Wiring diagram diagram
Part #21064
Replaced by #532365402
Wiring diagram diagram
Part #91275
Replaced by #691959
Suspension system diagram
Part #31X6
Replaced by #703300
Part #STD533107
The manufacturer no longer makes this part, and there's no substitute part
Front drive half diagram
Part #91178
Replaced by #420613MA
Front drive half diagram
Part #21544
Replaced by #1727261SM
Rear drive half diagram
Part #17X102Z
Replaced by #703128
Wiring diagram diagram
Part #91031SE
Replaced by #91031SEMA
Chassis & hood diagram
Part #20107
Replaced by #20107MA
Mower housing diagram
Part #37X40
Replaced by #37X40MA