McCulloch PRO MAC 650 chain size

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

The chain for your McCulloch PRO MAC 650

Which bar is on your saw?

16" bar

Pitch
3/8"
Gauge
.050"
Drive links
60
  • Oregon D60
  • Same as Stihl 33RS3, Husqvarna H80
  • File 7/32"

18" bar

Pitch
3/8"
Gauge
.050"
Drive links
66
  • Oregon D66
  • Same as Stihl 33RS3, Husqvarna H80
  • File 7/32"

20" bar

Pitch
3/8"
Gauge
.050"
Drive links
70
  • Oregon D70
  • Same as Stihl 33RS3, Husqvarna H80
  • File 7/32"

24" bar

Pitch
3/8"
Gauge
.050"
Drive links
81
  • Oregon D81
  • Same as Stihl 33RS3, Husqvarna H80
  • File 7/32"

Bar mount D176

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 McCulloch PRO MAC 650
Chain for each bar length
BarPitchGaugeDrive linksChain
16"3/8".050"60D60
18"3/8".050"66D66
20"3/8".050"70D70
24"3/8".050"81D81

The McCulloch PRO MAC 650 takes 3/8" pitch, .050" gauge chain. Drive links by bar length: 16" bar 60, 18" bar 66, 20" bar 70, 24" bar 81.

McCulloch genuine part numbers

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

McCulloch bar and chain part numbers
BarChain part no.Bar part no.
20"3612436862

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 PRO MAC 650 take?

The McCulloch PRO MAC 650 takes 3/8" pitch, .050" gauge chain. Drive links by bar length: 16" bar 60, 18" bar 66, 20" bar 70, 24" bar 81.

How many drive links is a McCulloch PRO MAC 650 chain?

It depends on the bar: 60 on a 16" bar, 66 on a 18" bar, 70 on a 20" bar, 81 on a 24" bar. The bar length is usually printed near the mount.

What bar fits a McCulloch PRO MAC 650?

A bar with the D176 mount, in one of these lengths: 16", 18", 20", 24".

Other saws with the same chain

All saws that take D60 All saws that take D66 All saws that take D70

Related McCulloch saws

Every McCulloch model