I bought an 8A Gearmatic Winch a few years back and have yet to try to mount it to my crawler. I have a ’59 JD crawler. Looks like it should. I Have a gearmatic 8A and the parts book and operating manual. The manual also covers the 8G. I have been able to get parts from a local JD. wanted parts manual or copy,info for winch gearmatic 8a on my jd crawler where i can find parts for restore thanks.
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I honed the bores with a brake cylinder hone and used brake fluid as a lubricant. It can then be as long as you wish. I’ll do some homework. I just picked up a ic with a gearmatic 8A winch. Last edited by Paul Buhler on Thu Sep 27, Still not quite there, but at least the winch doesn’t spool in when the clutch is disengaged as it did randomly in the past this was of major concern- I like my hands and fingers.
The cylinder rebuilt kits for the control are only available for the clutch cylinder and not the brake cylinder. I try to share part numbers when I germatic since it saves time.
Still thinking about the inboard bearing. Found replacement in stainless steel actually cheaper than black iron. No gesrmatic users and 4 guests.
Now I need some advice on how best to remove the inboard shaft bearing without damaging the seal.
It looks like you’re making progress. Don Garrett of Garrett Enumclaw WAhas furnished me with a manual for my winch, and he has some parts. Very helpful individual when it comes to the old winch.
Good luck getting things cleaned up and free. I repacked it with grease, and it seems fine. The previous owner said the controls need bled, and that after sitting for long periods you would have to run winch long time until it would engage?? I want to replace the gearmatjc cross slide on a Logan lathe I have to a t-slot cross slide.
Keeps things a little cleaner.
Good luck and keep us posted. Unless it is free, or you can get it for scrap value, walk away if you can not get the cover off.
Gearmatic 8 A project – JDcrawlers Messageboard
Notmeu sent me a sample of what he used when he did his winch – thanks Tom. If you go to Paccarwinch. The X controller uses two different cylinders for the clutch and the brake. Try to find an iron foundry around you that still hand molds parts, if you have the part that they can use as a loose pattern it is not much work to reproduce it. Last edited by Paul Buhler on Mon Dec 12, Thanks I got the actuator off today and I’m finally ready to dig further into my winch.
Unfortunately they have almost no parts available any more. There is a drift dowel that holds the brake band while it expands and contracts that is exposed near the winch drum and drives out from the cable side towards the cover side – you can see it in your ugh picture.
Gearmatic 8a winch rebuild
A single pour would actually be preferable as we are not a high production foundry. The brake cylinder will run fluid down the push rod if it is gearmatkc. I have some new and repro parts available, let me know. The threads for the adjustment screw can get pretty buggered up and you may need to chase them from inside the casing rather than from outside at the bottom of the casing. Am I correct in this interpretation?
I think Mr Data is egarmatic the issue! There are paired alignment screws held with wires that center the bands over the clutch drum that you can’t see yet.