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Thread: Wanted, 3304 crank shaft or complete engine

  1. #1
    Join Date
    Apr 2012
    Location
    Moose Lake, MN, USA
    Posts
    3,618

    Default Wanted, 3304 crank shaft or complete engine

    Hi folks, I got a cracked crankshaft in the D4D I picked up with the knock in it. I am on the hunt for one. Thanks in advance.
    Roger
    1937 Cat #11 tandem auto patrol,diesel, w/plow and wing, 6K506SP, 1937 RD 4 Ag Crawler RD5356, 1939 Cat 22 2F5429, 1952 Model 212 Grader 9T03427, 1953 2U D8 Dozer 2U20751, 1961 922A Rubber Tired Loader, 59A812, LeTouneau LS Cable Scraper, Cat/Lincoln 600 AMP Dual Welder, DW-21 Cat Scraper, DW-10 dump wagon/water wagon

  2. #2
    Join Date
    Nov 2007
    Location
    NW Ohio
    Posts
    4,130

    Default

    Check with Republic Diesel, Louisville Kentucky, been in business since 1911, excellent precision machine work, reman parts also. 502-561-2201

  3. #3
    Join Date
    Jul 2008
    Location
    California
    Posts
    212

    Default

    Check out Machinery trader there are cranks on there. Is yours 330 or 3304? The crank in mine is pretty well worn to the limit but still goes and has some oil preasure. 78A D4 has the 330 and uses a 8M4505 crank there are other #s that fit also. Anyway good luck.

  4. #4
    Join Date
    Oct 2010
    Location
    Cincinnati, Ohio
    Posts
    8

    Default 3304 crankshaft

    I have two candidates. Can you furnish forging numbers from bad crank.

  5. #5
    Join Date
    Nov 2016
    Location
    ocheyedan ia
    Posts
    2

    Default 3304

    4N7694 with .030 Rods / .020 Mains Fresh grind 712-758-3720 located in Iowa

  6. #6
    Join Date
    Apr 2012
    Location
    Moose Lake, MN, USA
    Posts
    3,618

    Default

    Quote Originally Posted by zmachine View Post
    4N7694 with .030 Rods / .020 Mains Fresh grind 712-758-3720 located in Iowa


    Thanks. Calling you. EDIT Seems to be a fax number. Sent a PM with my number.
    Last edited by old-iron-habit; 04-06-2020 at 01:22 PM.
    1937 Cat #11 tandem auto patrol,diesel, w/plow and wing, 6K506SP, 1937 RD 4 Ag Crawler RD5356, 1939 Cat 22 2F5429, 1952 Model 212 Grader 9T03427, 1953 2U D8 Dozer 2U20751, 1961 922A Rubber Tired Loader, 59A812, LeTouneau LS Cable Scraper, Cat/Lincoln 600 AMP Dual Welder, DW-21 Cat Scraper, DW-10 dump wagon/water wagon

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