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3408

  1. JFMachado

    3408 Cat Gen Set - SR4 “67U0/5JA0” Early 70’s- Parts Needed

    So we have this old girl at our dairy farm and I’m looking for some parts and having no luck. Caterpillar was unable to locate any parts for my model. The fuel shutoff solenoid we currently have was modified. Looking to put the correct one for this motor. Also if anyone has a user manual or...
  2. P

    3408 leak down test

    Hey guys, has anyone done a cylinder leak down test on an old 3408? Or a better way to test for a blown head gasket or cracked head?
    • PHDiesel
    • Thread
    • 3408 631d cat cylinder gasket head overheating scraper
    • Replies: 2
    • Forum: Scrapers
  3. P

    CAT 631D overheating

    Hey guys, Got a 631D with a 3408 engine overheating. Top radiator hose measures 110-120 degrees Celsius. But the bottom hose is back at 70 degrees Celsius. Engine is still overheating into the red and the top tank seems to be pressurised severely. Just had the radiator out and flushed at a...
    • PHDiesel
    • Thread
    • 3408 cat caterpillar overheating scraper
    • Replies: 6
    • Forum: Scrapers
  4. 9

    Cat D9N 3408 coolant loss

    Gday guys. I have started to find a few issues in my 3408 engine. Coolant loss in my system has been approximately 20-30 litres over 15 hours however most of this is expelled through the cap when I take it off to check it sometimes. The engine has not been getting hot however the radiator is...
    • 988Driver
    • Thread
    • 3408 caterpillar coolant in oil d9n head gasket? turbo
    • Replies: 7
    • Forum: Dozers
  5. J

    NEW & USED CAT PARTS for sale

    OR-5547 CORE ASSEMBLY reman (new from cat in the box) $1000 (cost $2136) COMPATIBLE MODELS Wheel Tractor-Scraper 637G 627F 637E 627E 621E 621S 627G Track-Type Tractor 11U 11SU D11N D11R 11 0R-4679 Water Pump $500 (3408) 10R-0482 Water Pump $400 (3406)(c) (b) 0R-3615 Alternator $350...
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