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News: 10/5/12 - All new members are REQUIRED to fill out the signature section of your profile. Otherwise, you may be deleted from the forum. This is to help me determine if you are a member or if you are a spammer. Thank you.

9/22/12 - I ask that you please add a signature line to your profiles on the Cletrac Forum to help me to determine who is spam and who is not. You don't need to drop everything and do this immediately, but please do it when you get a minute and you are visiting the forum. Just go to and put something in the signature area. If you no longer want to be a member on the Cletrac Forum, please remove your membership.

8/10/11 - Added a new board: Trucking and Hauling

5/30/11 - Just added several new pictures to the Photo Gallery, including several Alfta Track OC-4 working in snow logging, several from the Chicago Road Show, and some from a logging show (not all Oliver/Cletrac). All these pictures are from around 1963 and were scanned from old slides given to me by my late friend John W. Davis. Go to the Photo Gallery and click on "NEW" to see these pictures. Quality is marginal, but I think you will enjoy them.

2/13/11 - Just added a new board "New members introduce yourselves here".

Folks, I just added a new photo gallery where you can upload your own pictures with descriptions, etc. Right now this is in the beta testing stage to see how it works out. Give it a try, but please keep a backup copy of your pictures just in case we decide to use something else. I would prefer you use your real name on the photo gallery, but if you really don't want to, please use the same username as on the forum. Please put your images into the proper categories and take care when your write out your descriptions and image names so people can search for them. I am learning this as we go. At least at the beginning, I have it set up where the administrator has to approve members. I am afraid we may get porn spam in here if we leave it open. To get to the photo gallery, use this link:

Folks, when you join the forum, or when you get the chance to update your Profile, please be sure to put your location and interests. Filling out your signature would help as well. I've been getting some spammers joining and posting links to sites that are completely unrelated to Cletrac or Oliver, or anything to do with tractors. It would make it easier for me, as well as all the other members, if you guys would put your location and interest in your profile. See

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1  Cletrac Tractor Discussion / HG, OC-3, OC-4 & General / Classafied ad edit or remove on: May 10, 2016, 08:42:06 AM
 How do I edit my ad or remove?
2  Cletrac Tractor Discussion / HG, OC-3, OC-4 & General / Re: OC-3 Transmission/Differential (Clark unit) Rattling Noise in Neutral on: October 30, 2014, 06:57:10 PM
When you have the clutch out check the flywheel bolts. A loose flywheel will rattle in neutral but not so much in gear.
3  Cletrac Tractor Discussion / Subjects Related To All Models / Re: An artical about oil I thought was interisting on: June 21, 2013, 11:45:16 AM
Copper should not be used for Brake Lines. The wall strength is not as high as steel tubing and can burst at any time pressure is applied to the brakes.
4  Cletrac Tractor Discussion / HG, OC-3, OC-4 & General / Re: what model is this? on: February 14, 2011, 07:11:51 PM
Looks like my OC-4
5  Cletrac Tractor Discussion / HG, OC-3, OC-4 & General / Re: PART NUMBER FOR "LARGE OIL SEAL" on: September 06, 2010, 01:58:03 PM
NAPA if it is NOT in the computer good luck. If they had books I don't think the counter people can read.
6  Cletrac Tractor Discussion / HG, OC-3, OC-4 & General / Re: HG42 Anderson Dozer project on: September 06, 2010, 01:50:02 PM
The fan belt is a belt that a lot of places sell as a universal replacement belt. It is adjustable to fit many different lenghts by removeing segments. I have seen them in the past and they work for a short time.
7  Cletrac Tractor Discussion / HG, OC-3, OC-4 & General / OC-46 Loader and Track Rollers on: March 20, 2010, 08:04:34 AM
Question: My loader tag says the loader is a Oliver OC-46 loader. Is this the same as a Ware loader?

I removed the grease fitting from a track roller and found the roller had been filled with grease instead of oil.
In looking at the roller parts I don,t see how this will lube the rollers. How can I clean the grease out short
of dissasembling and cleaning all the rollers?

Thank You
8  Cletrac Tractor Discussion / HG, OC-3, OC-4 & General / Re: OC46 Weight on: February 28, 2010, 03:22:42 PM
In my OC4-3G operators Manual the operating weight is approximatly 4,305 pounds. How huch the loader is I don't know as I can" find my loader manual, it is somewhere in the pile.
9  Cletrac Tractor Discussion / HG, OC-3, OC-4 & General / Update on OC46-3G on: October 19, 2009, 09:58:01 AM
Since last post I have removed head from engne and found about a bushel of OATS in cylinders.
Removed Oats and cleaned piston tops. cylinder walls look good, minimial ridge at top and no scoring.
Removed valves one exhaust valve needs to be replaced all others in good shape.
When the sun comes out and no rain I will put head back on and hope she will start.
Also took carb apart and cleaned float was stuck, found gasket set a farm supply store gaskets all matched for some Ford tractor.
The Head set and Valve came from Zimmerman.
10  Cletrac Tractor Discussion / HG, OC-3, OC-4 & General / Just purchased OC-46-3G on: October 02, 2009, 08:08:35 AM
After about 10 years of trying I finley convincied neighbor to sell the OC-4 that has been in shed for 30+years,
Got it home and discovered the valves are stuck open so will need to do a valve job on it.
Ordered gaskets from Zimmerman. as soon as they come I will remove head and see what it looks like.
Will post what I find and how thungs go.

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