McCulloch 300S chain size

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

The chain for your McCulloch 300S

Which bar is on your saw?

10" bar

Pitch
3/8" LP
Gauge
.050"
Drive links
39
  • Oregon S39
  • Same as Stihl 63PM3, Husqvarna H36
  • File 5/32"

12" bar

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

14" bar

Pitch
3/8" LP
Gauge
.050"
Drive links
50
  • Oregon S50
  • Same as Stihl 63PM3, Husqvarna H36
  • File 5/32"

16" bar

Pitch
3/8" LP
Gauge
.050"
Drive links
55
  • Oregon S55
  • Same as Stihl 63PM3, Husqvarna H36
  • File 5/32"

Bar mount A318

Buy this chain

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Oregon S39, 39 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 McCulloch 300S
Chain for each bar length
BarPitchGaugeDrive linksChain
10"3/8" LP.050"39S39
12"3/8" LP.050"45S45
14"3/8" LP.050"50S50
16"3/8" LP.050"55S55

The McCulloch 300S takes 3/8" LP pitch, .050" gauge chain. Drive links by bar length: 10" bar 39, 12" bar 45, 14" bar 50, 16" bar 55.

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 a McCulloch 300S take?

The McCulloch 300S takes 3/8" LP pitch, .050" gauge chain. Drive links by bar length: 10" bar 39, 12" bar 45, 14" bar 50, 16" bar 55.

How many drive links is a McCulloch 300S chain?

It depends on the bar: 39 on a 10" bar, 45 on a 12" bar, 50 on a 14" bar, 55 on a 16" bar. The bar length is usually printed near the mount.

What bar fits a McCulloch 300S?

A bar with the A318 mount, in one of these lengths: 10", 12", 14", 16".

Other saws with the same chain

All saws that take S39 All saws that take S45 All saws that take S50

Related McCulloch saws

Every McCulloch model