Blade housing diagram
Part #2X54
The manufacturer no longer makes this part, and there's no substitute part
Part #20613
Replaced by #420613MA
Part #1X45
Replaced by #703822
Drive assembly diagram
Part #1X20
Replaced by #1X20MA
Part #10851Z
Replaced by #10851ZMA
Blade housing diagram
Part #20619
Replaced by #20619MA
Part #20062
Replaced by #20062MA
Part #17X53
Replaced by #703590
Blade housing diagram
Part #20551
Replaced by #492574MA
Drive assembly diagram
Part #30X49
Replaced by #30X49MA