1071
Spur Sprocket
Power Mate® System
Small 7 (SM7)
Standard 7 (SD7)
Crankshaft Diameter
Drive Teeth
Rim
OEM
Chainsaw Model
Pitch
HUSQVARNA 136 137
1/4"
9 6 7 7 9 6 7 7 8 7 7 7 7 7 7 7 9 6 7 7 7 9 6 7 7 7 7 7 7 7 8 7
543767
0.394"
3/8" (91)
41569X
.325" .325"
106656X
41726XSF
11892C 11892C 543767 11892C 11892C 11891C 18720C 68210C 68210C 68210C 68210C 68210C 22270C
140 141 142
501-4573-01
0.438" 0.394"
1/4"
3/8" (91)
513446 513445
.325" .325"
154
29175XSF
505-3036-52
0.500"
3/8"
34425X
160 162 163 180 181 185
3/8" 3/8" 3/8"
32058
501-2559-01 501-8316-01 501-2559-01 503-6259-03 501-2930-01 501-5978-01 501-6366-02
0.500" 0.500" 0.500"
102469
32058
3/8"
28094X 22132X
0.563"
.404"
234
.325"
11892C 543767
0.438" 0.394"
235E 236
1/4"
3/8" (91)
41569X
.325" .325" .325"
106656X
41726XSF
11892C 11892C 11892C
238
501-6366-02 501-4573-01
0.438" 0.438"
240S 240SE 240SG
240E
1/4"
543767
0.394"
3/8" (91)
41569X
.325" .325" .325" .325" .325"
106656X
41726XSF
11892C 11892C 11892C 11892C 11892C 18720C 68210C 11892C 11891C 18720C 68210C 11892C 18720C 68210C 68210C 22273C 11892C 18720C 68210C 11892C 11891C 18720C 68210C 68210C 22273C 68210C 68210C 68210C
242 (after S/N 3441001) 242 (before S/N 3441001)
40068
0.438" 0.438" 0.438" 0.500"
501-6366-02
246
40068
254 (after S/N 345-0001)
100758X
503-7261-01
3/8"
100757
503-7009-01 505-3036-52
254 (before S/N 345-1001)
.325"
29175XSF
0.500"
3/8"
34425X
257 (after S/N 314-0001)
.325"
7 7
100758X
503-7261-01
0.500"
3/8"
100757
503-7009-01 501-2559-01 501-6747-01 503-7261-01
260
3/8"
7 8 7 7 7 8 7 7 8 7 7 7
32058
0.500"
262XP (after S/N 345-0001)
.325"
100758X
0.500"
3/8"
100757
503-7009-01
262XP (before S/N 345-1001)
.325"
29175XSF
0.500"
3/8"
34425X
263
3/8"
32058
501-2559-01 501-6747-01 503-7014-01 501-8316-01 503-7014-01
0.500"
266 (after S/N 0510000) 266 (before S/N 0510000) 268 (after S/N 0510000)
3/8" 3/8" 3/8"
26831XSF
0.500" 0.500" 0.500"
102469
26831XSF
Part numbers listed in red are obsolete. Contact your authorized Oregon distributor for availability.
2025
TechnicalServices@OregonProducts.com 1.800.223.5168
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