Skip to content

Product Summary

This STIHL® Gas-Powered Straight Shaft Trimmer trims circles around other professional trimmers. It provides 30% longer run times than the STIHL FS 100 RX to help get the job done quicker. It also saves users time with a simplified 3-step start procedure. Through its semi-automatic choke lever and 1-touch stop, this trimmer allows users to turn off the engine with the simple press of a button. Thanks to its high-powered and low exhaust emission engine, this straight, hollow steel shaft trimmer is dependable and practical. The perfect choice for professionals with demanding trimming needs.
This item may be purchased at select Northern Tool Stores. Not available for online order at NorthernTool.com.

What's Included

    (1) Straight shaft trimmer

Features + Benefits

  • Simplified starting system lets you just pump the fuel primer, set the choke and pull the starter cord
  • Built-in stop switch allows the user to turn off the engine with a simple press of the button
  • Throttle lock automatically returns to the ìstartî setting, leaving the tool ready to be started next time you want to get back to work
  • Air filter cover can be easily removed for fast and easy filter cleaning or replacement
  • Protected or enclosed control cables eliminate dangling and loose wires
  • Heavy-duty steel-on-steel centrifugal clutch is designed to reduce slippage
  • Protected spark plug is sheltered from the elements but remains easy to change
  • Protected spark arrestor muffler has large baffles which reduce noise level and contain a screen designed to reduce the emission of sparks
  • Upright translucent fuel tank is easy to refill and allows operator to easily check fuel level before starting work
  • IntelliCarb™ Compensating Carburetor measures the air pressure on the clean side of the air filter and adjusts the metering diaphragm in the carburetor keeping the RPM at a consistent level, even when the air filter begins to clog
  • Purge Pump Primer enables the user to prime the carburetor with fuel, reducing the possibility of engine flooding and enabling easier starting
  • Loop handle design is ideal for trimming between bushes and shrubs and other areas where space is limited
  • Multi-function control handle provides easy access to all of the controls on one comfortable handle, making it easy to complete tasks without ever having to remove hands from the handle
  • Anti-vibration system minimizes the vibration levels of handheld outdoor power equipment, reducing operator fatigue and providing a more comfortable working experience
  • Shoulder strap/carrying system helps distribute the weight of the equipment for increased operator comfort and improved maneuverability
  • Adjustable front handle adjusts to the needs of the user for optimum comfort
  • Fully-lined drive shaft provides smooth operation and less vibration
  • High Tech polymer housing is lightweight, withstands greater impact and is corrosion-resistant
  • Protected choke lever/knob helps prevent damage
  • Environmentally conscious Reduced-Emission Engine Technology produces zero to low exhaust emissions, performing cleaner than EPA and/or CARB exhaust emission standards

Key Specs

AttributeSpecification

item#

638471

Brand

Stihl

Manufacturer's Warranty

24 months parts/24months labor

Ship Weight

11.0 LB

Product Type

Trimmers

Primary Power Source

Gas

Max. Cutting Width

16.5 in

Cutting Width (in.)

16 1/2

Displacement (cc)

31.4

Min. Cutting Width

16.5 in

Engine Displacement

31.4 cc
AttributeSpecification

Fuel Tank Capacity

0.75 qt

Cordless

Yes

Horsepower

1.4 HP

Line Diameter

0.1 in

Engine Type

2-Cycle

Shaft Type

Straight

Shaft Length

50 in

CARB Compliant

No

Start Type

Pull

Tool Weight

11

Accessories We Recommend

Warranty

Manufacturer's Warranty

24 months parts/24months labor

Extend Your Warranty Coverage with a Northern Protection Plan (NPP)

Repair Plan — 1 Year

A Northern Protection Plan is available after adding the product to your shopping cart.