This is A NEW Quill Gear for the Torque Amplifier for IH Farmall tractors 706- 1486 as well as 3088,3288,3688,3388,3588,6388 and 6588 tractors . I have the quill for the 15 series and 37,6788 tractors listed separately. This comes with new inner needle bearings. I also have all the other parts you may need to complete a TA job. I also expect to receive Email correspondence to help with proper installation.Check out my store for other IH parts. I have over 25 yrs. experience of rebuilding IH tractors and motors and have many parts available . Email your questions and I can probably help you.