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Case Tractors Discussion Forum

1940 Case RC starter

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Cameron Smith

03-23-2007 09:30:22

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I have finished a rebuild on my RC(complete engine done at a local machine shop) and haven't even put fluids in it yet. It has the clamshell fenders, power lift, four speeds, sunburst grill, etc. and a hole for a starter motor.My old parts book has an Autolite starter number of MZ-EO-4683. So far I'm batting zero on finding one here in Massachusetts. If any of you folks have any ideas I would greatly appreciate it. It would seem that there would some type of seal for it due to the wet clutch. Thanks!

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03-24-2007 18:52:38

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 Re: 1940 Case RC starter in reply to Cameron Smith, 03-23-2007 09:30:22  
Forgot to add.... I cut thick cork sheets into large donut or washer shaped gaskets and put them over the nose end of the SC starter. This seals the clutch compartment just like the thick cork donut gasket on the SC starter nose. I adjusted the gasket thickness by glueing thin gaskets in a stack to get the seal. It was about 1/2" thick or so. The R series was the predecessor of the S series, so the design is right in line for both models. I think the starter is on the opposite side of the block from S to R series so that explains why the starter nose had to be re drilled to accept the set screw at the right angle.

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03-24-2007 18:37:26

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 Re: 1940 Case RC starter in reply to Cameron Smith, 03-23-2007 09:30:22  
I put a starter on a 38 RC that didn't have one originally. I took a SC starter and had to re drill the set screw hole to line it up right. Then I cut some .010" or so ( don't remember the exact thickness) sheet metal in a 1/2" x about a 30" strip and rolled it under a AC WC ring gear on the case RC flywheel. The AC ring gear is a sloppy fit on the flywheel with no modifications. I heated the ring gear and shrunk it on top of the flywheel and shim. The starter drive seems to be a rough mesh, a little noisy, but it works. The gear teeth may be slightly mis matched. I have a RI here with original starter that we used to line things up for the hand crank RC conversion. Makes a good conversion at a Case collectors price range.

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Cameron Smith

03-24-2007 16:04:22

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 Re: 1940 Case RC starter in reply to Cameron Smith, 03-23-2007 09:30:22  
Thanks for the info & guidance. I had a hunch it was going to be a tough item to find.

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C. Amick

03-23-2007 18:35:00

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 Re: 1940 Case RC starter in reply to Cameron Smith, 03-23-2007 09:30:22  
Try calling Weitzel's DC Electric 419-668-2844 or Shearer Electric Services 800-431-9023 or G&R Rebuilding 888-210-7743. If they can't help, perhaps they can point you to someone who can.

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Gene Dotson

03-23-2007 13:22:59

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 Re: 1940 Case RC starter in reply to Cameron Smith, 03-23-2007 09:30:22  

The Auto-Lite number should be MZ-4071... Gene

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03-23-2007 12:52:14

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 Re: 1940 Case RC starter in reply to Cameron Smith, 03-23-2007 09:30:22  
I check my parts book , look like it may be a hard thing to find. idea maybe an sc starter might work if it fit the hole you might change the bendix gear because the sc used an differce ring gear than the r series did only a thought good luck John

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03-23-2007 11:32:51

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 Re: 1940 Case RC starter in reply to Cameron Smith, 03-23-2007 09:30:22  
I have nerver worked on any CASE and that also applies to most TRACTORS.I do not think that the wet clutch as I think the wet unit is self contained like the old HUDSONS were.I am assuming there is a ring gear around it.If so try to find a person or place that has the old instruction manuels by AUTO-LITE as they were very detailed then you can find out which other starters used the same drive end and go from their.The right drive end will probable fit many cars and trucks and anything else that uses DELCO STARTERS.Someone correct me if am wrong as I am sticking my neck out this. CENTAUR

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