Part #9424215
Replaced by #703251
Main frame diagram
Part #8728
Replaced by #783000MA
Differential diagram
Part #778068
Replaced by #778131
Differential diagram
Part #774344
Replaced by #774659
Mower diagram
Part #39521
Replaced by #31X9MA
Mower diagram
Part #39573
Replaced by #1X20MA
Mower diagram
Part #40401
The manufacturer no longer makes this part, and there's no substitute part
Axle and drive assemblies diagram
Part #39979
Replaced by #39979MA
Differential diagram
Part #778067
Replaced by #778132
Part #845
Replaced by #17X168ZMA