Posted by Todd Somers on Sunday, January 18, 2004 at 8:08PM :
In Reply to: PTO u-joint # found posted by Steve Pellock on Sunday, January 18, 2004 at 11:48AM :
The early PTO shafts were round. They were made by Blood Brothers Company.
The shafts on later model WM300's were hexagon shaped. Don't know the year the change was made. A guess would be 1961, when the engine changed to 251 cu in.
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