Echo CS-271T chain size

Chainsaw drawing: the bar and chain are the parts this page is about

The chain for your Echo CS-271T

Which bar is on your saw?

Which chain is on it now?

Which chain is on it now?

10" bar

Pitch
3/8" LP
Gauge
.043"
Drive links
40
  • Oregon R40
  • Same as Stihl 61PMM3
  • File 4.5 mm

10" bar

Pitch
3/8" LP
Gauge
.050"
Drive links
40
  • Oregon S40
  • Same as Stihl 63PM3, Husqvarna H36
  • File 5/32"

12" bar

Pitch
3/8" LP
Gauge
.043"
Drive links
45
  • Oregon R45
  • Same as Stihl 61PMM3
  • File 4.5 mm

12" bar

Pitch
3/8" LP
Gauge
.050"
Drive links
45
  • Oregon S45
  • Same as Stihl 63PM3, Husqvarna H36
  • File 5/32"

Bar mount A041

Buy this chain

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Check pitch, gauge and drive links on the listing before you order. How this works

All bar lengths for the Echo CS-271T
Chain for each bar length
BarPitchGaugeDrive linksChain
10"3/8" LP.043"40R40
10"3/8" LP.050"40S40
12"3/8" LP.043"45R45
12"3/8" LP.050"45S45

The Echo CS-271T chain depends on the bar. 10" bar: 3/8" LP, .043", 40 drive links; 10" bar: 3/8" LP, .050", 40 drive links; 12" bar: 3/8" LP, .043", 45 drive links; 12" bar: 3/8" LP, .050", 45 drive links.

Echo genuine part numbers

If you prefer the maker's own parts, these are the numbers to ask for at a dealer.

Echo bar and chain part numbers
BarChain part no.Bar part no.Pitch / gaugeDrive links
12"90PX45CQ, 90SG45CQ12A0CD3745, 12A0CD3745C, 12A4CD3745, 12A4CD3745C3/8" LP / .043"45
12"91PX45CQ12A0CD3745, 12A0CD3745C, 12A4CD3745, 12A4CD3745C3/8" LP / .050"45

Check the chain on your saw

Drawing: pitch is the distance between three rivets divided by two
Pitch Measure across three rivets and divide by two. Common pitches are 1/4", .325", 3/8" and .404".
Drawing: gauge is the thickness of the drive link in the bar groove
Gauge The thickness of the drive link that rides in the bar groove: .043", .050", .058" or .063".
Drawing: count the drive links, the tabs under the chain
Drive links Lay the chain flat and count the tabs underneath. Mark one with a paint pen so you know where you started.
Find pitch and gauge from the number on a drive link
Type the number on a drive link
See all stamp numbers
Drive link stamp number to pitch and gauge
StampPitchGauge
113/4".122"
16.404".063"
18.404".080"
20.325".050"
21.325".058"
22.325".063"
251/4".050"
26.404".058"
27.404".063"
33.325".050"
34.325".058"
35.325".063"
50.404".050"
51.404".058"
52.404".063"
58.404".058"
59.404".063"
68.404".063"
723/8".050"
733/8".058"
753/8".063"
80.325" LP.043"
903/8" LP.043"
913/8" LP.050"
95.325".050"

Questions people ask

What size chain does an Echo CS-271T take?

The Echo CS-271T chain depends on the bar. 10" bar: 3/8" LP, .043", 40 drive links; 10" bar: 3/8" LP, .050", 40 drive links; 12" bar: 3/8" LP, .043", 45 drive links; 12" bar: 3/8" LP, .050", 45 drive links.

How many drive links is an Echo CS-271T chain?

It depends on the bar: 40 on a 10" bar, 40 on a 10" bar, 45 on a 12" bar, 45 on a 12" bar. The bar length is usually printed near the mount.

What bar fits an Echo CS-271T?

A bar with the A041 mount, in one of these lengths: 10", 12".

Other saws with the same chain

All saws that take R40 All saws that take S40 All saws that take R45

Related Echo saws

Every Echo model