D-4 parts machine question?

stoneridge · Jan 11, 2021

Have a 1952 D-4 and broke the shaft that goes from the crank through the clutch.
Looking for parts and found a running 1947 D-4.
Will most parts interchange, powertrain, undercarriage etc.. is it worth buying as parts machine?

Is this shaft available new? any idea what they cost?

rustcollector · Jan 12, 2021

Stoneridge

If you have a part number, email Frank at [email protected] for availability and quote. They have a network around the country that have new original and aftermarket parts for a lot of older Cat machines. I have found a lot of D6 9U and D6 44A parts from them. Prices are reasonable. If you do not have the part number he may be able to find a number.

rustcollector · Jan 12, 2021

Stone ridge

I remembered I have a D4 7U27570-UP parts book. The shaft you describe is part# 3B2517 for these machines. My experience with D6 parts is that they do not change much but you can never be sure. A parts
machine depends on condition and years difference. Your situation and ability to disassemble for a part may dictate your choice. For some of these parts even my time spent makes it cheaper to buy when I can find
the part. Several years ago there would have been salvage yards that could accommodate, but high scrap prices took a lot of these old machines away.

stoneridge · Jan 12, 2021

I managed to find a used shaft locally, appreciate the info though. Honestly I'd rather buy parts than have a machine in the yard. Think your comment about the value of your time is good one. Local guy has a collection of d-4's and is happy to share advice and sell the odd part. He said the same thing about scrap getting lots of older machines.

D-4 parts machine question?

stoneridge

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stoneridge

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