STIHL, nhà sản xuất của hai máy cưa này, không thể phủ nhận là công ty hàng đầu trong ngành khi nói đến thiết bị điện cầm tay. Whether you’re talking about chainsaws, tông đơ, blowers or any other type of product, STIHL has continuously been a pioneer in the field for decades. They sell more gas-powered products than their competitors and constantly push boundaries with their innovations.

So sánh chi tiết

	CÔ 181	CÔ 251 C-BE
Thông số kỹ thuật	CÔ 181	CÔ 251 C-BE
Dịch chuyển cm³	31,8	45,6
Công suất đầu ra kW / bhp	1,5/2	2,2/3
Trọng lượng kg	4,3 1)	5,1 1)
Tỷ lệ công suất trên trọng lượng kg / kW	2,9	2,4
Mức áp suất âm thanh dB(Một)	100 2)	103 2)
STIHL Loại xích cưa có dầu	Đỉnh Micro Mini 3 (PMM3)	nhanh chóng vi mô (RM)
Mức công suất âm thanh dB(Một)	112 3)	114 3)
Mức độ rung trái / phải m / s²	3,5/3 4)	3,9/3,9 4)
Cưa xích	3/8"P	.325″

STIHL MS 181

It will adjust fuel delivery, ignition timing and even idle speed to ensure that your saw is always running at its most efficient level. Basically, this means that you can look forward to improved fuel economy, increased power and consistent torque no matter where or when you’re working with these tools. Cả MS 181 và MS 251 C-BE are lightweight chainsaws designed for cutting firewood or felling trees up to around 10 đường kính inch. The only real difference between these two models is that one.

They also both have a 2-MIX engine, which is an advanced combustion technology that gives you more power but uses 20 percent less fuel than their predecessors. The differences in performance between this and other models of STIHL chainsaws are negligible—both machines will cut through a 16″ log with no problem. Ease of Use The 251 C-BE có.

STIHL MS 251 C-BE

Các STIHL MS 251 C-BE with Easy2Start™ technology is a mid-sized chainsaw that’s designed with the professional in mind. MS 251 C-BE is part of STIHL’s new generation of fuel-efficient, low emission chain saws. It features stratified charge engine technology that cuts fuel consumption by up to 20% và lượng khí thải lên tới 50%.

The anti-vibration system reduces operator fatigue and improves comfort during those long days on the job. thêm vao Đoa, MS 251 C-BE starts quickly with just a light pull of the starting cord thanks to the Easy2Start™ system – making this a great chainsaw for homeowners who are looking for professional performance. This saw has a number of convenient features, including an easy access air filter so you can maintain your machine without difficulty.

STIHL MS 181 so với MS 251 C-BE|Công cụ chuyển

STIHL MS 181 has a smaller engine displacement than the STIHL MS 251 C-BE. Điều này có nghĩa là STIHL MS 181 is a better choice for certain applications. The engine displacement refers to the volume of fuel that is displaced by the pistons in one full cycle of an internal combustion engine. A larger engine displacement means that more fuel can be burned, which translates to the increased power output from the engine. Tuy nhiên, this may not be desirable for all applications, especially when precision and control are important factors for completing your task properly.

STIHL MS 181 so với MS 251 C-BE|Sản lượng điện

oth of these chainsaws are run by a single cylinder, động cơ hai kỳ. Về sản lượng điện, STIHL MS 181 được đánh giá ở mức 2.0 mã lực và 3,800 số vòng quay mỗi phút (vòng / phút). STIHL MS 251 C-BE được xếp hạng ở 2.5 mã lực và 9,000 vòng / phút. Both of these ratings are much higher than you would expect to see in a residential chainsaw.

STIHL MS 181 is considered a light-duty chainsaw while the STIHL MS 251 C-BE is considered a medium-duty chainsaw. If you need something for big jobs, such as cutting down trees or clearing brush after a storm, STIHL MS 251 C-BE is your best choice. Tuy nhiên, if you need something for smaller jobs around your property, chẳng hạn như cắt cành hoặc chặt củi, STIHL MS 181 will do just fine.

STIHL MS 181 so với MS 251 C-BE|Trọng lượng

MS 181 và MS 251 C-BE are both lightweight chainsaws, nhưng MS 251 C-BE is a little lighter. With a weight of 10.6 bảng, STIHL MS 181 is one of the lightest chainsaws on the market. But the STIHL MS 251 C-BE chỉ nặng 10.3 bảng. This slight difference in weight could be enough to make a difference if you’ve got a tough job to do and you’re worried about fatigue.

STIHL MS 181 so với MS 251 C-BE|Tỷ lệ công suất trên trọng lượng

MS 181 có dung tích động cơ là 30.1 cc, cân nặng 9.3 lbs., and has a power-to-weight ratio of 3.2 lbs./kW (2.4 lbs./hp). MS 251 C-BE có dung tích động cơ là 50.2 cc, cân nặng 11.6 lbs., and has a power-to-weight ratio of 3.25 lbs./kW (2.44 lbs./hp).

Both chainsaws have easy starts with STIHL Easy2Start™ technology, which makes starting nearly effortless; an anti-vibration system that reduces operator fatigue; an ergonomic handle; digital ignition with an automatic impulse function; and STIHL’s Ematic™ bar lubrication system, which provides maximum lubrication, longer chain life, and less oil consumption than conventional methods of lubricating the bar and chain.

STIHL MS 181 so với MS 251 C-BE|Mức áp suất âm thanh

STIHL MS 181 is an outstanding light-duty chainsaw with a sound pressure level of 104 dB(Một), trong khi STIHL MS 251 C-BE có mức áp suất âm thanh là 110 dB(Một). To help explain how much difference 6 dB can make, here’s a list of decibel levels you may be familiar with:

• A whisper: 15 dB
• Normal conversation: 60 dB
• A lawn mower: 90 dB
• A motorcycle: 95 dB
• A rock concert or a jet engine: 120 dB
• A gunshot or firecracker: 140 dB

STIHL MS 181 so với MS 251 C-BE|Mức độ rung trái / phải

MS 181 C-BE nhẹ, fuel-efficient chainsaw with low vibrations. The STIHL Easy2Start™ system makes starting the saw almost effortless. This chainsaw also has an advanced anti-vibration system and side chain tensioner for comfortable operation. STIHL MS 251 C-BE is a professional, high-performance chain saw that features our pre-separation air filtration system—extending the cleaning life of the air filter so you have less maintenance. The “C” designation in both model names means that these saws are equipped with STIHL’s Easy2Start™ technology, which makes starting these saws almost effortless.

Both saws feature a low vibration cutting system, allowing for a more comfortable user experience. MS 181 features an anti-vibration system that isolates the handles from the engine while the 251 C-BE features the STIHL M-Tronic engine management system, eliminating vibration through electronic engine mapping.

STIHL MS 181 so với MS 251 C-BE|Cưa xích

The size of the drive links and cutters in millimeters determines what is often referred to as the pitch of a saw chain. CÔ 181 và MS 251 C-BE chainsaws have different saw chain pitches. STIHL MS 181 chainsaw uses a 3/8″ Picco Micro 3 (PM3) chain with 1.1 mm drive links and 0.325 máy đo inch.

Gauge refers to the distance between each drive link, so 0.325 inch gauge indicates that there are 0.325 inches between each of the drive link’s grooves on the guide bar. This type of saw chain was designed to work with narrow-kerf bars, which minimize wood loss when making cuts due to their narrow groove widths (the kerf).

STIHL MS 181 so với MS 251 C-BE|cái nào tốt hơn

The most obvious difference is the price—the MS 251 C-BE is about $90 more expensive than the MS 181. One reason for this is that the MS 181 does not have an automatic oiler, trong khi MS 251 C-BE làm.

Một điểm khác biệt nữa là MS 251 C-BE has a combi tool that can be used to remove or install spark plugs without any additional tools, whereas with an MS 181 you must use a screwdriver to adjust your spark plug gap. The final major difference between these two chainsaws is the type of starter they have: while both of them have “stopping” devices to prevent backfires when starting up cold (which requires holding down on certain parts), only one has decompression valves built into its starter system—the MS 251 C-BE.

MS 181 C-BE nhẹ, easy-to-use chain saw that is the perfect choice for homeowners looking to reduce their carbon footprint. MS 251 C-BE is an ideal mid-range saw for use around the home or on the farm or ranch. Both chainsaws have features that make them both powerful and comfortable to use.

The most notable difference is that the MS 181 C-BE has a smaller engine displacement than the MS 251 C-BE. This means it will be lighter and easier to maneuver, but also that it won’t pack quite as much punch as its larger sibling. Một điểm khác biệt nữa là MS 181 C-BE does not include our STIHL Quickstop® Chain Brake feature, which stops the chain when activated by kickback.

Kết thúc

Both are relatively small, lightweight chainsaws with a 16″ bar and chain, both have the same 2.5 động cơ mã lực, and both are designed for medium-duty work around the home. Tuy nhiên, there are several differences between the two that set them apart from each other in terms of performance, dễ sử dụng, and cost.