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Anyone chip a 9000 series 4wd? Looking at chipping our 9300, chip will add about 20% so will be about 425 hp total. Since the motor is the same in the 93 and 9400 i think it would be able to handle it. Any inputs are appreciated. thanks
 

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check if they have the same tranny and differentials.

cooling system might be different too, if there all the same, tune her up
 

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I think the 9300 and 9400 drive trains are the same. BUT JD derates the 9400 different than a 9300 to protect the drive train. If I remember the 9400 doesn't reach full hp until 5th gear and up, not sure though. Chassis and engines are the same.
You should check with a JD dealer, they may run external lube circuit to rear axle like Case does on larger units.
 
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