Drive system diagram
Part #STD581075
Replaced by #812000029
Pictorial wiring diagram diagram
Part #21064
Replaced by #532365402
Pictorial wiring diagram diagram
Part #56033
The manufacturer no longer makes this part, and there's no substitute part
Drive system diagram
Part #90589
Replaced by #532122075
Mower housing bottom half diagram
Part #37X57
Replaced by #37X57MA
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Body and chassis diagram
Part #91174
Replaced by #791850
Pictorial wiring diagram diagram
Part #91275
Replaced by #691959
Body and chassis diagram
Part #55988
Replaced by #092317MA
Part #STD533107
The manufacturer no longer makes this part, and there's no substitute part
Mower housing bottom half diagram
Part #55962
Replaced by #455962MA