Stihl FS 91 R vs Toro 51810T String Trimmer Comparison

The Stihl FS 91 R String Trimmer and the Toro 51810T are two of the leading products in the trimmer market. With superior features and functionality, these trimmers offer exceptional performance and reliability. This comparison guide will help you examine the differences between the Stihl FS 91 R and the Toro 51810T to determine which one is right for your trimming needs. The Stihl FS 91 R vs Toro 51810T String Trimmer Comparison is given below-

Stihl FS 91 R vs Toro 51810T String Trimmer Comparison

Here we compare Stihl FS 91 R vs Toro 51810T String Trimmer based on the following Parameters.

1. Power and Engine

The Stihl FS 91 R String Trimmer is a powerful, reliable machine that is perfect for tackling tough jobs. It has a 28-cc engine and a straight-shaft design, making it capable of reaching into tight spaces and lessening operator fatigue.

The Toro 51810T string trimmer also features a 28-cc engine but with a curved shaft. This provides superior maneuverability, allowing an operator to trim around obstacles with ease. The Toro’s power also gives operators more capability to handle overgrown grass and weeds more effectively, without needing additional equipment like edgers or brush cutters.

In terms of power output, the Stihl FS 91 R boast 2.48 horsepower while the Toro 51810T produces 1.5 horsepower; this means the Stihl model can work through tougher vegetation with greater ease compared to the Toro string trimmer.

Additionally, this high powered machine has two different blade types available depending on the task at hand: dual line and heavy duty line blades suited for trimming thick grasses and weeds.

In comparison, the Toro string trimmer supports one single line blade making it unable to tackle problematic patches of heavy weeds its counterpart can manage easily .

2. Usability

The Stihl FS 91 R string trimmer has been designed for maximum ease of use with its multi-position adjustable bike handle and ergonomically designed throttle control. Its angled trimmer head also makes it easier to reach difficult spots while its deluxe harness ensures comfortable use over extended periods of time.

On the other hand, the Toro 51810T offers a lightweight design that reduces fatigue, as well as an adjustable auxiliary handle with soft repairs for comfort and support. The motor also has an anti-vibration technology that cuts down on vibration levels when in use, making it more user-friendly than its competitors. Therefore, both products provide excellent usability on different levels and are ideal for professional or home use.

3. Features

The Stihl FS 91 R String Trimmer provides a smooth and efficient cutting experience with its powerful engine and low-vibration design.

It also features a long-lasting dual line that is easy to replace and has a TapAction line advance system that allows the user to control the length of their cut. Additionally, this trimmer offers an adjustable slicing guard made from aluminum for excellent trimming performance.

On the other hand, the Toro 51810T string trimmer comes with the Straight Shaft Power Drive Pro transmission plus system for peak power transfer throughout its entire speed range.

This trimmer also features Toro’s patented Turbo Force Bump Feed cutting head which eliminates reloading time while in use. Additionally, this trimmer has an extra thick rust proof shield which helps protect it from wear and tear during heavy-duty jobs.

4. Versatility

The Stihl FS 91 R String Trimmer and the Toro 51810T both offer top-of-the-line performance. Both have powerful engines that deliver consistent cutting power and great fuel economy. The Stihl FS 91 R is particularly notable for its versatility.

It features both a straight shaft and a curved shaft that makes it ideal for trimming areas with hard-to-reach places such as fence rows, trees, sidewalks, etc. It also has 8 different cutting head sizes to choose from that can handle any job you throw at it. The Toro 51810T also offers excellent performance and fuel economy but lacks in terms of versatility when compared to the Stihl FS 91R.

While it has five different heads to choose from, they’re all relatively similar in size and shape which restricts your ability to tackle those tough places like the Stihl trimmer can. Additionally, the Toro’s straight shaft design isn’t ideal for reaching around tight spaces such as fence lines or other obstacles.

Ultimately, if you’re looking for a trimmer that is multi-functional and offers excellent performance across multiple applications — then the Stihl FS 91 R String Trimmer would be an excellent choice over its competitor — the Toro 51810T.

Stihl FS 91 R vs Toro 51810T String Trimmer  Pros and Cons

The Pros and Cons are given below-

Stihl FS 91 R String Trimmer vs Toro 51810T:


  • Stihl FS91R string trimmer has a low-emission engine that is fuel efficient and environmentally friendly.
  • The Stihl trimmer’s long shaft allows for easy access to hard-to-reach spots in your yard or garden.
  • Toro 51810T trimmer features a straight shaft design, which enables users to get into tight spaces while trimming.
  • Toro’s 18″ cutting swath makes it easier to cover large areas of grass quickly.


  • The Stihl trimmer is heavier than the Toro at 14 lbs., making it harder to maneuver around the yard.
  • The Stihl trimmer does not come with an attachment for edging, while the Toro offers an optional edging attachment.
  •  The Toro trimmer is more expensive than the Stihl, costing almost twice as much.
  • Unlike the Stihl string trimmer, the Toro requires its oil be changed more frequently.

Stihl FS 91 R vs Toro 51810T String Trimmer Final Verdict- Which is better and why?

The overall winner in the Stihl FS 91 R String Trimmer vs Toro 51810T comparison is the Stihl FS 91 R. The Stihl trimmer sports a powerful motor, making it capable of tackling thicker grass and weeds with ease. It is lighter than the Toro model, making it easier to manoeuvre around obstacles or through thick vegetation.

In addition, the anti-vibration system ensures a comfortable trimming experience even over long periods of use. Finally, the long drive shaft adds versatility when reaching tough places such as fences and roadsides.

For those who want a powerful, well-balanced trimmer that is easy to use and handle, then the Stihl FS 91 R String Trimmer stands above its competition in this matchup.


Q1. What are the key features of the Stihl FS 91 R string trimmer?

A1. The Stihl FS 91 R string trimmer features a 25.4cc engine, a 60-degree angle cutting head, a loop handle design for maneuverability and control, a 14-inch cutting swath, Easy2Start technology for easy startup, and a variable speed throttle trigger with safety shutoff switch.

Q2. How powerful is the Toro 51810T string trimmer?

A2. The Toro 51810T string trimmer comes with a 26.5cc motor that provides powerful yet manageable performance. It has a 60 degree adjustable trimming head that allows users to work at various angles and tackle most trimming tasks with ease without having to sacrifice on speed or power output.

Q3. What other features does the Stihl FS 91 R string trimmer have?

A3. The Stihl FS 91 R string trimmer also comes with an adjustable rubberized grip handle for greater comfort during extended periods of use as well as quick on/off anti-vibration mounts to reduce operator fatigue. Additionally, it includes an automatic stop switch that will shut down the engine if left unattended to prevent accidental operation or damage to property or persons nearby.

Q4. Does the Toro 51810T come with any extra accessories?

A4 SpeedLoad spool head that allows you quickly replace or add cutting line without disassembling the unit as well as shoulder strap harness for moving your equipment around more comfortably and easily while you work in larger grassy areas and gardens over long periods of time.

Q5 Which one of the machines Stihl FS 91R vs Toro 51810T is better suited for home use?

A5 Both machines offer great features that make them perfect for home use including light weight materials construction which makes them easier to move around if necessary while still providing enough power and durability when taking care of residential lawns and yards from heavy duty edging jobs to light triming requirements higher ups across your property’s boundaries ensuring maximum value even after extended periods of time between service intervals thus making them great all round household contractors when selecting gardening equipment needs.


I hope you like reading on Stihl FS 91 R vs Toro 51810T String Trimmer Comparison.

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