Stihl 018 chain size

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

The chain for your Stihl 018

Which bar is on your saw?

Which chain is on it now?

Which chain is on it now?

Which chain is on it now?

12" bar

Pitch
3/8" LP
Gauge
.043"
Drive links
44
  • Oregon R44
  • Same as Stihl 61PMM3
  • File 4.5 mm

12" bar

Pitch
3/8" LP
Gauge
.050"
Drive links
44
  • Oregon S44
  • Same as Stihl 63PM3, Husqvarna H36
  • File 5/32"

14" bar

Pitch
3/8" LP
Gauge
.043"
Drive links
50
  • Oregon R50
  • Same as Stihl 61PMM3
  • File 4.5 mm

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
.043"
Drive links
55
  • Oregon R55
  • Same as Stihl 61PMM3
  • File 4.5 mm

16" bar

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

Bar mount A074

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 Stihl 018
Chain for each bar length
BarPitchGaugeDrive linksChain
12"3/8" LP.043"44R44
12"3/8" LP.050"44S44
14"3/8" LP.043"50R50
14"3/8" LP.050"50S50
16"3/8" LP.043"55R55
16"3/8" LP.050"55S55

The Stihl 018 chain depends on the bar. 12" bar: 3/8" LP, .043", 44 drive links; 12" bar: 3/8" LP, .050", 44 drive links; 14" bar: 3/8" LP, .043", 50 drive links; 14" bar: 3/8" LP, .050", 50 drive links; 16" bar: 3/8" LP, .043", 55 drive links; 16" bar: 3/8" LP, .050", 55 drive links.

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 Stihl 018 take?

The Stihl 018 chain depends on the bar. 12" bar: 3/8" LP, .043", 44 drive links; 12" bar: 3/8" LP, .050", 44 drive links; 14" bar: 3/8" LP, .043", 50 drive links; 14" bar: 3/8" LP, .050", 50 drive links; 16" bar: 3/8" LP, .043", 55 drive links; 16" bar: 3/8" LP, .050", 55 drive links.

How many drive links is a Stihl 018 chain?

It depends on the bar: 44 on a 12" bar, 44 on a 12" bar, 50 on a 14" bar, 50 on a 14" bar, 55 on a 16" bar, 55 on a 16" bar. The bar length is usually printed near the mount.

What bar fits a Stihl 018?

A bar with the A074 mount, in one of these lengths: 12", 14", 16".

Other saws with the same chain

All saws that take R44 All saws that take S44 All saws that take R50

Related Stihl saws

Every Stihl model