SMTA has the first torque amplifier made by IH and an independent PTO (live), also the first by IH. Wheelbase slightly longer due to the TA, may have other minor changes, engine was the same. It will accept fast hitch, but it was not installed while the SMTA was in production.
 
The ta and live pto would have EQUAL value in importance and live hyd.pump would be a close second. Long overdue and much needed improvemrnts. Armand
 
Mine was a loader tractor so the live pto was more important to me. Guess it depends on what they are used for. Engine driven pump is too slow for me.
 
I am trying to figure out what I have so I can buy the right parts as I work on this tractor. I have the camshaft gear driven hydraulic pump. My PTO only works when clutch is disengaged. Does this means I have a stage 2 Super M? How can I tell if mine is a TA? Will the serial/model number tell me?
 
I agree with that also, although the dead PTO on my SH, etc is a real pain when I stop my bush hog and have to wait for the blades to stop before I can shift gears. I got by without live hyd on an H for years in the 50's because I had never driven a tractor with live hyd.
 
Post the serial number -- if you are going to order parts it will help you and whoever you order from if you purchase a parts book. That is particularly true with CaseIH. All you have to do is call them and give the part number, they do not need to know what it fits -- it is in their computer and they can tell you in a couple of minutes whether it is in stock or has to be ordered.
 
Well, if you have a long handle on the left side with a squeeze grip that only moves front to back you probably have a TA. If you have a similar handle to the right of the seat you probably have IPTO (but it doesn't sound like it). The hood could say anything and mean nothing. Serial number would help if the tag is there, readable, and hasn't been swapped out. Casting dates would help if you want to jot some down and post them here. If you post a couple of really good pictures of the tractor I could tell you if it is a SMTA. Been driving one for 12 years almost daily in the summer...think I could tell. :)
 
As I understand it either PTO was aviable on the SMTA. and the TA option could deleted. Some of this information would hav been in the SN# code. Armand
 
Where the center housing bolts to the transmission. If you can only see 2 mounting bolts on the outside of the housing. One near the top on each side. Its not a T/A tractor chassis. If it has 3 bolts mounting the starter on. Its a stage 2 SM or t/a tractor if the center housing has more than 2 mounting bolts visuable. Unless its a diesel, then it could be a stage one SM or a MD that someone put a hydraulic pump on. 2 bolts mounting the starter, = a stage one SM or a M someone mounted a hydraulic pump to.
 

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