Drive system diagram
Part #STD581075
Replaced by #812000029
Part #STD533107
The manufacturer no longer makes this part, and there's no substitute part
Wiring diagram diagram
Part #91275
Replaced by #691959
Mower housing diagram
Part #91178
Replaced by #420613MA
Part #STD541431
The manufacturer no longer makes this part, and there's no substitute part
Steering system diagram
Part #56236E700
Replaced by #56236E701MA
Wiring diagram diagram
Part #24273
Replaced by #5021451SM
Wiring diagram diagram
Part #91031
Replaced by #91031SEMA
Mower housing suspension diagram
Part #55449
Replaced by #1753233YP
Drive system diagram
Part #17X37Z
Replaced by #STD551025