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overheating

  1. M

    JCB 3cx overheating

    Good day, i have a 2006 JCB 3cx backhoe with engine overheating issue. Quick history: Crankshaft broke, overhauled engine with new standard Crankshaft and bearings. Now all of a sudden engine overheats when driving or working hydraulics. Transmission oil temp light also goes on. Running the tlb...
  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?
  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...
  4. Y

    966H coolant overheat issue

    Hye, new guy here at work and need some experienced people advise. We have a CAT 966H here and need some opinions on troubleshooting this issue (as per title). Not sure if this was posted anywhere in the forum previously but can't find any similar forum title. Thanks in advance to anyone that...
  5. D

    Insulating foam for the air intake of coolers

    There is a question that I have, I have seen many machines that do not have the insulation in the air intakes of the coolers, so what foam or material should I use to replace the insulators that come originally? Without posing a risk of fire or flammability
  6. J

    hyundai 220hx overheating.....

    I blew out all filters and coolers first. Machine continued to overheat Then power washed radiator and all coolers. changed thermostat and fan belt. Fan clutch seemed fine. Machine continues to overheat. Doesnt do it immediately, will run most of the day before overheating. Next steps or any...
  7. A

    700H Overheating

    I'm trying to help a buddy with his 700H that is now overheating. Ironically he bought it used and until 3 weeks ago he couldn't get any heat. For real no heat, in the cab that is, (I forgot to say he's running this machine in Alaska pulling a drag building winter trails) anyhow... I replaced...
  8. ScottP

    GENIE S45 HYDRAULICS FADE WHEN HOT

    HELLO GUYS IVE GOT AN ISSUE WITH MY GENIE MANLIFTS LOSING HYDAULIC SPEED WHEN THEY HEAT UP..WHY ARE THE HEATING UP ALL THE SUDDEN? IVE CLEANED ENGINE OIL COOLER JUST FOR ARGUEMNT SAKE I GUESS..HYD FLUID LEVEL IS UP TO SPEC.. AMBIENT TEMPS ARE NORMAL FOR SOUTH MISSISSIPPI SUMMERS..DOES NOT HAVE...
  9. R

    d5k problems

    I'm having some problems with my 2016 cat d5k xl. she is about 4,500 hours old, she started to heat up a few weeks ago and since then i've been washing her radiator every week, until it didn't solve the problem anymore. This week she turned on the red warning light on the dashboard, but no beep...
  10. Crisanta

    Cat D4H overheating the converter transmission

    Hello dear I have this dozer CAT year: 1986, model D4H, serial: 08PB00451, série II We have recently bought this dozer, upon couple hours I noticed the overheating in the transsmision, we have decided to replace the next parts, 3T8316 planetary transmission sn 1CE514-1675 ...
  11. S

    CAT 305 hydraulic oil heating problems

    I have a 2004, CAT 305 CR and I am having a problem. The machine runs smoothly for approximately 1.5 to 2 hours and then gradually looses power to the point that the engine stalls when performing lightly loaded hydraulic movements. I can prevent it from stalling by eliminating the load. It does...
  12. R

    Komatsu WA200 overheating

    Machine is a WA200PZ-6. Customer said it used to overheat maybe once every couple weeks when they worked it extra hard, now it will overheat after 20 minutes of just driving around. Replaced thermostat, no change. Checked fan speed against spec, fan speed is actually 50 rpm higher, verified...
  13. E

    Gehl 6640 Overheating

    Hello, I need help troubleshooting a 2009 Gehl 6640, Tandem pump, hi and lo flow, duetz engine. This machine was bought at auction and I have been working on getting it running correctly. It was full of dirt and heavily leaking hydraulics, so far I've cleaned it out, taken out the dual hydraulic...
  14. B

    Komatsu PC90 Overheating Issue

    Hello everyone, I have a Komatsu PC90 that overheats after about an hour of use. I have changed all cooling related parts such as new radiator, thermostat, cleaned between radiator and oil cooler, inspected fan and foam seals around fan. Nothing has not improved it. I can run without issues if...
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