Body and chassis diagram
Part #20103
Replaced by #17000616
Drive system diagram
Part #90589
Replaced by #532122075
Steering system diagram
Part #55746
Replaced by #56236E701MA
Drive system diagram
Part #165X43
Replaced by #165X43MA
Blade housing diagram
Part #28X23
Replaced by #703948
Part #24273
Replaced by #5021451SM
Part #STD551037
The manufacturer no longer makes this part, and there's no substitute part
Drive system diagram
Part #17X115
Replaced by #17X115MA
Body and chassis diagram
Part #26X239
Replaced by #26X239MA
Part #20613
Replaced by #420613MA