a bad kitty cat

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catfan

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Pony engine rod decided it had enough. A stud holding the rod cap broke resulting in a grenade effect poking a hole in the diesel block. I'm thinking of taking up model railroading as hobby instead of old cats. I guess its time to find a good welder. The crawler is a 1936 RD7. Other than the giant hole in the block its a good ole runner.

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Mon, Feb 28, 2011 1:33 AM

tanker

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I have a couple good blocks if interested..

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Mon, Feb 28, 2011 1:36 AM

terrywelch_archive

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Reply to tanker:

I have a couple good blocks if interested..

I have a friend here in Wis that has a RD7 he needs a block for. PM your phone # and I will pass it on to him.
Terry

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Mon, Feb 28, 2011 2:27 AM

ccjersey

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Looks like a lucky break to me!

If it seeps a little bit after welding it, it won't make a mess. You'll just have to top up the pony oil before cranking it.

D2-5J's, D6-9U's, D318 and D333 power units, 12E-99E grader, 922B & 944A wheel loaders, D330C generator set, DW20 water tanker and a bunch of Jersey cows to take care of in my spare time😄

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Mon, Feb 28, 2011 3:41 AM

Old Magnet

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Reply to ccjersey:

Looks like a lucky break to me!

If it seeps a little bit after welding it, it won't make a mess. You'll just have to top up the pony oil before cranking it.

Maybe blank plate and direct electric start.........

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Mon, Feb 28, 2011 4:04 AM

invisabledog

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Model railroading can be expensive and frustrating, too. And not near as much fum as running a vintage Cat around. lol

[quote="catfan"]Pony engine rod decided it had enough. A stud holding the rod cap broke resulting in a grenade effect poking a hole in the diesel block. I'm thinking of taking up model railroading as hobby instead of old cats. I guess its time to find a good welder. The crawler is a 1936 RD7. Other than the giant hole in the block its a good ole runner.

w[/quote]

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Mon, Feb 28, 2011 4:08 AM

ronm

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Reply to invisabledog:

Model railroading can be expensive and frustrating, too. And not near as much fum as running a vintage Cat around. lol

[quote="catfan"]Pony engine rod decided it had enough. A stud holding the rod cap broke resulting in a grenade effect poking a hole in the diesel block. I'm thinking of taking up model railroading as hobby instead of old cats. I guess its time to find a good welder. The crawler is a 1936 RD7. Other than the giant hole in the block its a good ole runner.

w[/quote]

Hell, that'll buff right out...👋

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Mon, Feb 28, 2011 5:16 AM

zootownjeepguy

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Reply to invisabledog:

Model railroading can be expensive and frustrating, too. And not near as much fum as running a vintage Cat around. lol

[quote="catfan"]Pony engine rod decided it had enough. A stud holding the rod cap broke resulting in a grenade effect poking a hole in the diesel block. I'm thinking of taking up model railroading as hobby instead of old cats. I guess its time to find a good welder. The crawler is a 1936 RD7. Other than the giant hole in the block its a good ole runner.

w[/quote]

I'll second that! Model Railroading is fine if you want to hide out in the basement all the time. I did models & R/C for many years until I realized that driving and riding my bigger toys was MUCH more fun than watching the little ones go.

Looks like a pretty simple fix, and it'll be hidden from view behind the pony motor.👍

Rich Salvaggio
D2 5U9917
'46 Willys CJ2A Farm Jeep, '39 Buick sedan, '49 International KB-7, '37 Allis Chalmers WC, Cushman Scooter(s)
Antique garden tractors & outboard motors
Other rusty old junk comes & goes without warning.

The 2 most useful tools to have in your shop are a Crystal Ball and a Magic Wand

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Mon, Feb 28, 2011 6:17 AM

MichaelHoward

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I love the way you have your chokers fasten together. I would have used hay string HA HA HA !!! be carefull[quote="catfan"]Pony engine rod decided it had enough. A stud holding the rod cap broke resulting in a grenade effect poking a hole in the diesel block. I'm thinking of taking up model railroading as hobby instead of old cats. I guess its time to find a good welder. The crawler is a 1936 RD7. Other than the giant hole in the block its a good ole runner.

w[/quote]

1957 D6 9U Ford 3000 2002 HD with a 30 shot of NOS 1978 Ford Bronco 1969 lincoln 2 Door Coupe 460 500hp and a 1972 Ford F 100 that I cant find time to put back together.

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Mon, Feb 28, 2011 6:22 AM

YeLLoIrOn

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Reply to MichaelHoward:

I love the way you have your chokers fasten together. I would have used hay string HA HA HA !!! be carefull[quote="catfan"]Pony engine rod decided it had enough. A stud holding the rod cap broke resulting in a grenade effect poking a hole in the diesel block. I'm thinking of taking up model railroading as hobby instead of old cats. I guess its time to find a good welder. The crawler is a 1936 RD7. Other than the giant hole in the block its a good ole runner.

w[/quote]

As long as you have all the pieces of the block it will be an easy fix. Just do a little beveling on the edges to get some brass in the crack. Use lots of brake clean or carb cleaner on the cast to get all the oil out. I like to heat it alittle with the torch before starting to braze.
Also with the brake clean you'll find the just how long the cracks in the block are. At the end of each crack, drill a very small hole and this will keep the crack from creeping further due to heat. That block is thick enough i would try brass rod for a stick welder or use nickle rod.
I fixed a 353 block you could throw a basket ball through using the lock and stitch method. It takes alot more time but works wellhttp://www.maineindustrial.com/metal_stitching.htm

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Mon, Feb 28, 2011 8:19 AM

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