Motion drive diagram
Part #STD581075
Replaced by #812000029
Motion drive diagram
Part #90589
Replaced by #532122075
Motion drive diagram
Part #37X65
Replaced by #37X65MA
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Mower housing diagram
Part #37X57
Replaced by #37X57MA
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Part #STD541431
The manufacturer no longer makes this part, and there's no substitute part
Electrical system diagram
Part #91275
Replaced by #691959
Motion drive diagram
Part #56562
Replaced by #56562MA
Mower housing diagram
Part #91178
Replaced by #420613MA
Mower housing diagram
Part #91951
Replaced by #774090MA
Mower housing diagram
Part #91921
Replaced by #491921MA