September 02, 2014, 01:41:15 AM *
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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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 on: September 01, 2014, 08:32:52 PM 
Started by 79star - Last post by 79star
Working on the DGH and was wondering if anyone has removed a complete blade system.  Is there a good way to remove most of it intact. 

 on: September 01, 2014, 05:15:34 PM 
Started by arc flash - Last post by arc flash
hello and thanks for letting me share in this forum. been into old iron all my life (48 yrs young) and have always wanted a crawler.. well.... got one this weekend!! :-) early oc-46 I think? it has been repowered with a oliver 60 engine so no info tag on the bell housing :-(. I am going to be in the market for some parts. sheet metal, left floor board, throttle lever, gages, paint ect... looks like zimmermans is going to be a good asset. any other good places I should bookmark?

thanks again in advance for the knowledge I know im going to need!!!


 on: September 01, 2014, 02:35:45 PM 
Started by Kim Rowden - Last post by Blake Malkamaki
Kim, is your carburetor below the bottom of your fuel tank? If so you shouldn't need a fuel pump unless going up steep hills with a low fuel level in the tank. I wouldn't bother with a fuel pump if you don't need it. I doubt that motorcycle pump would supply enough gasoline under a high load and would cause a bad restriction in your line causing the engine to run lean and stumble.

How small is the outlet on your sediment bowl? I don't think I would go smaller than 5/16" on anything in the fuel system.


 on: September 01, 2014, 02:23:20 PM 
Started by Kim Rowden - Last post by Kim Rowden
Hello all,

I just bought an A (originally a 1938 AD-2) with a 6 cylinder gas engine. It has a homemade(?), yet functional, hydraulic blade. It runs well but has a couple of small issues that I need to tidy up.

I've cleaned the gas tank and reworked the fuel lines, adding a new see-through fuel filter along the way. I don't see a mechanical fuel pump and was wondering if a small pump was advisable?
I'm using 5/16" hose but the brand new fuel sediment bowl / shutoff unit that I bought has a very small outlet (supply) hole.

I found this online:   It says 3-6psi.
I don't mind if things are not strictly original so long as I'm not making irreversible changes.

What do you think?  Is there a need for it?  I'm sure I'll have more questions as I go along...


 on: August 30, 2014, 10:38:19 AM 
Started by John D - Last post by Blake Malkamaki
Just an FYI guys… I doubled the photo size limits for attachments so you can share larger images now.

Great pictures of your AG-6 John!


 on: August 29, 2014, 06:54:09 PM 
Started by John D - Last post by John D
Thanks Steve and Bob. Restoration pictures are always a fun thing to do.  Glad you are enjoying them.

I did the upholstery 9 years ago after the Sheetmetal paintwork was done.  Naugahyde and foam from a fabric store.  Made my own pattern. Two sheets of 3/8" plywood as a backing. I put T-Nuts in the plywood back so I have 1/4-20 bolts threaded in.  The seat bottom needed no fasteners.  1/2" foam for the sides and a pinch trim to hold it to the edges.   I bought the decals from Zimmerman back then too. Just put them on this week.  They really make it look great.

I bolted the seat on today. If you look carefully at the battery box it is actually a large old empty battery case I picked up years ago at a junk yard. It bolted to the fender easily using existing holes in the fender.

I've also been posting photos on MyTractorForum. The photos on my iPhone are initially too large to upload here.  I downloaded an app to resize pix. That helped a lot.

I ran into a snag today. There are no drains at the bottom of the wheel gear housing wells. The manual points out 4 lower drains and 2 overflow drains.  I guess I will have to siphon it out of those wells.

The muddy oil in the trans was mixed with water from power washing.  Probably been a few decades since the last time it was flushed.  I've had it 15 years and never checked it. (Oops)

I am so anxious to run it and drive even a few feet. I'd like to put it back up on blocks so I can access the underside easier.  I've left the top clutch cover off so I can make adjustments if needed. Then fasten the cover before installing the gas tank shelf and finally the gas tank can go back in place.

I am targeting end of September to finish.

 on: August 29, 2014, 04:05:26 PM 
Started by John D - Last post by hotratz
Restore pictures always get me excited  Grin The color is real good too.

 on: August 27, 2014, 08:23:30 PM 
Started by Blake Malkamaki - Last post by Blake Malkamaki
I just doubled the allowable attachment size to 900 KB and upped the attachment folder size. You can make your attachments bigger and easier to view now. We have much more space available than we used to.


 on: August 27, 2014, 08:19:20 PM 
Started by GlenT - Last post by Blake Malkamaki
Ok Doug (and others),
I just doubled the allowable attachment size to 900 KB and upped the attachment folder size. You can make your attachments bigger and easier to view now. We have much more space available than we used to.


 on: August 27, 2014, 12:41:46 PM 
Started by GlenT - Last post by Doug424
I tried to get the photo's on here and even though I chaged my camera settings it still tells me my file size is too large. If you send me an e-mail at:, I can send you the photos

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