MTA??

Working on an M with a TA and the only thing that I see on the serial tag is 67605 S, so is this an MTA or SMTA, has the live hyd pump and the large valve assembly under the fuel tank but has a lift/control rod instead of levers. Battery under the seat. Not that familiar with M's only have a 42 H. Also the TA lever and linkage is gone to make room for an aftermarket 3pt, how hard is this to find and can a guy try out the TA with out the linkage? thanks chris

Unless it is a composite tractor it is a SMTA. There were SMTAs with no TA (TA delete) that were sold. If it had linkage at one point, it was a SMTA. The TA cannot be tested without at least the TA release shaft and a bit of enginuity. The TA release shaft is rearward of the main clutch release shaft. it has an arm going upwards and an arm going downwards that is a little longer. If this is intact, the following test should work.
put the tractor in 3rd gear, not running. Put a 4"X4" wood block under one rear tire so that the tractor tire is off center to the rear. This will cause the tractor to want to roll rearward. Put a second 4X4 about 6 inches away from the rear of the blocked tire to prevent the tractor from going too far if it rolls. If the TA one way clutch is good the tractor will not roll rearward in gear. If it does not roll, test the TA drive clutch by rotating the above mentioned lever counterclockwise (a piece of pipe will assist doing this as it is not easy to move). Be careful!! The TA lever will only need to move a small amount to release the clutch. As it releases the tractor will roll rearward. Do not move the lever more than a few degrees of rotation, it does not move far. If the tractor moves, it is reasonable to find linkage and adjust it To the book adjustments. Do not drive the tractor to make it work with the system disconnected and doing the above. Safety must rule. This test procedure does not provide certainty of operation, only enough info to put it together correctly to see if it works under load. Jim

That's a SMTA serial number and the S indicates it came with a t/a and equipped for a independent PTO. Original ones only used a rod or rods for hydraulic control.
Search the internet for Farmall Super MTA pictures and you can probably find pictures of the T/A operating handle and linkage and also hydraulic.

No such thing as an "MTA." All M's with TA were built as Supers, except maybe for the prototypes, which presumably no longer exist.

Thanks guys for the info, will try the wheel and blocks when I get things back together. chris