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RC vs WC ring anf pinion differences

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Jomo View Drop Down
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Joined: 10 Oct 2024
Location: Kansas
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jomo Quote  Post ReplyReply Direct Link To This Post Topic: RC vs WC ring anf pinion differences
    Posted: 30 Apr 2025 at 2:54pm
Just bought an RC and it's missing it's ring and pinion assembly, is it possible to put an WC ring and pinion into an RC casting or should I try to source and RC one or a complete WC rear end? Are the carriers the same length to go into the case. Would mainly be using for pulling wagons, raking and parades mainly not really planning on plowing with it.


Edited by Jomo - 30 Apr 2025 at 11:08pm
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DrAllis View Drop Down
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Joined: 12 Sep 2009
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 30 Apr 2025 at 11:03pm
Ring and pinion ratios are 6.6 to 1 for an RC (and a factory WC high-crop) and 4.7 to 1 for a regular WC.  There is almost a 30% difference in gear ratios slowing down the RC. Both tractors were made to plow with a 2-bottom plow in second gear in normal conditions. The RC had a faster engine speed of 1500 rated RPM while the WC was at 1300 RPM. So, there is 15% picked back up in faster engine speed for the RC.  If you're going to use it as a parade tractor, WC gears would suit me just fine. If you plan on plowing with it and use WC gearing, you will be in LOW gear to plow.
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CAL(KS) View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CAL(KS) Quote  Post ReplyReply Direct Link To This Post Posted: 7 hours 4 minutes ago at 9:08am
wc ring and pinion will be alot easier to come by.  likely the RC was pulled to go into a wc puller and exponentially more wc R&P made.  Hell  i have a few axles laying around.  where you at in KS?
Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20

Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15
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Jomo View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jomo Quote  Post ReplyReply Direct Link To This Post Posted: 6 hours 54 minutes ago at 9:18am
East Central around emporia area. And that was what the ring and pinion was pulled for according to the seller
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CAL(KS) Quote  Post ReplyReply Direct Link To This Post Posted: 6 hours 50 minutes ago at 9:22am
im about an hour away.  if you dont locate something closer, send me a PM.
Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20

Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15
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DrAllis View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 6 hours 42 minutes ago at 9:30am
There's two ways to go about it. Gear it down so the engine doesn't choke, ORRR   build enough torque/HP to not need to gear it down !!!
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Grant Forsythe View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Grant Forsythe Quote  Post ReplyReply Direct Link To This Post Posted: 4 hours 44 minutes ago at 11:28am
I have an rc id sell. Block is repaired, you’d mainly be buying it for the rear end. $700 takes it. It does have rc gears in it. Located near Walcott Iowa, I might come down to lathrop goto.
The Unstyled Collector
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CAL(KS) Quote  Post ReplyReply Direct Link To This Post Posted: 3 hours 59 minutes ago at 12:13pm
Im interested in the RC lol.  I plan to go to lathrop.  Will pm you.

Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20

Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15
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HudCo View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote HudCo Quote  Post ReplyReply Direct Link To This Post Posted: 2 hours 7 minutes ago at 2:05pm
that rc is slowly getting closer to utah
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