Well, that depends. The 3788 did not come with dual pto so some one may have taken care of any internal shaft size changes couplings already . One other thing, there are two different dual pto units, early ones have adjustable pressure engagement valve stem that is pulled up for engage with spring loaded brakes when shut off so shaft will not turn with or without engine running. Later one has hydraulic locked engage with valve spool pushed down in to unit, hydraulic shaft brake that is applied when engine is running and pto shut off but shaft is free to turn when engine is not running. Either unit will fit and work but they have opposite operating lever linkage so you need correct linkage for your unit and correct size and length of internal shaft and couplings. .
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Today's Featured Article - Pitfalls of Tractor Engine Rebuilds - by Chris Pratt. The first pop after you have put the machine together with your own hands is exciting and pleasing. The whole experience can be marred if one moves too fast and makes too many assumptions that they can just use "as is" some parts they should be closely scrutinizing and possibly attended to. In such cases, rework makes what could have been a fun project turn into an irritant or even a nightmare. Minor Irritants To give you an example of an minor but irritating proble
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