Echo CS-7310p chain size

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

The chain for your Echo CS-7310p

Which bar is on your saw?

20" bar

Pitch
3/8"
Gauge
.050"
Drive links
72
  • Oregon E72
  • Same as Stihl 33RS3
  • File 7/32"

24" bar

Pitch
3/8"
Gauge
.050"
Drive links
84
  • Oregon E84
  • Same as Stihl 33RS3
  • File 7/32"

Bar mount D009

Buy this chain

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Oregon E72, 72 drive links

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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-7310p
Chain for each bar length
BarPitchGaugeDrive linksChain
20"3/8".050"72E72
24"3/8".050"84E84

The Echo CS-7310p takes 3/8" pitch, .050" gauge chain. Drive links by bar length: 20" bar 72, 24" bar 84.

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
20"72LPX72CQ20H0PS3872C, 20H8PS3872C3/8" / .050"72
20"73LPX72CQ20H0PS3872C, 20H8PS3872C3/8" / .058"72
24"72LPX84CQ24H0PS3884C, 24H8PS3884C3/8" / .050"84
24"73LPX84CQ24H0PS3884C, 24H8PS3884C3/8" / .058"84
28"72LPX93CQ28H0PS3893C, 28H8PS3892C3/8" / .050"93
28"73LPX92CQ28H0PS3893C, 28H8PS3892C3/8" / .058"92
32"72LPX105CQ32H0PS3805C, 32H8PS3805C3/8" / .050"105
32"73LPX105CQ32H0PS3805C, 32H8PS3805C3/8" / .058"105

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-7310p take?

The Echo CS-7310p takes 3/8" pitch, .050" gauge chain. Drive links by bar length: 20" bar 72, 24" bar 84.

How many drive links is an Echo CS-7310p chain?

It depends on the bar: 72 on a 20" bar, 84 on a 24" bar. The bar length is usually printed near the mount.

What bar fits an Echo CS-7310p?

A bar with the D009 mount, in one of these lengths: 20", 24".

Other saws with the same chain

All saws that take E72 All saws that take E84

Related Echo saws

Every Echo model