Google up the AGCO Parts site ( sign in as a guest ) and look up your tractor. Book # 651045, page 56 has all the information you asked for. They list a complete car repair kit # 830942M91 for the TSX 644 or individual part #'s. The Main nozzle #37, pt# 1754659, does NOT come in the kit per the book, please check the numbers I have given you before ordering. As to whether it originally came with the economizer jet ?? If you post the question down in the Massey Ferguson Section you may get a definitive answer.
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Today's Featured Article - The Revival of a John Deere Combine - by The Red, John Fritz. For several years I had been driving by a farm house on the west side of Indianapolis that had a John Deere combine parked in high weeds in a lot behind the house. The gentleman no longer farmed because the entire area was developed with housing and light industry. I had stopped several times and knocked on the door but no one would answer. My curiosity was up and I wanted to contact the owner. I wanted to see what he planned to do with the combine.
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For sale Farmall super A tractor is complete and has just been setting for awhile,it was running when pulled out of the barn,shouldn’t take to much to get it going asking 1100.00
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