Main frame diagram
Part #8728
Replaced by #783000MA
Mower diagram
Part #39521
Replaced by #31X9MA
Differential diagram
Part #774344
Replaced by #774659
Mower diagram
Part #39311
Replaced by #782965MA
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Differential diagram
Part #778068
Replaced by #778131
Axle and drive assemblies diagram
Part #642
Replaced by #17X192MA
Mower diagram
Part #40401
The manufacturer no longer makes this part, and there's no substitute part
Part #845
Replaced by #17X168ZMA
Mower diagram
Part #39573
Replaced by #1X20MA
Axle and drive assemblies diagram
Part #39979
Replaced by #39979MA