 131, or battery-powered FSA units) equipped with a loop handle connection.
+ What is the advantage of a straight shaft edger over a curved shaft edger?
The FCS-KM features a solid steel straight drive shaft that delivers maximum mechanical power directly to the blade, giving you superior torque for cutting through thick, overgrown grass or hard packed roots. Curved shaft edgers (like the FCB-KM) use a flexible cable line, which makes them lighter and easier to turn, but they lack the raw cutting force of a rigid straight shaft.
+ How do the adjustable depth wheel and open guard work together?
The adjustable depth control wheel allows you to change the penetration depth of your blade to perfectly clear out deep overgrowth. Because deep cutting lifts a massive amount of loose dirt and grass, the specialized open guard design allows debris to be ejected immediately behind the blade, preventing mud from packing tightly inside the housing and stalling the engine.
+ Can I use this edger attachment on standard STIHL dedicated string trimmers?
No. The FCS-KM is built specifically with a specialized quick-connect coupling notch designed strictly for the interchangeable STIHL KombiSystem product family. It is not compatible with, and cannot be attached to, dedicated single-purpose trimmers like the FS 56, FS 91, or FS 131 models.
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Product Specifications

selling_points:
✔️ Straight Shaft Power: Direct-drive straight shaft transfers maximum torque to the blade for slicing through thick, dense turf. ✔️ Built-in Blade Sight: Integrated alignment guide ensures perfectly straight edge lines.
category_bullets:
• Stihl FCS-KM Straight Edger Core: Professional straight shaft lawn edger KombiTool attachment delivers precise, high-power cuts along walkways and driveways. • Depth Control Wheel. • Open Guard Design.
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