Stihl MS 251 Chainsaw - 18" 325mm Bar - Felling - with Free Gift
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STIHL MS 251 Chainsaw - 18" .325" Bar. Powerful and reliable for felling, wood cutting, and demanding jobs.
The STIHL MS 251 chainsaw is a robust and versatile machine, designed for those who regularly have to cut wood, fell and maintain private land and forests . Thanks to the 45 cm (18") bar and the displacement of approximately 45.6 cm³ , it offers good power reserves even on large logs. This version also comes with a free gift included , to offer you even more convenience.
✔️ 45cm (18") bar: suitable for felling, cutting logs and preparing firewood.
✔️ STIHL 2-MIX engine: good power, low fuel consumption and reliability even during frequent use.
✔️ .325" pitch chain: suitable for tackling more demanding jobs while maintaining an effective and regular cut.
✔️ Robust and well-balanced structure: allows you to work with greater control when felling and cutting wood.
✔️ With a free gift included: an even more convenient solution for those looking for a complete, ready-to-work chainsaw.
I recommend the MS 251 to those who already have chainsaw experience and want a more powerful machine than the entry-level models. The 45 cm guide bar and good engine torque make it particularly suitable for those who prepare a lot of firewood and also need to handle larger fellings.
👉 Please note: to maintain high performance, check the chain tension and sharpness frequently and use fresh fuel and quality chain oil.
Is this the right chainsaw for you?
✔️ Yes if:
- 🔸You regularly prepare plenty of firewood.
- 🔸You need to fell and cut medium-sized logs.
- 🔸Do you have land, woods, or property to maintain?
- 🔸Looking for more power than basic hobby chainsaws.
- 🔸You want a sturdy and reliable machine for frequent use.
❌ No if:
- 🔸You only need to do small pruning jobs.
- 🔸You use the chainsaw a few times a year for small branches.
- 🔸You are looking for a very light and compact machine.
- 🔸You work daily as a professional lumberjack on large-scale felling operations.
👉 If you're looking for a powerful, robust, and versatile chainsaw for felling and firewood preparation, the STIHL MS 251 with 18" bar represents an excellent compromise between performance, reliability, and ease of use.
STIHL MS 251 Chainsaw: Power and Reliability for Felling and Firewood
The STIHL MS 251 is a robust and compact chainsaw designed for those who regularly have to tackle felling, cutting and preparing firewood .
The 45.6 cm³ STIHL 2-MIX engine develops 2.2 kW / 3.0 hp and offers good cutting performance even on the most demanding logs. STIHL recommends it for home and craft work and for firewood harvesting.
This version with an 18" (45 cm) bar and .325" pitch chain is particularly interesting for those looking for a more powerful chainsaw than the basic models and who want to tackle frequent jobs in the woods or on their own property. The version also comes with a free gift included .
Who is this chainsaw suitable for?
- Anyone who regularly prepares firewood
- Owners of forests and lands
- Farmers and advanced users
- Who needs to carry out small and medium-sized felling
- Those looking for a sturdy chainsaw for frequent use
Why choose STIHL MS 251?
STIHL 2-MIX engine 2.2 kW
It offers a good power reserve for cutting wood and felling work, while maintaining a relatively compact machine.
45cm (18") bar
An interesting length for tackling larger logs and expanding the range of use compared to smaller chainsaws.
.325" pitch chain
A configuration suitable for more demanding cutting jobs, with a good combination of cutting capacity and control.
STIHL anti-vibration system
It reduces the transmission of vibrations to the handles and helps you work more comfortably during prolonged sessions.
Single lever control
The main start and stop functions are managed by a single control, simplifying the use of the machine.
Pre-air separation
Coarse particles are separated before reaching the filter, helping to reduce the frequency of cleaning interventions.
When it's NOT the right choice
- If you mainly need to do small pruning jobs
- If you only use the chainsaw a few times a year
- If you are looking for a very light and compact machine
- If you work daily in very demanding professional forestry felling
The MS 251 is a chainsaw especially suitable for those who want to step up from smaller hobby models: more cutting capacity, a long bar and a structure designed for frequent jobs.
STIHL MS 251 vs. Husqvarna 450S: Which One Should You Choose?
The STIHL MS 251 and the Husqvarna 450S are two chainsaws suitable for felling, cutting, and preparing firewood. The Husqvarna 450S, however, is slightly superior in terms of displacement and power: it uses a 50.2 cm³, 2.4 kW engine, while the MS 251 stops at 45.6 cm³ and 2.2 kW .
Husqvarna describes the 450S as a machine for intensive home use , intended for felling, cutting firewood and delimbing.
| Characteristic | STIHL MS 251 | Husqvarna 450S |
|---|---|---|
| Category | Advanced private / artisanal | Intensive private use |
| Displacement | 45.6 cm³ | 50.2 cm³ |
| Power | 2.2 kW | 2.4 kW |
| Bar | 45 cm (18") | 45 cm (18") |
| Chain pitch | .325" | .325" |
| Chain speed at max power | High | 18.5 m/s |
| Weight without cutting unit | Compact for the category | 5 kg |
| Setting | Balance between power, comfort and simplicity | Higher performance and reinforced structure |
| Ideal for | Firewood and frequent felling | Intensive use, felling, cutting and limbing |
👉 Bottom line: Choose the STIHL MS 251 if you want a robust yet relatively compact chainsaw with a very balanced setup and typical STIHL simplicity.
Instead, choose the Husqvarna 450S if you want something more in terms of displacement and power: the 50.2 cm³ and 2.4 kW make it particularly interesting for those who tackle intensive jobs more frequently.
Fabrizio 's usage tips and suggestions
I'll give you some practical advice on the MS 251. In my opinion, this is one of the chainsaws to consider when you start having a significant amount of wood to prepare every year and the smaller models start to become limiting.
The 45 cm bar and 2.2 kW engine allow you to tackle logs of significant size without yet entering the category of professional forestry chainsaws.
The real difference compared to the smaller models
When displacement, power and bar length increase, it doesn't just mean being able to cut larger logs.
It also means being able to work more continuously and with less engine fatigue when you have to cut large quantities of wood.
The sensations in real use
- Good torque: works well even when the trunk diameter increases.
- 45 cm bar: allows you to tackle a very wide range of jobs.
- Balanced machine: it is not yet excessively large for the advanced private user.
- Good comfort: the anti-vibration system is especially appreciated after several cuts.
- Versatile: you can use it for felling, cutting and preparing firewood.
When I really recommend it
I recommend this model to those who:
- prepares several cubic meters of firewood every year;
- owns a forest or land;
- must carry out culling with a certain frequency;
- wants a 45cm bar;
- looking for something more important than the classic entry-level chainsaws;
- does not yet require a professional forestry machine.
An aspect that many underestimate
With a chainsaw in this category, a well-sharpened chain makes a huge difference.
If the chain becomes dull, you'll have to apply more pressure to the machine, slowing the cut, and increasing fuel consumption and fatigue. An MS 251 with a properly sharpened chain will perform much better than a more powerful but neglected machine.
How to work better
Before starting, always check the chain tension, chain oil level and condition of the cutting unit.
While cutting, avoid forcing the chainsaw into the wood: let the motor and chain do their work. If you have to press continuously, it's often time to sharpen.
MS 251 or Husqvarna 450S?
If I were looking for a balanced chainsaw for firewood and regular felling , the MS 251 would be one of the first I would consider.
The 450S becomes interesting when you want to step up a level a little. It has 50.2cc versus 45.6cc and 2.4kW versus 2.2kW , so on paper it offers greater power reserves.
However, I wouldn't choose based on 0.2 kW alone: I would also consider ergonomics, available service, price and personal preference between STIHL and Husqvarna .
Pre-shipment inspection
Before shipping, we check that the chainsaw is complete, correctly assembled, and that all the accessories and freebies included in the configuration are present.
My final advice
If you're looking for a chainsaw to use regularly for preparing firewood and also for felling, the STIHL MS 251 with 18" bar is a very balanced machine.
👉 If, on the other hand, you want more displacement and a machine more oriented towards intensive use, the Husqvarna 450S is the direct alternative I would evaluate.
Questions & Answers about the STIHL MS 251 chainsaw
Is the STIHL MS 251 suitable for felling trees?
Yes. STIHL also recommends it for processing logs and collecting firewood. The 45 cm bar configuration allows for felling tasks compatible with the machine's and operator's capabilities.
What is the engine capacity of the MS 251?
The displacement is 45.6 cm³ and the declared power is 2.2 kW / 3.0 hp .
Which is better: STIHL MS 251 or Husqvarna 450S?
The MS 251 is slightly more compact and very well-balanced. The 450S, on the other hand, has a displacement of 50.2 cm³ and 2.4 kW, offering greater power reserves and is designed for intensive private use.
Is the 18" bar suitable for firewood preparation?
Yes. A bar of approximately 45 cm allows you to tackle a very wide range of logs and is particularly useful for those who prepare firewood regularly.
Is the MS 251 a professional chainsaw?
STIHL primarily targets home and craft use. It's a robust machine for frequent use, but there are specific, higher-end models for everyday professional forestry work.
What chain pitch do you use?
This configuration uses a .325" pitch chain, suitable for the cutting and sectioning jobs typical of this category.
Is it suitable for those who prepare a lot of firewood?
Yes. This is precisely one of the uses for which the MS 251 is particularly interesting: it offers good cutting capacity without becoming cumbersome like a professional forestry chainsaw.
What maintenance does it require?
It is important to check the chain tension and sharpness, clean the air filter periodically, check the spark plug and use fresh fuel mixture and quality chain oil.
How do I keep it efficient over time?
Regular maintenance of the air filter, fuel filter, and spark plug helps maintain the performance and longevity of your machine. STIHL also offers a dedicated Service Kit for the MS 251.
Is the product checked before shipping?
Yes. Before shipping, we check that the chainsaw is complete, correctly assembled, and that all the required components and freebies are present.
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Useful links
- Passo Catena
- .325\"
- Displacement
- 45.6 cm³
- Power
- 3 CV
- CO2
- 819 g/kWh
- Unit weight without fuel
- 4.8 kg
- System weight without fuel
- 5.57 / 5.67 / 5.60 / 5.70 kg
- Power-to-weight ratio
- 2.20 kg/kW
- Length of the bar
- 35 / 40 / 45 cm
- Groove width
- 1.60 / 1.30 mm
- Left vibration value
- 3.9 m/s²
- Right vibration value
- 3.9 m/s²
- Length of the device with claw stop
- 424 mm
- Sound pressure level
- 103 dB(A)
- Sound power level
- 113 dB(A)