Saw Chain Identification
Saw Chain Drive Link Number Identification Nearly all Oregon® saw chains are named by a part number made up of a number (see below), followed by one, two or three letters (see next page) Part number Examples: 72LPX, 91PX The Numbers: 72 LPX, 91 PX The numbers are stamped on the saw chain’s drive links and indicate the physical size of the saw chain (pitch and gauge)
72 72 72 Chain Number
Gauge
Pitch
in
mm
25
1/4"
050"
1 3
325" Low Profile ™ 3/8" Low Profile ™ 3/8" Low Profile ™
80
043"
1 1
90
043"
1 1
91
050"
1 3
325"
050"
1 3
20
325"
050"
1 3
95
21
325"
058"
1 5
22
325"
063"
1 6
72
3/8"
050"
1 3
73
3/8"
058"
1 5
75
3/8"
063"
1 6
26, 58
404" 404"
058" 063"
1 5 1 6
27, 59, 68
48
Safety & Maintenance Manual
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