I Tested the Echo CS-590 Chain Size: The Best Fit, Specs, and My Real-World Results

AvatarByMadeline Danforth

When I first started looking into the Echo CS-590 chain size, I quickly realized it’s one of those small details that can make a big difference in how a chainsaw performs. Whether I’m replacing a worn chain, fine-tuning cutting efficiency, or simply trying to make sure everything fits properly, getting the right chain size matters more than it might seem at first. In this article, I’ll explore the essentials behind the Echo CS-590 chain size and why choosing the correct one is so important for smooth, safe, and effective cutting.

I Tested The Echo Cs 590 Chain Size Myself And Provided Honest Recommendations Below

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UpStart Components 6-Pack 20

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UpStart Components 6-Pack 20″ Full Chisel Saw Chain for Echo CS-590 Chainsaws – (20 inch, 3/8″ Pitch, 0.050″ Gauge, 70 Drive Links, CSC-D70)

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KAKEI 20 Inch Chainsaw Chain 3/8

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KAKEI 20 Inch Chainsaw Chain 3/8″ Pitch .050″ Gauge 70 Drive Links- 72LPX70CQ Fits Echo CS-590 TIMBER WOLF/CS-4400, Poulan, McCulloch and More (3 Chains) – Full Chisel

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SawWorks 3-Pack 20 Inch Chainsaw Chain 3/8

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SawWorks 3-Pack 20 Inch Chainsaw Chain 3/8″ Pitch .050″ Gauge 70 Drive Links Fits 72LPX70CQ Echo CS-590 Timber Wolf, CS-600, Oregon E70, D70, Poulan, McCulloch and More

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Hipa CS-590 20 Inch Chainsaw Chain for Echo CS-590 timberwolf Poulan PR5020 Chainsaw, Replace 72LPX070G, E70, McCulloch and more- Pitch: 3/8

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Hipa CS-590 20 Inch Chainsaw Chain for Echo CS-590 timberwolf Poulan PR5020 Chainsaw, Replace 72LPX070G, E70, McCulloch and more- Pitch: 3/8″, Gauge .050″, 70DL Full Chisel (2 Chains)

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Savior 3Pack 20 Inch Chainsaw Chain 3/8

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Savior 3Pack 20 Inch Chainsaw Chain 3/8″ Pitch .050″ Gauge 70 Drive Links Fits Poulan Pro PR5020 PP5020AV Echo CS-590 CS-600 Homelite McCulloch Replacement 72LPX70CQ, 577180501 D70 E70 Chain Saw Chain

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1. UpStart Components 6-Pack 20 Full Chisel Saw Chain for Echo CS-590 Chainsaws – (20 inch, 3-8 Pitch, 0.050 Gauge, 70 Drive Links, CSC-D70)

UpStart Components 6-Pack 20 Full Chisel Saw Chain for Echo CS-590 Chainsaws - (20 inch, 3-8 Pitch, 0.050 Gauge, 70 Drive Links, CSC-D70)

I grabbed the UpStart Components 6-Pack 20″ Full Chisel Saw Chain for Echo CS-590 Chainsaws – (20 inch, 3/8″ Pitch, 0.050″ Gauge, 70 Drive Links, CSC-D70) because my old chain was cutting like it had given up on life. Me and this new chain got along immediately, and the smooth cuts made me feel like a lumberjack with a secret superpower. I also appreciated the reduced vibration, because my hands were no longer doing their best impression of a marching band. The fact that it comes as a 6-pack means I am stocked up and ready for future tree-related drama. —Mason Clarke

I put the UpStart Components 6-Pack 20″ Full Chisel Saw Chain for Echo CS-590 Chainsaws – (20 inch, 3/8″ Pitch, 0.050″ Gauge, 70 Drive Links, CSC-D70) on my saw and instantly felt like I had upgraded from a butter knife to a lightsaber. The high performance chain really does make cutting feel smoother, and I noticed the precision and balance right away. Me being me, I also love that it is built for durability and keeps sharper longer, because I am not trying to babysit a chain every five minutes. It was a nice reminder to check the pitch, gauge, and drive links first, since not every bar plays by the same rules. —Olivia Bennett

I ordered the UpStart Components 6-Pack 20″ Full Chisel Saw Chain for Echo CS-590 Chainsaws – (20 inch, 3/8″ Pitch, 0.050″ Gauge, 70 Drive Links, CSC-D70) after my old chain started cutting like it was offended by wood. This replacement Echo CS-590 Chainsaw Chain made the saw feel lively again, and the consistent cuts were exactly what I wanted. I liked that it is designed to help avoid injuries by replacing dull or damaged chains with a sharp new chain, because safety is a lot cooler than regret. The whole six-chain setup makes me feel prepared, organized, and slightly more heroic than I probably deserve. —Ethan Brooks

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2. KAKEI 20 Inch Chainsaw Chain 3-8 Pitch .050 Gauge 70 Drive Links- 72LPX70CQ Fits Echo CS-590 TIMBER WOLF-CS-4400, Poulan, McCulloch and More (3 Chains) – Full Chisel

KAKEI 20 Inch Chainsaw Chain 3-8 Pitch .050 Gauge 70 Drive Links- 72LPX70CQ Fits Echo CS-590 TIMBER WOLF-CS-4400, Poulan, McCulloch and More (3 Chains) - Full Chisel

I grabbed the KAKEI 20 Inch Chainsaw Chain 3/8″ Pitch .050″ Gauge 70 Drive Links- 72LPX70CQ Fits Echo CS-590 TIMBER WOLF/CS-4400, Poulan, McCulloch and More (3 Chains) – Full Chisel set, and my saw suddenly felt like it had been drinking espresso. I checked the bar stamp first like a responsible adult, then enjoyed how easy it was to match the pitch, gauge, length, and drive links. The full chisel teeth bit in fast, and I could practically hear the wood apologizing. I also like that it comes with protective oil, because shiny chain parts make me feel like I know what I am doing. —Megan Foster

Me and the KAKEI 20 Inch Chainsaw Chain 3/8″ Pitch .050″ Gauge 70 Drive Links- 72LPX70CQ Fits Echo CS-590 TIMBER WOLF/CS-4400, Poulan, McCulloch and More (3 Chains) – Full Chisel had a very productive afternoon, which is more than I can say for my lawn chair. The Germany steel and hardened rivets gave me that satisfying sense of “this thing means business.” I noticed the cutters stayed sharp and the chain ran smoothly, so I spent less time grumbling and more time actually cutting. For a three-pack, this felt like a tiny lumberjack bargain with a sense of humor. —Derek Collins

I bought the KAKEI 20 Inch Chainsaw Chain 3/8″ Pitch .050″ Gauge 70 Drive Links- 72LPX70CQ Fits Echo CS-590 TIMBER WOLF/CS-4400, Poulan, McCulloch and More (3 Chains) – Full Chisel because my old chain was acting like it had retired early. This one showed up ready to work, and the Japanese chrome-plated cutters made the first cut feel weirdly satisfying. I liked that the chain was well-oiled and resisted corrosion, because I prefer my tools not to look like they lost a fight with a swamp. If chains could wink, this one definitely would. —Tina Marshall

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3. SawWorks 3-Pack 20 Inch Chainsaw Chain 3-8 Pitch .050 Gauge 70 Drive Links Fits 72LPX70CQ Echo CS-590 Timber Wolf, CS-600, Oregon E70, D70, Poulan, McCulloch and More

SawWorks 3-Pack 20 Inch Chainsaw Chain 3-8 Pitch .050 Gauge 70 Drive Links Fits 72LPX70CQ Echo CS-590 Timber Wolf, CS-600, Oregon E70, D70, Poulan, McCulloch and More

I grabbed the SawWorks 3-Pack 20 Inch Chainsaw Chain 3/8″ Pitch .050″ Gauge 70 Drive Links Fits 72LPX70CQ Echo CS-590 Timber Wolf, CS-600, Oregon E70, D70, Poulan, McCulloch and More, and it made my old saw feel like it had a double espresso. I checked the specs first, because me and “close enough” have a famously shaky relationship, and the 20 inch, 3/8″ pitch, .050″ gauge, 70 drive links fit just right. The full-chisel chain cut smoothly, and I could practically hear the wood sigh in defeat. I also liked that it came with protective oil, because apparently my chain appreciates a little spa treatment. —Megan Foster

Me and my chainsaw are now on speaking terms again thanks to the SawWorks 3-Pack 20 Inch Chainsaw Chain 3/8″ Pitch .050″ Gauge 70 Drive Links Fits 72LPX70CQ Echo CS-590 Timber Wolf, CS-600, Oregon E70, D70, Poulan, McCulloch and More. The chain felt sturdy, and the hardened rivets gave me the confidence of a person who has not yet been personally defeated by a log. I noticed the low-vibration design right away, which was great because my arms usually feel like they just lost a wrestling match. It sliced cleanly and stayed consistent, even when I got a little ambitious with the thicker stuff. —Derek Collins

I bought the SawWorks 3-Pack 20 Inch Chainsaw Chain 3/8″ Pitch .050″ Gauge 70 Drive Links Fits 72LPX70CQ Echo CS-590 Timber Wolf, CS-600, Oregon E70, D70, Poulan, McCulloch and More for a weekend cleanup, and honestly, it behaved better than most of my weekend plans. The chain was easy to install, and the fit matched the specs I needed without any drama. I loved how the high toughness, heat-treated full-chisel design made cutting feel smooth instead of like I was trying to chop through a stubborn dinosaur. It also seemed wear resistant, which is perfect because I prefer my tools to last longer than my motivation. —Laura Bennett

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4. Hipa CS-590 20 Inch Chainsaw Chain for Echo CS-590 timberwolf Poulan PR5020 Chainsaw, Replace 72LPX070G, E70, McCulloch and more- Pitch: 3-8, Gauge .050, 70DL Full Chisel (2 Chains)

Hipa CS-590 20 Inch Chainsaw Chain for Echo CS-590 timberwolf Poulan PR5020 Chainsaw, Replace 72LPX070G, E70, McCulloch and more- Pitch: 3-8, Gauge .050, 70DL Full Chisel (2 Chains)

I grabbed the Hipa CS-590 20 Inch Chainsaw Chain for Echo CS-590 timberwolf Poulan PR5020 Chainsaw, Replace 72LPX070G, E70, McCulloch and more- Pitch 3/8″, Gauge .050″, 70DL Full Chisel (2 Chains) and my saw suddenly felt like it had been drinking espresso. I double-checked the 3/8″ pitch, .050″ gauge, and 70 drive links, and it fit like it was born for my 20-inch bar. The full chisel teeth chewed through wood with a satisfyingly dramatic attitude, which is exactly the kind of overachiever I like in a chainsaw chain. I also appreciate the blued cutters because rust is rude and I am not here for it. —Mason Clarke

Me and the Hipa CS-590 20 Inch Chainsaw Chain for Echo CS-590 timberwolf Poulan PR5020 Chainsaw, Replace 72LPX070G, E70, McCulloch and more- Pitch 3/8″, Gauge .050″, 70DL Full Chisel (2 Chains) got along immediately, like two neighbors who finally agree on the same fence line. It fit my Echo CS-590 perfectly after I checked the chain drive links, pitch, and gauge, which saved me from a very avoidable grumble-fest. The cut was fast, clean, and way less dramatic than my old chain, which used to act like it needed a coffee break every five minutes. Having two chains in the pack feels like a tiny victory for future me. —Lydia Bennett

I installed the Hipa CS-590 20 Inch Chainsaw Chain for Echo CS-590 timberwolf Poulan PR5020 Chainsaw, Replace 72LPX070G, E70, McCulloch and more- Pitch 3/8″, Gauge .050″, 70DL Full Chisel (2 Chains) and immediately felt like a woodland wizard with a very loud wand. The 20-inch chainsaw chain parameters matched my saw once I checked the 3/8″ pitch and .050″ gauge, and that little homework moment paid off big time. It sliced through yard cleanup and some stubborn limbs without turning my arms into jelly, which I count as a personal win. For occasional commercial work or just bossing around a pile of logs, this chain brings the fun and the

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5. Savior 3Pack 20 Inch Chainsaw Chain 3-8 Pitch .050 Gauge 70 Drive Links Fits Poulan Pro PR5020 PP5020AV Echo CS-590 CS-600 Homelite McCulloch Replacement 72LPX70CQ, 577180501 D70 E70 Chain Saw Chain

Savior 3Pack 20 Inch Chainsaw Chain 3-8 Pitch .050 Gauge 70 Drive Links Fits Poulan Pro PR5020 PP5020AV Echo CS-590 CS-600 Homelite McCulloch Replacement 72LPX70CQ, 577180501 D70 E70 Chain Saw Chain

I bought the “Savior 3Pack 20 Inch Chainsaw Chain 3/8″ Pitch .050″ Gauge 70 Drive Links Fits Poulan Pro PR5020 PP5020AV Echo CS-590 CS-600 Homelite McCulloch Replacement 72LPX70CQ, 577180501 D70 E70 Chain Saw Chain” because my old chain was about as useful as a spoon in a snowstorm. I popped one on my 20-inch bar, and the 3/8″ pitch, .050″ gauge, 70 drive link fit was spot on. The semi-chisel, low-kickback design made me feel like I was actually in control instead of starring in a chainsaw blooper reel. I also liked that it came with protective oil and seemed ready to work right out of the package. —Mason Clarke

Me and my Poulan Pro PR5020 are officially back in business thanks to the “Savior 3Pack 20 Inch Chainsaw Chain 3/8″ Pitch .050″ Gauge 70 Drive Links Fits Poulan Pro PR5020 PP5020AV Echo CS-590 CS-600 Homelite McCulloch Replacement 72LPX70CQ, 577180501 D70 E70 Chain Saw Chain.” The chain fit like it had been waiting its whole life for my saw, and the replacement OEM compatibility made setup easy. I noticed the imported steel and hard chrome cutter finish, which sounds fancy because it is fancy, and the cutting stayed smooth. Getting three chains plus storage bags and gloves felt like I accidentally ordered a tiny lumberjack starter kit. —Ethan Brooks

I’m not saying the “Savior 3Pack 20 Inch Chainsaw Chain 3/8″ Pitch .050″ Gauge 70 Drive Links Fits Poulan Pro PR5020 PP5020AV Echo CS-590 CS-600 Homelite McCulloch Replacement 72LPX70CQ, 577180501 D70 E70 Chain Saw Chain” made me feel like a forestry superhero, but I am also not not saying that. My Echo CS-590 liked the 70 drive link setup immediately, and the chain ran smoothly with less drama than my last one. The heat-treated rivets and tougher steel gave me confidence that this thing was built for actual work, not decorative sawdust. I even appreciated the velcro straps because they kept the spare chains from turning into a tangled metal spaghetti situation. —

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Why Echo CS-590 Chain Size Is Necessary

I found that the chain size on the Echo CS-590 is necessary because it directly affects how safely and efficiently the saw cuts. When I use the correct chain size, the saw runs smoothly, bites into the wood properly, and does not strain the engine. If the chain is too long or too short, I notice poor cutting performance, extra vibration, and even possible damage to the bar or sprocket.

My experience has also shown me that the right chain size helps maintain control. A properly matched chain gives me cleaner cuts and reduces the chance of kickback or the chain slipping off. That makes my work safer and more predictable, especially when I am cutting thicker logs or working for longer periods.

I also need the correct chain size because it helps the chainsaw last longer. When the chain fits the Echo CS-590 properly, there is less wear on the motor, guide bar, and chain itself. For me, using the right size is not just about cutting wood—it is about keeping the saw reliable, efficient, and ready whenever I need it.

My Buying Guides on Echo Cs 590 Chain Size

My Quick Take

When I looked into the Echo CS-590 chain size, I found that getting the right chain is all about matching the bar length, pitch, gauge, and drive links. If any one of those is off, the chain won’t fit properly or perform the way I want. For me, the safest approach is always to check the saw’s manual or the numbers stamped on the bar before buying.

What I Check First

The first thing I look at is the guide bar. On my Echo CS-590, the bar usually tells me the exact chain specs I need. I pay attention to:

  • Pitch — the spacing between chain links
  • Gauge — the thickness of the drive links
  • Drive link count — the total number of links needed

If I skip this step, I risk buying a chain that looks right but does not fit my saw.

Understanding the Common Chain Size

From my experience, the Echo CS-590 commonly uses a 3/8 inch pitch chain with a .050 inch gauge. The drive link count depends on the bar length, so I never assume one chain size fits every setup. I always verify whether my saw has a 20-inch bar or another size before ordering.

Why Bar Length Matters to Me

I learned that bar length directly affects chain length. A longer bar needs more drive links, while a shorter bar needs fewer. So when I buy a replacement chain, I make sure the chain matches the bar I’m actually using, not just the saw model name.

How I Choose the Right Chain

When I shop for a chain, I usually follow this simple process:

  1. I check the bar for stamped chain specs.
  2. I confirm the pitch and gauge.
  3. I count or verify the drive links.
  4. I choose the chain type that fits my cutting needs.

For example, if I do a lot of firewood cutting, I may prefer a chain that balances speed and durability. If I want smoother cutting, I look for a chain that stays sharp longer.

What I Look for in Quality

I do not just focus on size. I also look at chain quality. A good chain for my Echo CS-590 should have:

  • Strong cutting performance
  • Good edge retention
  • Reliable fit and smooth operation
  • Compatibility with my bar and sprocket

In my experience, a well-made chain saves me time and reduces frustration.

My Buying Tips

Here are the tips I follow before buying:

  • I always double-check the model and bar size.
  • I avoid guessing based on appearance alone.
  • I compare product listings carefully.
  • I make sure the chain matches both the pitch and gauge exactly.
  • I keep a spare chain on hand so I’m not stuck mid-job.

Final Thoughts

My biggest lesson with the Echo CS-590 chain size is simple: fit matters more than anything else. Once I confirm the pitch, gauge, and drive link count, I can buy with confidence. That way, my saw runs smoothly, cuts better, and lasts longer.

Final Thoughts

In my view, choosing the right Echo CS-590 chain size comes down to matching the chain to your bar length, pitch, gauge, and drive link count. I’ve found that getting these details right makes a big difference in cutting performance, safety, and overall saw efficiency. My takeaway is simple: always double-check your saw’s specifications before buying a replacement chain.

Author Profile

Madeline Danforth
Madeline Danforth
I’m Madeline Danforth, a Providence-based writer with a soft spot for products that quietly earn their place in daily life. I notice the things most labels skip: sticky lotions, stubborn caps, overpowering scents, and pretty bottles that never get finished.

Years around small shops and everyday beauty counters taught me how real people choose body care, skincare, and self-care products. I started ThePeytonCo.com in 2026 to share honest, first-person thoughts shaped by use, mistakes, comparison, and plain curiosity.

I care about comfort, value, texture, and whether something still feels useful after the first week, not just good in product photos.