Are these 4d grader engines the smallest production engine Cat built?

ag-mike
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9 years 7 months ago #123834 by ag-mike

Are these 4d grader engines the smallest production engine Cat built? was created by ag-mike

I'm got this thing running good using a briggs & stratton carb on it. The original schebler was beyond help. Now cleaning it up 4 paint and detail 4 the rock river show. r these the smallest engines Cat built? Are there any spec sheets on these? Here is the post about this engine when i became caretaker of these.
www.acmoc.org/bb/showthread.php?19473-I-...now-4-some-questions

btw, it has a aluminum head

My channel www.youtube.com/channel/UC9XkaV0X15FyObT...ideos?view_as=public

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terrywelch_archive
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9 years 7 months ago #123835 by terrywelch_archive

Replied by terrywelch_archive on topic Are these 4d grader engines the smallest production engine Cat built?

Nice looking engine. It will be a good addition to the show.
Terry

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Ray54
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9 years 7 months ago #123879 by Ray54

Replied by Ray54 on topic Are these 4d grader engines the smallest production engine Cat built?

Seeing what looks like a taper in the crank shaft like used on pony motors, or am I seeing thing. Got me thinking are the pistons and valves the same as used in a pony of the same time?

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ag-mike
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9 years 7 months ago #123881 by ag-mike

Replied by ag-mike on topic Are these 4d grader engines the smallest production engine Cat built?

"Ray54" wrote:
Seeing what looks like a taper in the crank shaft like used on pony motors, or am I seeing thing. Got me thinking are the pistons and valves the same as used in a pony of the same time?

Don't know 2 much about it ray, i think its a cat 10 piston, i'm still trying 2 figure out what weighs more, this or d2 pony engine + which has more hp? Tapered shafts on both ends.

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Are these 4d grader engines the smallest production engine Cat built?

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