April 18, 2014, 04:25:12 PM *
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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: Today at 01:34:45 PM 
Started by ianoz - Last post by Blake Malkamaki
That's a Cletrac E Ian. Basically the same down the middle as an AG, but different track frames.


 on: April 17, 2014, 01:25:38 AM 
Started by ianoz - Last post by ianoz
Some Crawlers , There is a Cletrac.Bit smaller than an AD i thought ,Anyone ID it ?

 on: April 14, 2014, 09:06:03 PM 
Started by jr/ - Last post by coffeecreek
Thanks Chris .  Jr I guess I could have read your question better and answered all of it . The front trans ( tasco ) is an H pattern . When we first got the OC3 they had only been shifting the tasco from 1st to reverse and back . Using it like a reverser . The former owner even commented that it was just too slow . With some gentle but firm handling of the shifter we were able to loosen it up enough to get it to go in all the gears . 3rd gear in the front trans will be close to a 1 to 1 ratio and is pretty much the original speeds in the Oliver trans . 2nd and 1st are reduction to the input of the Oliver trans . Reverse will both reduce the input rpm and turn the input shaft backward , causing your problem . Hope that helps .

 on: April 14, 2014, 08:07:37 PM 
Started by jr/ - Last post by oliverchris
Its experienced advice like that 'spooling out the winch' idea that makes this site so useful. Thanks coffeecreek Smiley

 on: April 13, 2014, 08:02:48 PM 
Started by jr/ - Last post by coffeecreek
Yes reverse in the aux trans will drive the input shaft in the main trans in reverse . That will make forward gears reverse and the reverse gear forward . I use the tasco reverse to spool out the winch on the OC3 as it makes the pto turn backward too .  Wink

 on: April 13, 2014, 07:55:46 PM 
Started by jr/ - Last post by jr/
 I have what i THINK IS A HG WITH A TRASCO AUXILLIARY TRANSMISSON. bOTH IDENTIFICATION PLATES ARE MISSING SO BASED ON COLOR AND THE ENGINE THAT'S MY BEST GUESS.I have 2 questions . The gear shift pattern does not match the pattern in the instruction manual where 2nd and 3rd should be it goes into reverse in both positions and where reverse should be it goes into a forward gear . The gear shift moves freely and there is no grinding going into a gear .Could this be influenced by the auxilliary transmisson. How exactly do you shift the auxilliary transmisson to correctly  match it to your regular transmisson. Next if the problem is solely with the regular gear shift what is the best way to open the gear shift and  fix the problem. I am new to crawlers and any help would be greatly appreciated

 on: April 08, 2014, 07:44:35 PM 
Started by Paul Bianchi - Last post by oliverchris
Sorry for the wait Paul. I've been otherwise engaged with family matters. Plus the fact of the worst Winter up here in 20+ years for snow and ice and prolonged periods below zero.
From factory, pedal free travel [at top of pedal] is 1 3/4in. When reduced to 3/4in. through disc wear, disconnect the release rod yoke from the clutch pedal 'stay' [=remove cotter pin], spin yoke on threaded release rod [to make it longer] until free travel is 1 3/4 again. Best of luck. Chris (OliverCrawlers)

 on: April 08, 2014, 07:29:26 PM 
Started by jr/ - Last post by oliverchris
It'll be a tall order and a long wait I suspect. Only thing I can add is they made them in 2, 3 or 4 roller versions, weighing 82, 92 and 102 lbs. respectively. Part numbers: C 9017-2, C 9017-3, C 9017-4. They were bolted to those prominent top and bottom bosses.

 on: April 05, 2014, 01:00:10 PM 
Started by jr/ - Last post by jr/
I am looking for a fairlead assembly that would fit either a 8A or 8G Gearmatic winch.
 If you know of any business or individual that might have one for sale, I would appreciate the help in finding one.

 on: April 01, 2014, 09:56:12 PM 
Started by ianoz - Last post by jerdbob
thanks blake,the site is a real godsend of great information,jerry

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