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  1. Oldboy

    Caterpillar 980M fault codes

    We have received a 2018 980M from Europe. Current hours 8590 It operated okay for an hour but now we have some faults and codes. It still drives, no auto greasing. We have managed to get some Sims history and have learnt a little bit. With a non dealer mechanic who has some access with laptop...
  2. Oldboy

    Cat D7R-II diagnostics

    Hello there, I am trying to evaluate a D7R-II that we have received . I have also received a computer download from the machine. It indicates machine has done 15,605 total hours On the shot of a page attached it also says Logged diagnostic code 9721 hours What does this mean? Is there a...
  3. Oldboy

    Volvo L150H wheel loader fault codes

    Hello we have an L150H loader arrive here and after its first big run it is showing fault codes as per the photos. SCR system failure etc and one that looks like an old one but still active Reversing Alarm circuit. Might be a simple short in the wiring system we haven't checked that out yet...
  4. Oldboy

    Bell Equipment- parts supply

    Hello We have 2 older Bell B20B articulated dump trucks. 1997 year manufacture I'm looking for a parts supplier anywhere in the world that may carry parts for these older models. Used and / or new. Please drop me a line if you've got some ideas. Thanks Michael.
  5. Oldboy

    Volvo L70H fit 3rd hydraulic function

    Hello has anyone fitted a 3rd hydraulic remote valve set up onto a current model Volvo loader? Did you use an alternate to the factory supplied kit? OEM genuine is outrageously expensive but may be the only option, I hope not. thanks for any help cheers Michael.
  6. Oldboy

    Komatsu WA430-6 hydraulic system overheating

    Hello again, we have supplied a used Komatsu loader to a job and the hydraulics are overheating. Within one hour of putting the loader into a medium workload job, the hydraulic temperature goes to the top of the gauge and the machine goes into limp mode. The following points are worth noting...
  7. Oldboy

    Komatsu PC210LC-7 Hydraulics non operational

    Komatsu PC210LC-7 Japanese build We replaced the seal kits in both boom lift cylinders and ran the machine briefly - all good We then removed, resealed, replaced the dipper arm activation cylinder on the top of the boom- not good This cylinder retracted then the hydraulics would no longer...
  8. Oldboy

    Bell B30C artic dump truck- vibration

    Hello, I have just acquired a 2002 Bell B30C ADT with about 17,000 hours on it. It has a Mercedes Benz V8 engine which seems to run perfectly. possibly a ZF transmission. It has a very serious vibration when you rev the engine to or above low + revs. In neutral gear or driving its the same. You...
  9. Oldboy

    Volvo EC240CL electrics

    Hello, I have the above excavator and the control panel ( dash board readout) and AC and some other electricals wont activate. Some are still working, including the lights and wipers. I have checked all the fuses and they are good. I have pulled a couple of obvious wiring harness connections...
  10. Oldboy

    Volvo FM12 Water truck- no revs

    I have a Volvo FM12 (water truck) built 1999 6 x 4 configuration. 380 or 420HP engine A good old truck it runs well. But it has some electrical problems. No tacho, no speedo. No revs. It gets to about 1/2 max revs and won't go any harder. We have checked fuses Replaced fuel filters No relevant...
  11. Oldboy

    Volvo F727 with TD70F engine- smokes on start

    Hello, I have acquired an F727 Volvo 6 x 4 water truck. It starts easily and runs well. Built in 1980 + or thereabouts, fitted with TD70F engine. When left overnight and started, it blows an incredible amount of smoke. This settles and goes away after the engine has been warmed up properly. It...
  12. Oldboy

    Caterpillar 950G-I problems x 3

    Hello, we have just acquired a series 1 (5MW) 950G loader and it has 3 issues (so far) . It has worked nearly 20k hours, it runs really well ,we don't know the service history but it's tight and been well maintained. Could well have been rebuilt at some stage. 1/ The alarm continues beeping and...
  13. Oldboy

    Komatsu WA480-5H transmission issue

    Hello, we have acquired a used Komatsu as per below: WA480-5H 2002 year 27,000 hours no available service or component history Problem: the transmission is fitted with a very very fine gauze filter which blocks up and prevents the machine from driving. When filter is replaced ($500 a go) it...
  14. Oldboy

    Hyundai-Cummins blowby issue

    We just acquired a very tidy, 5,900 hour 2007 year Hyundai HL760-7 wheel loader It is fitted with a Cummins QSB5.9C engine. The engine starts and runs well, plenty of power and no excess exhaust smoke. But blowby, never seen anything like it. (venting pipe comes from the side of the block, above...
  15. Oldboy

    Hyundai-Cummins blowby issue

    We just acquired a very tidy, 5,900 hour 2007 year Hyundai HL760-7 wheel loader It is fitted with a Cummins QSB5.9C engine. The engine starts and runs well, plenty of power and no excess exhaust smoke. But blowby, never seen anything like it. (venting pipe comes from the side of the block, above...
  16. Oldboy

    Komatsu WA250H-5 "drag" problem

    Hello forum, we have just taken delivery of a used Komatsu WA250-5 as above. It does everything it should but I notice when operating it, if you take your foot off the accelerator it very quickly comes to a stop. A bit like you applied the brakes. We put it in the workshop jacked the whole...
  17. Oldboy

    John Deere 670CH throttle/ fuel issue

    Hello experts, we have a JD670CH which has about 3000 hours on rebuilt engine, fuel injector system etc. It has developed a problem where it briefly drops power under load; engine will "flutter" and revs run up and down of their own accord while idling. Have checked electric connections on...
  18. Oldboy

    Caterpillar IT38G 4th gear lock out?

    Hello, I have just acquired an IT38G wheel loader/tool carrier. It drives and operates well. has about 16,000 hours on it. But I cannot get it to move into 4th gear. ( forward or reverse) Its strong in all other gears, and moves quite smoothly up and down. But rev it out in 3rd, click to 4th...
  19. Oldboy

    Cat IT38G transmission fault

    I recently bought a Cat IT38G 7BS series, which I discover has a transmission fault. I have very little history other than new wiring harness and solenoids have been fitted in the transmission area before I purchased it ( I know- suspicious). The loader has none or very little drive in...
  20. Oldboy

    Cat D8T leaking piviot shaft seals

    Another job that was recently "repaired" but now having issues. The pivot shaft is leaking a lot on RH side and a bit less on the other side ; both while machine is operating and while standing idle. We are using as recommended 50 weight oil. This job was repaired by an earlier mechanic, and...
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