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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 http://cletrac.org/forum2010/index.php?action=profile 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: http://cletrac.org/photos/

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 http://cletrac.org/forum2010/index.php?topic=1299.msg5184#msg5184

Thanks,
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Author Topic: History of Cletrac military vehicles  (Read 13114 times)
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Blake Malkamaki
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« Reply #15 on: January 20, 2011, 09:37:13 PM »

Next pic

Somewhere I have a picture of my grandfather Howard van Driest driving one of these MG-2s with guys lined up on both sides facing in. This is the one you drove from the front.

Blake
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My gramps Howard van Driest was Experimental Engineer at Cletrac and Oliver Corporation. After the plant closed, he and my uncle started an excavating business, initially using Cletrac and Oliver Crawler tractors. Please help Support This Site and give your business exposure by buying a business card sized ad.
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« Reply #16 on: January 20, 2011, 09:38:27 PM »

The Army was looking for a self propelled gun so Cletrac came up with the T1 Gun Carriage with a 3 inch gun.
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« Reply #17 on: January 20, 2011, 09:40:54 PM »

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« Reply #18 on: January 20, 2011, 09:42:38 PM »

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« Reply #19 on: January 20, 2011, 09:44:47 PM »

 After several changes this evolved into the M5 Gun Carriage. The Army ordered 1583 units but the order was cancelled before production proceeded.
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« Reply #20 on: January 20, 2011, 09:46:36 PM »

Only two prototypes were made and they were converted into T31 Medium Tractors. This was likely the final version. The driver sat in that little enclosure in front of the gun mechanism.
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« Reply #21 on: January 20, 2011, 09:48:51 PM »

The Cletrac FD was likely Cletrac?s designation before the Army called them the T31.
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« Reply #22 on: January 20, 2011, 09:50:39 PM »

The two M5 Gun Carriages were used to make the T31 Medium Tractors.
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« Reply #23 on: January 20, 2011, 09:53:28 PM »

Next pic. That's it for now.
Blake, you'll have to find that picture and post it on this thread.
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Blake Malkamaki
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« Reply #24 on: January 20, 2011, 10:15:06 PM »

Next pic. That's it for now.
Blake, you'll have to find that picture and post it on this thread.

Someday I'll get it. I know where it is, but someone else in the family has the album right now.

Once Gramps drove one of the machines home for the weekend - I don't know if it was an MG-1 or MG-2 - but at the time they lived in Chardon, Ohio - about 30 miles east of Cleveland. Must have been a fun drive! Everyone else on the road had gas rationing.

Blake
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My gramps Howard van Driest was Experimental Engineer at Cletrac and Oliver Corporation. After the plant closed, he and my uncle started an excavating business, initially using Cletrac and Oliver Crawler tractors. Please help Support This Site and give your business exposure by buying a business card sized ad.
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« Reply #25 on: January 21, 2011, 03:27:30 PM »

Here's some more that aren't in the MG1 family.
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« Reply #26 on: January 21, 2011, 03:30:46 PM »

next pic
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« Reply #27 on: January 21, 2011, 03:32:26 PM »

next pic
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« Reply #28 on: January 21, 2011, 03:34:41 PM »

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« Reply #29 on: January 21, 2011, 03:36:59 PM »

next pic
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