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Replacing Briggs 253707 with 21B907-0029

hobbyfarmer's Avatar

Join Date: Sep 2009
Posts: 10

04-17-10, 03:18 AM   #1  
Replacing Briggs 253707 with 21B907-0029

I need to replace the engine on a JD 111. I've been going back and forth on a used engine (1998 model) I found because its 1/2 the price of new. Do the new engines have the same bolt pattern as the old engines. Are there any other compatibility issues I need to be concerned with? Old engine: Briggs 11hp (253707) New engine 13.5hp (1B907-0029)

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BFHFixit's Avatar
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Join Date: Jun 2007
Posts: 1,762

04-17-10, 07:53 AM   #2  
As long as the crank/output shaft is the same diameter to accept your pulley's, you should be golden.

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