Drive system diagram
Part #STD581075
Replaced by #812000029
Mower deck diagram
Part #37X50
Replaced by #37X57MA
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Part #STD533107
The manufacturer no longer makes this part, and there's no substitute part
Part #20613
Replaced by #420613MA
Steering system diagram
Part #15X76Z
The manufacturer no longer makes this part, and there's no substitute part
Part #STD541431
The manufacturer no longer makes this part, and there's no substitute part
Part #24273
Replaced by #5021451SM
Steering system diagram
Part #55386
Replaced by #55700MA
Steering system diagram
Part #55041
Replaced by #56236E701MA
Wiring diagram diagram
Part #24285
Replaced by #7701100MA