1952 John Deere A crank swap
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Thread: 1952 John Deere A crank swap

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    Cjet69's Avatar
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    1952 John Deere A crank swap

    Another member thought I should start a thread dedicated to the crank swap on my tractor so here it is:

    I bought this 1952 John Deere AN last Oct. The PO told me that it had a bad clutch and he wasn't willing or able to fix it. All he wanted was a little money for the almost new looking rear tires. We agreed on $400 for it so I hauled it home. Once home I looked it over and found the crank splines on the clutch side were badly worn so much so that the clutch drive disc was really loose and couldn't be tightened. I purchased a used crank and a new drive disc to swap out with the old. So now on with the project.

    I'll start with some picks of the damaged crank and the used replacement.
    Attached Thumbnails Attached Thumbnails 100_8207 (Medium).JPG   100_8231 (Medium).JPG   100_8232 (Medium).JPG   100_8237 (Medium).JPG   100_8402 (Medium).JPG  

    100_8476 (Medium).JPG   100_8478 (Medium).JPG  
    John Deere: 322, 318, 316, 214, GT225, LX255, 165, 111H, 111, SX95, SX75, RX73, F525, STX38
    John Deere Gator 6x4 #1
    John Deere Gator 6x4 #2
    Sears: SS14, GT18, 16/6
    Craftsman: 18.5 46, LT4000
    Cub Cadet: 1450, 124, 1220
    Simplicity: 725, 3415H
    Homelite: CT-10
    MTD: 990
    Montgomery Ward: 14 variable speed
    Dynamark: 12/38
    Bolens: 1050
    Case: 444

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    Cjet69's Avatar
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    I started the tear down last Friday and got the flywheel removed.
    Attached Thumbnails Attached Thumbnails 100_9822 (Medium).JPG   100_9823 (Medium).JPG   100_9825 (Medium).JPG   100_9828 (Medium).JPG   100_9827 (Medium).JPG  

    100_9830 (Medium).JPG  
    John Deere: 322, 318, 316, 214, GT225, LX255, 165, 111H, 111, SX95, SX75, RX73, F525, STX38
    John Deere Gator 6x4 #1
    John Deere Gator 6x4 #2
    Sears: SS14, GT18, 16/6
    Craftsman: 18.5 46, LT4000
    Cub Cadet: 1450, 124, 1220
    Simplicity: 725, 3415H
    Homelite: CT-10
    MTD: 990
    Montgomery Ward: 14 variable speed
    Dynamark: 12/38
    Bolens: 1050
    Case: 444

  5. The Following User Says Thank You to Cjet69 For This Useful Post:

    Herminator (08-12-2018)

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    Cjet69's Avatar
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    Saturday I pulled the first reduction gear and cover. I had already removed the clutch pulley earlier.

    Next will be to pull the rods, main bearing webs, and remove the old crank.
    Attached Thumbnails Attached Thumbnails 100_9832 (Medium).JPG   100_9833 (Medium).JPG   100_9834 (Medium).JPG   100_9835 (Medium).JPG   100_9836 (Medium).JPG  

    100_9837 (Medium).JPG  
    John Deere: 322, 318, 316, 214, GT225, LX255, 165, 111H, 111, SX95, SX75, RX73, F525, STX38
    John Deere Gator 6x4 #1
    John Deere Gator 6x4 #2
    Sears: SS14, GT18, 16/6
    Craftsman: 18.5 46, LT4000
    Cub Cadet: 1450, 124, 1220
    Simplicity: 725, 3415H
    Homelite: CT-10
    MTD: 990
    Montgomery Ward: 14 variable speed
    Dynamark: 12/38
    Bolens: 1050
    Case: 444

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    Cjet69's Avatar
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    I pulled the rods off the crank and slid them up in the bores far enough to get the crank out. Then removed the oil lines from the main bearing webs and pulled them off the crank. With a little wiggling the crank slid out the right side of the crankcase. I found the Babbitt bearing in the #1 rod cap has some damage, but the rod side looks OK. Also one main bearing has some pitting. At this point I am going to take inventory before I proceed.
    Attached Thumbnails Attached Thumbnails 100_9839 (Medium).JPG   100_9841 (Medium).JPG   100_9842 (Medium).JPG   100_9846 (Medium).JPG   100_9848 (Medium).JPG  

    100_9849 (Medium).JPG   100_9850 (Medium).JPG  
    John Deere: 322, 318, 316, 214, GT225, LX255, 165, 111H, 111, SX95, SX75, RX73, F525, STX38
    John Deere Gator 6x4 #1
    John Deere Gator 6x4 #2
    Sears: SS14, GT18, 16/6
    Craftsman: 18.5 46, LT4000
    Cub Cadet: 1450, 124, 1220
    Simplicity: 725, 3415H
    Homelite: CT-10
    MTD: 990
    Montgomery Ward: 14 variable speed
    Dynamark: 12/38
    Bolens: 1050
    Case: 444

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    DRobinson's Avatar
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    I would have thought that a late model A would have insert bearings instead of babbit rods.
    BigJim55, JD322, Cjet69 and 1 others like this.
    Don

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    Cjet69's Avatar
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    Quote Originally Posted by DRobinson View Post
    I would have thought that a late model A would have insert bearings instead of babbit rods.
    I think it was built just shy of when they switched over.
    DRobinson, BigJim55, JD322 and 1 others like this.
    John Deere: 322, 318, 316, 214, GT225, LX255, 165, 111H, 111, SX95, SX75, RX73, F525, STX38
    John Deere Gator 6x4 #1
    John Deere Gator 6x4 #2
    Sears: SS14, GT18, 16/6
    Craftsman: 18.5 46, LT4000
    Cub Cadet: 1450, 124, 1220
    Simplicity: 725, 3415H
    Homelite: CT-10
    MTD: 990
    Montgomery Ward: 14 variable speed
    Dynamark: 12/38
    Bolens: 1050
    Case: 444

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    flyweight's Avatar
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    Thanks for posting this.

    It brings back good memories.
    DRobinson, Cjet69 and Fozsey like this.
    Michael

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    Cjet69's Avatar
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    With the crank out of the way I was able to get a good look at the oil pump screen. Looks like lots of sludge build up like most of these old tractors. I'll be dropping the pump out for a good cleaning.
    Attached Thumbnails Attached Thumbnails 100_9843 (Medium).JPG  
    John Deere: 322, 318, 316, 214, GT225, LX255, 165, 111H, 111, SX95, SX75, RX73, F525, STX38
    John Deere Gator 6x4 #1
    John Deere Gator 6x4 #2
    Sears: SS14, GT18, 16/6
    Craftsman: 18.5 46, LT4000
    Cub Cadet: 1450, 124, 1220
    Simplicity: 725, 3415H
    Homelite: CT-10
    MTD: 990
    Montgomery Ward: 14 variable speed
    Dynamark: 12/38
    Bolens: 1050
    Case: 444

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    Cjet69's Avatar
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    Didn't do much today, but I did Mic the old crank to compare it with the used one. The journals all measure the same between both cranks so it looks like it will work just fine. If I'm lucky I won't even have to pull any shims out of the rods or mains, but we will see once its back in the crankcase.
    BigJim55, flyweight and Fozsey like this.
    John Deere: 322, 318, 316, 214, GT225, LX255, 165, 111H, 111, SX95, SX75, RX73, F525, STX38
    John Deere Gator 6x4 #1
    John Deere Gator 6x4 #2
    Sears: SS14, GT18, 16/6
    Craftsman: 18.5 46, LT4000
    Cub Cadet: 1450, 124, 1220
    Simplicity: 725, 3415H
    Homelite: CT-10
    MTD: 990
    Montgomery Ward: 14 variable speed
    Dynamark: 12/38
    Bolens: 1050
    Case: 444

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    Quote Originally Posted by Cjet69 View Post
    Didn't do much today, but I did Mic the old crank to compare it with the used one. The journals all measure the same between both cranks so it looks like it will work just fine. If I'm lucky I won't even have to pull any shims out of the rods or mains, but we will see once its back in the crankcase.
    Looks like a major but fun project you have on your hands. Lots of work but the end result will be worth it
    johnH123, Cjet69 and Fozsey like this.

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