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Thread: Big cat v8 start up

  1. #1
    Join Date
    Mar 2015
    Location
    north idaho
    Posts
    572

    Default Big cat v8 start up

    https://youtu.be/BbTU_lMZVSQ
    From Jim Coles at Whitefish

  2. #2
    Join Date
    Dec 2006
    Location
    victoria australia
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    3,097

    Default D346

    Hi Gary,
    Thanks for posting this. Along with the D343 and the D346 engines are among my favorite Cat Diesels, first came across them back in first year or so of my Apprenticeship at The Dealer. We had to roll in some upgraded main bearings to some new Parts Stock engines from Cat of Australia Parts Dept.
    The start up afterwards was exciting stuff for this wide eyed green teenager.
    Even at 74 I have never lost the thrill of starting a rebuilt engine or one that has not run in years--bring it on.

    Seems his glow plugs were not working well as these things require a lot of glow plug heat time to cold start--BUT the big black cloud and injection rattle are signature features of any start of these jiggers.
    Love IT.
    Cheers,
    Eddie B.

  3. #3
    Join Date
    Nov 2006
    Location
    Alaska
    Posts
    50

    Default

    Be still my beating heart ! Real cat engines start!not that phoney epa approve no smoke fast starts we have today. 3516 mechanical with electric start good too. Especially after you just rolled a crank into the beast.and been working double shifts to get it done...
    One of our techs recorded a 3516 starting and used it as his ringtone on his phone thatís was fun

  4. #4
    Join Date
    Nov 2007
    Location
    NW Ohio
    Posts
    3,366

    Default

    Quote Originally Posted by 3512B View Post
    Be still my beating heart ! Real cat engines start!not that phoney epa approve no smoke fast starts we have today. 3516 mechanical with electric start good too. Especially after you just rolled a crank into the beast.and been working double shifts to get it done...
    One of our techs recorded a 3516 starting and used it as his ringtone on his phone thatís was fun
    Thats funny, this is my ring tone, I know that sound anytime! lol
    https://youtu.be/PGSh4wlGG-Y

  5. #5
    Join Date
    Apr 2012
    Location
    Moose Lake, MN, USA
    Posts
    3,509

    Default

    Quote Originally Posted by edb View Post
    Hi Gary,
    Thanks for posting this. Along with the D343 and the D346 engines are among my favorite Cat Diesels, first came across them back in first year or so of my Apprenticeship at The Dealer. We had to roll in some upgraded main bearings to some new Parts Stock engines from Cat of Australia Parts Dept.
    The start up afterwards was exciting stuff for this wide eyed green teenager.
    Even at 74 I have never lost the thrill of starting a rebuilt engine or one that has not run in years--bring it on.

    Seems his glow plugs were not working well as these things require a lot of glow plug heat time to cold start--BUT the big black cloud and injection rattle are signature features of any start of these jiggers.
    Love IT.
    Cheers,
    Eddie B.
    The engine had been running for a while before lunch. Then Jim did a talk on the development of these large Cat engines when the need for bigger equipment to build the interstate highway system was prevalent. I don't believe the glow plugs were activated after Jim pulled it in front for the demo. I think the rain had cooled if off a little quicker than was expected. If I remember correctly this engine has only a 100 and some hours from new. Jim was on the design team at Cat that was assigned the task to develop these engines. I also love the sound and smoke of these engines on startup. It was a great day at the Snow Ghost Ranch even with the unseasonal rain.
    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

  6. #6
    Join Date
    Mar 2015
    Location
    north idaho
    Posts
    572

    Default

    Cant believe how smooth that thing ran
    Jim is a good knowledgeable speaker and a nice guy. I enjoyed talking with him and others from the club
    His collection was impressive but I dont think he's any more curable than the rest of us

  7. #7
    Join Date
    Nov 2006
    Location
    Alaska
    Posts
    50

    Default

    When I was at Ringpower last summer for a class We talk bout this engine in a proatype generator.
    Did anyone ever see one?

  8. #8
    Join Date
    Nov 2006
    Location
    Pittsford NY
    Posts
    4,475

    Default

    Is that the same engine that's in the 660/666's tractor? Sounds very smooth, not your usual lumpy V8 sound.
    Cheers,
    Neil.

  9. #9
    Join Date
    Apr 2012
    Location
    Moose Lake, MN, USA
    Posts
    3,509

    Default

    Quote Originally Posted by Neil View Post
    Is that the same engine that's in the 660/666's tractor? Sounds very smooth, not your usual lumpy V8 sound.
    Yes it is.
    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

  10. #10
    Join Date
    Sep 2010
    Location
    Paso Robles, California
    Posts
    714

    Default And a Few More

    Quote Originally Posted by Neil View Post
    Is that the same engine that's in the 660/666's tractor? Sounds very smooth, not your usual lumpy V8 sound.
    This engine also came in the 641's, 651's and 657's.
    D-4 7U-43159 with 4S dozer and Cat 40 scraper, D-7 3T-1179 with Cat 7S hydraulic dozer, D-7 17A 13,944, D-8 14A-1160 with Cat 8S cable dozer, Cat 12-99E-4433 Grader. All runners and users.

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