RedMax GZ4500 chain size

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

The chain for your RedMax GZ4500

Which bar is on your saw?

16" bar

Pitch
.325"
Gauge
.050"
Drive links
66
  • Oregon M66
  • Same as Husqvarna H30
  • File 3/16"

18" bar

Pitch
.325"
Gauge
.050"
Drive links
72
  • Oregon M72
  • Same as Husqvarna H30
  • File 3/16"

Bar mount K041

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

All bar lengths for the RedMax GZ4500
Chain for each bar length
BarPitchGaugeDrive linksChain
16".325".050"66M66
18".325".050"72M72

The RedMax GZ4500 takes .325" pitch, .050" gauge chain. Drive links by bar length: 16" bar 66, 18" bar 72.

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 RedMax GZ4500 take?

The RedMax GZ4500 takes .325" pitch, .050" gauge chain. Drive links by bar length: 16" bar 66, 18" bar 72.

How many drive links is a RedMax GZ4500 chain?

It depends on the bar: 66 on a 16" bar, 72 on a 18" bar. The bar length is usually printed near the mount.

What bar fits a RedMax GZ4500?

A bar with the K041 mount, in one of these lengths: 16", 18".

Other saws with the same chain

All saws that take M66 All saws that take M72

Related RedMax saws

Every RedMax model