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crankshaft

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abouthalfway
10+ Years
10+ Years
Posts: 23
Joined: Mon Jun 02, 2003 9:15 pm
Location: blue creek, oh
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crankshaft

Postby abouthalfway » Mon Jul 19, 2004 3:55 pm

Does anyone know the original measurements of a crankshaft is. I tore into my lo-boy the other day and found the crank in 2 pieces. I have never seen an engine run with a broken crank before, but I have to fix it. Also can someone give me an estimate how much it would cost to turn a crank? And while I am at it where is the best place to purchase new bearings. thanks guys.......

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artc
Cub Pro
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Posts: 1871
Joined: Sun Mar 30, 2003 10:25 am
Zip Code: 06457
eBay ID: cmtelephone
Tractors Owned: Restored: 1950 Cub, 1950 Cub Demo, 1948 super AI, 1935 Silver King, 1946 Oliver 60 RC, John Deere M, 1950 C demo.

In working clothes:
1950 cub, 1948 cub, 1941 A, 1948 H, 1963 B414, 1958 240U, 1947 Oliver 60 industrial, Oliver 70 industrial. IH 450, 1963, another 1948 cub, 1946 I6 with Trogan front blade.
Location: CT, Middletown
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Postby artc » Mon Jul 19, 2004 4:33 pm

yup, if the break in the crank is at an angle an somewhat supported, the break will turn cause it's pressed together and the engine will still run. i had an Artic Cat snowmobile that i ran 250 miles with a broken crank. I noticed it started shaking a little and loosening up bolts. got worse and worse and started burning up the drive belt. limped it back to the hotel on the road. i was stunned when i took it apart, because those motors turn 9000 rpm :!: it should have grenaded.
'If they're tappin', they're not burnin'
http://www.ZagrayFarmMuseum.org


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