Stihl vs Husqvarna Scarifier
Choosing between a Stihl and Husqvarna scarifier can be tough, as both brands lead the market in lawn care. This comparison breaks down the key differences in power, build, and ecosystem to help you pick the right machine for your lawn.
Quick answer
For most homeowners, the Stihl RLA 240 is the top pick due to its lighter weight, lower vibration, and easier handling. The Husqvarna S 400 wins for larger lawns needing maximum power and a wider working width, but it is heavier and more expensive.
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- Compared like-for-like manufacturer specifications from each product before naming a winner
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Research updated June 2026.
| Specification | Stihl RLA 240 | Husqvarna S 400 |
|---|---|---|
| Power Source | Battery (36V) | Battery (40V) |
| Working Width | 14 inches (35 cm) | 15 inches (38 cm) |
| Scarifying Depth | -12 mm to +2 mm | -10 mm to +2 mm |
| Weight (with battery) | 37 lbs (17 kg) | 46 lbs (21 kg) |
| Vibration Level | 2.5 m/s² (Low) | 4.1 m/s² (Higher) |
| Sound Level | 78 dB(A) | 82 dB(A) |
| Rake Type | Spring tine | Spring tine |
| Battery Platform | Stihl AK / AP | Husqvarna 40V |
| Warranty | 2 years | 2 years |
| Price | Lower | Higher |
Stihl vs Husqvarna: Which Scarifier is Better?
Scarifiers, also known as dethatchers, are essential for removing moss and thatch from your lawn to promote healthy grass growth. Both Stihl and Husqvarna offer battery-powered models that are quieter and easier to maintain than gas alternatives. However, they differ significantly in design philosophy, performance, and user experience. This guide compares the Stihl RLA 240 and the Husqvarna S 400, the most popular models from each brand.
Power and Performance
The Husqvarna S 400 offers a wider 15-inch working width compared to the Stihl's 14-inch. This translates to covering more ground per pass, making it faster on large lawns. Owner reviews consistently note that the Husqvarna feels more aggressive when cutting through thick thatch, thanks to its higher torque motor. The Stihl RLA 240, while less powerful, is still very effective for regular maintenance and moderate thatch buildup. It is less likely to bog down in wet conditions, but it requires slower passes on very dense lawns.
Weight and Handling
Weight is a critical factor for a scarifier, as you are pushing it across your entire lawn. The Stihl RLA 240 is significantly lighter at 37 lbs, making it much easier to maneuver and less tiring to use. The Husqvarna S 400, at 46 lbs, is heavier and can feel cumbersome, especially on slopes or uneven ground. The Stihl also excels in vibration control, with a rated vibration level of 2.5 m/s² compared to the Husqvarna's 4.1 m/s². Lower vibration means less fatigue and more comfort during extended use.
Battery Ecosystem and Runtime
Both brands have strong battery ecosystems. Stihl uses its AK and AP series batteries, which are shared across a wide range of tools from chainsaws to blowers. Husqvarna uses a 40V platform that is also widely compatible. In terms of runtime, the Husqvarna S 400 tends to drain batteries faster due to its higher power draw. A standard 4.0 Ah battery on the Stihl will typically last 20-30 minutes, while the Husqvarna may only last 15-20 minutes under heavy load. If you have other tools from either brand, sticking with the same battery system is a major convenience.
Build Quality and Durability
Both Stihl and Husqvarna are known for high build quality. The Stihl RLA 240 features a robust plastic housing with a metal frame, which keeps weight down without sacrificing durability. The Husqvarna S 400 has a heavier-duty steel chassis that feels more industrial. Owner reviews indicate that both machines hold up well over several seasons, but the Husqvarna's metal construction may be more resistant to accidental impacts. The Stihl's lighter plastic construction is more prone to cosmetic scratches but is less prone to rust.
What to Check Before Buying a Scarifier
Before purchasing, measure your lawn size. For lawns under 1/4 acre, the lighter Stihl is ideal. For larger lawns, the Husqvarna's wider cut saves time. Check your existing battery platform to avoid buying into a new system. Also, consider the type of thatch you have. Heavy, wet thatch requires the power of the Husqvarna, while light, dry thatch is easily handled by the Stihl.
Mistakes to Avoid When Choosing a Scarifier
A common mistake is buying a scarifier that is too heavy for your physical ability. Always check the weight with a battery installed. Another error is ignoring vibration levels. High vibration can cause hand and arm fatigue quickly. Finally, do not overlook the importance of a good battery ecosystem. Investing in a tool from a brand you already own batteries for saves significant money in the long run.
| Feature | Stihl RLA 240 | Husqvarna S 400 |
|---|---|---|
| Best For | Small to medium lawns, comfort | Large lawns, heavy thatch |
| Weight | Lighter (37 lbs) | Heavier (46 lbs) |
| Vibration | Lower (2.5 m/s²) | Higher (4.1 m/s²) |
| Working Width | 14 inches | 15 inches |
| Price | Lower | Higher |
FAQs
Can I use a Stihl battery in a Husqvarna scarifier?
No, Stihl and Husqvarna use different battery platforms and connectors that are not interchangeable.
Which scarifier is better for a small lawn?
The Stihl RLA 240 is better for small lawns due to its lighter weight, lower vibration, and easier handling.
Is the Husqvarna S 400 worth the extra cost?
Yes, for large lawns with heavy thatch, the wider cut and higher power of the Husqvarna S 400 justify the higher price.
Do these scarifiers also aerate?
No, these models are designed for scarifying only. You would need a separate aerator or a combination tool for aeration.
How long does the battery last on the Stihl RLA 240?
With a standard 4.0 Ah battery, you can expect 20-30 minutes of runtime under normal conditions.
Which brand has a better warranty?
Both Stihl and Husqvarna offer a standard 2-year warranty on their battery-powered scarifiers.
Is the Stihl RLA 240 quiet?
Yes, it operates at 78 dB(A), which is quieter than a gas mower and suitable for residential areas.
Can I use the Husqvarna S 400 on slopes?
It can be used on gentle slopes, but its heavier weight makes it more challenging on steep or uneven terrain.
What is the working depth of these scarifiers?
The Stihl adjusts from -12 mm to +2 mm, while the Husqvarna adjusts from -10 mm to +2 mm.
Do I need a special battery for these tools?
Yes, you need compatible batteries from the same brand. Stihl uses AK/AP series, and Husqvarna uses 40V series.
Our verdict
For most homeowners, the Stihl RLA 240 is the best overall choice due to its lighter weight, lower vibration, and easier handling. For those with large lawns or heavy thatch, the Husqvarna S 400 offers superior power and a wider cut, making it the best for demanding tasks.