Drive system diagram
Part #STD581075
Replaced by #812000029
Mower housing - bottom half 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
Pictorial wiring diagram diagram
Part #91275
Replaced by #691959
Part #91178
Replaced by #420613MA
Part #STD533107
The manufacturer no longer makes this part, and there's no substitute part
Mower housing - bottom half diagram
Part #91921
Replaced by #491921MA
Mower housing - bottom half diagram
Part #91951
Replaced by #774090MA
Mower housing - bottom half diagram
Part #15X100
Replaced by #15X100MA
Mower housing - bottom half diagram
Part #17X165
Replaced by #17X165MA