1073
Spur Sprocket
Power Mate® System
Small 7 (SM7)
Standard 7 (SD7)
Crankshaft Diameter
Drive Teeth
Rim
OEM
Chainsaw Model
Pitch
HUSQVARNA 445 445E 450 450E 450 Rancher
.325"
7
108308XF 108215XSF
11892C
578-0979-01 503-9800-02
0.500"
455 455 Rancher 460 460 Rancher
.325"
7
513471X
513472X
11892C
537-2917-02
0.500"
3/8"
7
513470XSF
18720C
480
3/8"
7 8 7
32058
68210C 22273C 11892C
501-2559-01 501-6747-01 575-2610-03
0.500"
545 550XP 550XPG
.325"
555 560
.325"
7 7 7 7 7 7 7 7 8 7 7
11892C 18720C 11892C 18720C 11892C 18720C 68210C 68210C 22273C 68210C 22270C
575-2610-03 575-2610-04 575-2610-03 575-2610-04 575-2610-03 575-2610-04 503-9326-01 503-9324-71 502-4404-02 502-4404-03 503-6259-03 501-2930-01 501-5978-01
3/8"
562XP
.325"
3/8"
562XPG
.325"
3/8" 3/8"
570 575XP
106593X
0.472"
576XP 576XPG 576XPW
3/8"
105772X
1100 2100 2101
3/8"
28094X 22132X
0.563"
.404"
3120XP Jungle 3120
.404"
7
22270C
0.563"
L-65
3/8"
7 8
32058
68210C 22273C
501-2559-01 501-6747-01
0.500"
JOHN DEERE 25EV
3/8" (91) 3/8" (91)
6 6
27999 28000
0.315" 0.315"
28 30 35 35EV 40V
45
.325"
7 7 7
513442
11892C 18720C 18720C
0.394"
3/8" 3/8"
50V 55EV 55V 65EV 7600 CS46 CS52 CS56 CS62 CS71 CS81
32794X
0.394"
3/8" 3/8"
7 7 7 7 7 7
68210C 18720C 11892C 11892C 68210C 68210C
0.394" 0.394" 0.472"
32794X
.325"
.325"
100758X
0.500"
3/8" 3/8"
100757
0.551"
Green Machine JONSERED 36
3/8"
7
32794X
18720C
0.394"
3/8" (91)
6 8
28001
100551
0.394"
45 49 50 51 52
.325"
11892C
504 52 30-00
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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