Drive system diagram
Part #STD581075
Replaced by #812000029
Pictorial wiring diagram diagram
Part #21064
Replaced by #532365402
Drive system diagram
Part #90589
Replaced by #532122075
Blade housing-bottom half diagram
Part #37X57
Replaced by #37X57MA
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Body and chassis diagram
Part #91174
Replaced by #791850
Part #STD533107
The manufacturer no longer makes this part, and there's no substitute part
Pictorial wiring diagram diagram
Part #91275
Replaced by #691959
Body and chassis diagram
Part #55988
Replaced by #092317MA
Blade housing-bottom half diagram
Part #55962
Replaced by #455962MA
Part #91178
Replaced by #420613MA