Part #83923
Replaced by #532409149
Gear case assembly no. 88387 diagram
Part #57079
Lift-top grass catcher diagram
Part #87175
Replaced by #582055101
Main frame diagram
Part #84921
Replaced by #532174719
Main frame diagram
Part #84920
Replaced by #532401629
Main frame diagram
Part #85463
Replaced by #539913010
Main frame diagram
Part #88118
Lift-top grass catcher diagram
Part #87170
Main frame diagram
Part #88348
Part #STD511005
The manufacturer no longer makes this part, and there's no substitute part