The Husqvarna 345 chainsaw is a powerful tool. It helps you cut wood easily. But choosing the right chain is important. The right size chain ensures your chainsaw works well. It also keeps you safe while using it.

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Why Chain Size Matters
Chain size affects how well your chainsaw cuts. A wrong size can damage your saw. It can also be dangerous for you. So, always use the correct chain size.
Understanding Chain Sizes
Chains have different sizes. These sizes include pitch, gauge, and length. Let’s understand what each means.
Pitch
Pitch is the distance between chain links. It is measured in inches. Common pitches are 3/8 inch and .325 inch.
Gauge
Gauge is the thickness of the drive link. It fits into the guide bar. Common gauges are .050 inch and .058 inch.
Length
Length is the number of drive links. It is not the same as bar length. Bar length is the cutting length of the chainsaw.
Suitable Chain Sizes for Husqvarna 345 Chainsaw
The Husqvarna 345 uses specific chain sizes. These sizes ensure the chainsaw runs smoothly. Here are the suitable sizes:
Bar Length | Pitch | Gauge | Number of Drive Links |
---|---|---|---|
16 inches | .325 inch | .050 inch | 66 |
18 inches | .325 inch | .050 inch | 72 |
20 inches | .325 inch | .050 inch | 78 |
How to Measure Your Chain
Sometimes, you need to measure your chain. This helps you find the right size. Here is how you can measure it:
Step 1: Measure The Pitch
Measure the distance between three rivets. Divide by two. This gives you the pitch.
Step 2: Measure The Gauge
Use a caliper to measure the drive link thickness. This gives you the gauge.
Step 3: Count The Drive Links
Count the number of drive links in the chain. This gives you the chain length.
Tips for Choosing the Right Chain
Choosing the right chain is important. Here are some tips:
- Always check the user manual.
- Buy chains from trusted brands.
- Check the packaging for size details.
- Consult with a professional if unsure.

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