Engine diagram
Part #90840
Replaced by #845125
Drive assembly diagram
Part #STD581075
Replaced by #812000029
Engine diagram
Part #23711
Replaced by #092317MA
Drive assembly diagram
Part #90589
Replaced by #532122075
Wiring diagram diagram
Part #24273
Replaced by #5021451SM
Mower deck diagram
Part #28X23
Replaced by #703948
Part #17X102Z
Replaced by #703128
Mower deck diagram
Part #18X33
Replaced by #18X33MA
Mower deck diagram
Part #STD541410
The manufacturer no longer makes this part, and there's no substitute part
Steering and front axle diagram
Part #90041
Replaced by #90041E701MA