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For larger areas, STIHL FS 91 R is a strong option on paper with a 4-MIX engine and 16.5-inch cutting circle. FS 56 RC-E is a simpler homeowner alternative; compare the models’ weight and intended work.
Quick answer
STIHL FS 91 R is the heavy-duty choice for long grass and landscape maintenance, according to STIHL. FS 56 RC-E is aimed at large areas with homeowner and professional use in its description, while FS 38 is the lighter entry-level option for home gardeners. Choose the model by task, handle and cutting tool compatibility.
Official manufacturer image
Best for demanding clearing and long grass
Drawback: At 12 lb before refuelling and without cutting tool or guard, it is a substantial unit.
Official manufacturer image
Best for a homeowner-ready gas line trimmer
Drawback: The cited product page does not provide a comparable weight or engine output in the available details.
Official manufacturer image
Best for lighter home garden work
Drawback: Detailed comparative technical specifications were not available on the cited range result.
| Official manufacturer imageSTIHL FS 91 R | Official manufacturer imageSTIHL FS 56 RC-E | Official manufacturer imageSTIHL FS 38 | |
|---|---|---|---|
| Positioning | Long grass and landscape maintenance | Large areas; home and professional use | Entry-level home gardening |
| Engine | 1.30 bhp 4-MIX | — | — |
| Cutting circle | 16.5 in | — | — |
| Weight | 12 lb, without tool/guard/fuel | — | — |
| Check price on Amazon.ca | Check price on Amazon.ca | Check price on Amazon.ca |
Common questions
It can be useful for sustained work or heavier vegetation, but fit depends on the model, operator and maintenance needs. Compare cutting equipment, weight and intended use rather than engine power alone.
STIHL identifies the FS 91 R’s engine as a high-torque 4-MIX. Follow the model manual for its fuel and operating requirements.
STIHL lists ErgoStart as a feature intended to make starting easier. Starting still depends on correct setup and following the manual.
Use the cutting tool approved for the exact model and vegetation, and follow the guard requirements in the manual. Do not fit an unapproved blade.
Keep exploring
Choose a compact trimmer for edging and light growth, or a wider, higher-voltage model for longer sessions. Check whether each listing includes its battery and charger.
The FSA 45 is a compact option with an integrated battery; the FSA 57 Set adds a replaceable AK battery and charger. Choose by yard size and how you want to manage runtime.
Choose by the work first: line trimmers suit routine grass edges, while wider or multi-blade tools target different yard tasks. Battery compatibility and head design help narrow the field.