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Antique Steel Wheel Tractors - Old Iron Lugs and Cleats Photos and information about antique steel wheeled farm tractors. This is where to find the heaviest of Old Iron tractors.

Antique Steel Wheel Tractors - Old Iron Lugs and Cleats

Holt 75


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  #1  
Old 03-17-2010, 04:13:37 PM
AultmanTaylor AultmanTaylor is offline
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Default Holt 75

Hi all,

Yesterday we unloaded our Holt 75. With it came some kind of shell wich looks like a blower housing that has to come on top of the exhaust. Was there someting in it and what was the purpose of it? The attached picture shows what piece I mean. I borrowed it from David Parfitt's site as I don't have any pictures of ours on this computer. The one in the picture is cast while ours is made out of a sheet.

Greetings from Belgium
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  #2  
Old 03-17-2010, 04:41:43 PM
naylorbros naylorbros is offline
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Default Re: Holt 75

Spark arrestor. And I think that they do not have anything in them.
Thanks
Ken
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  #3  
Old 03-17-2010, 05:49:02 PM
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Eric M. Eric M. is offline
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Default Re: Holt 75

Yep, they are a spark arrestor. Here are two old pictures of the Holt harvester at Vista, CA that show a similar arrestor. Pictures from ronfoo.com
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  #4  
Old 03-17-2010, 05:57:23 PM
AultmanTaylor AultmanTaylor is offline
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Default Re: Holt 75

Thanks,

It's just strange that it has an opening on the left and the right and one to come from the exhaust and one other. Seems a lot for just stopping the sparks and get the gasses away.
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Old 03-17-2010, 06:09:42 PM
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Eric M. Eric M. is offline
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Default Re: Holt 75

My guess on its operation is that as the exhaust gases come out of the exhaust pipe, the larger chunks of carbon will be flung towards the outside of the arrestor due to centrifugal force. The gases aren't subjected to as much force, since they weigh much less, so they can easily escape out the center holes without carrying along the bits of burning carbon. The other protrusion is probably to act as a collector for any chunks, so they aren't continuously flying around the rim.
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  #6  
Old 03-18-2010, 04:23:23 AM
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David Parfitt David Parfitt is offline
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Default Re: Holt 75

The book "Care and operation of the Caterpillar 75 tractor" is available for free here:

http://www.archive.org/details/carea...atio00incogoog

I couldn't see anything in there about the spark arrestor, but there might be some other useful information?

All the best

David
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Old 03-18-2010, 09:33:53 AM
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Elden DuRand Elden DuRand is offline
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Default Re: Holt 75

Gee, guys - I thought it was an unusually positioned turbocharger.

Take care - Elden
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  #8  
Old 03-18-2010, 10:28:05 AM
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Default Re: Holt 75

Here is an old photo from Tunisia showing both a tractor and combine fitted with a spark arrestor:
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Old 03-18-2010, 02:44:28 PM
Happy Old Iron Happy Old Iron is offline
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Photo Re: Holt 75

Pictures in Belgium, the first tuesday night when she arrived. On the others you can see how much Aultman likes the Holt.
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Old 03-18-2010, 03:24:19 PM
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Default Re: Holt 75

Very neat! It looks like a few spokes have been cut out of the front wheel?

I hope it's going to stay original
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Old 03-18-2010, 05:04:22 PM
AultmanTaylor AultmanTaylor is offline
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Default Re: Holt 75

The front wheel was complety broken.
The old wheel had a broken shaft, all of the spokes were broken off, the hub was in 4 pieces,...
Luckily there was another one with it wich we've put on today.
Hopefully we're going to get it running tomorrow or saturday.
Paint will be no option for it
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Old 03-21-2010, 10:24:48 AM
Happy Old Iron Happy Old Iron is offline
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Default Re: Holt 75

some more pictures. The carburator still needs to be cleaned.
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  #13  
Old 03-21-2010, 10:27:22 AM
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Default Re: Holt 75

and more pictures.
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Old 03-21-2010, 07:48:37 PM
Tom Madden Tom Madden is offline
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Default Re: Holt 75

Looks like Marvin Reed's 75 found a new home.
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Old 03-21-2010, 09:59:41 PM
Oilpulled Oilpulled is offline
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Default Re: Holt 75

Tom, What do you know about Marvin Reed? I have talked to him in past at Sparks Nevada. Nice person. I bought a Cat 60 manifold from him. Is the subject 75 Holt the one he had?
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Old 03-27-2010, 04:48:12 AM
AultmanTaylor AultmanTaylor is offline
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Default Re: Holt 75

running for the first time on belgian ground.
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Old 03-27-2010, 11:09:00 PM
Gary Biewer Gary Biewer is offline
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Default Re: Holt 75

Sounds like the old Holt runs like a million bucks! Looks like some Good looking tractors in the back ground also. Congrads on the new toy! Gary
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Old 06-13-2011, 06:38:50 PM
AultmanTaylor AultmanTaylor is offline
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Default Re: Holt 75

How about a Tug-of-war with 2 little ones?
And starting it after that
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Old 06-16-2011, 12:08:20 PM
Brasherman Brasherman is offline
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Default Re: Holt 75

Nice to see it out and about at the shows. Everyone enjoy it?
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Old 06-16-2011, 05:37:30 PM
AultmanTaylor AultmanTaylor is offline
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Default Re: Holt 75

How can jou not enjoy such a nice beast?
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