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  1. mclean

    any one heard of a fox 412-4 ? its a skip loader, built by fox?

    I just bought a fox. Ive never heard of it, and the internet is blank. neat skip loader. simple.
  2. mclean

    Simon 32/21 aerial platform mechanics?

    I've got a early 90s Simon 32/21 platform lift with a Diesel engine. The thing will barely move when the platform isn't stowed. Anyone know a resource to find a wiring/ hydraulic schematic? I think the machine must have an auto slow function when the boom is up? I'd like to adjust the relief...
  3. mclean

    Aftermarket Final drives .. Alibaba or 'u s' aftermarket?

    Looking at replacing a leaky final on a PC 75uu. Pricing on Alibaba hard to ignore.. Anyone familiar with the industry? The us suppliers selling the Chinese aftermarket ones? Is there a reason to fear Alibaba? I see some us sites offer lifetime warranty. Kinda tempting? Price from China...
  4. mclean

    Layton drag box pavers

    Have an old Layton drag box paver, Im curious if I can modify the wheel locks to work with the pintle hitch rather than riding on the wheels? All our trucks have aluminum wheels and I'm not really wanting to put these rollers in them. Better to just get the plastic wheels? Seems pretty easy...
  5. mclean

    Yutani excavator info? 120? 140? Year?

    Hey, looking at an older mdi/ yutani excavator. S/n YP0468 Can anyone get a year out of that? Will undercarriage parts be easy to find? Pins are worn out. Looks like a nice simple machine. Pilot controls, piston oump, Mitsubishi engine. Doesn't leak too bad. Thanks for anything!
  6. mclean

    1150b life span?

    Curious if anyone has an opinion on the lifespan of a medium sized dozer. I recently bought a 1150b, and the hour meters at 1200, only 4 digits. Machine runs and operates well. But the pins and bushings in all the key areas are spent. Is this likely a 11000 hour machine? Or would a dozer...
  7. mclean

    Cat 312 thumb cylinder hissing when extending, new installation..

    Put a used Jones thumb on a cat 312 excavator. The cylinder hisses when extending? Its all -12 hose and fittings, there is an adjustable relief valve between a/bb hoses just after the valve block. Goes away as the psi is dropped. Hisses at an idle, screams at operating rpm. Cylinder...
  8. mclean

    Cat 312 aux spool and related pilot line question

    Are the capped ports the aux circuit, or is there more to this than it seems. Where are the pilot lines going? They're in an oily abyss, not too keen on tracking by hand if anyone knows where they go.. I've got the under cab plates off and can't find any capped hoses. Thanks for...
  9. mclean

    Cat 312 hydrqulic rotation hub? Rotary manifold rebuild question..

    I've had this 312a for a couple months. Never worked too hard just around the shop or loading stuff onsite. The tracks have been week since I bought it. Won't turn with out the help of the boom and spin.. I took out the rotary hub this morning, and there are no seals in the lower 5...
  10. mclean

    Dynapac lp650 with hatz diesel problems

    I'm working on a mid 90s Dynapac walk behind double drum roller. Has a hatz e780 single cyl diesel. The engine start easy with no smoke, but will not hold an idle, and has no throttle response what so ever. Will slowly rev up and down and eventually die. With no smoke. I suspect a rod...
  11. mclean

    welding loader wheels

    Ive got an older h50 hough international wheel loader. The tires were shot. I had some military truck tires sitting around, so I cut the centers out of the 24" tractor/ loader wheels. And welded the 12 lug pattern onto the 20" military wheels. The tractor wheels were 3/8 the military wheels...
  12. mclean

    Old John Deere 490 excavator opinions

    Im going to look at an old (mid to late 80s) 490 deere excavator. Curious if anyone has an opinion on these machine? This would be our first jd machine. Is this a Hitachi uh06 with a different engine? Feel better about it if I knew it was a Hitachi.. Any one know if the earlier machines...
  13. mclean

    Need help cracking the code on a Hitachi 120-2 with pump control issues

    Ive been dealing with a slow hitachi 120 for about a year now. The problem seems to be pump sensor related. Ive had the machines pump solenoids plugged in backward for the past year. This made the machine quick enough and powerful enough to move and do simple jobs. If the solenoids were...
  14. mclean

    EX120-2 pump control issues - swap to mechanical?

    I have an EX120-2 machine. I bought it with a bad oil cooler, so I wasn't really able to warm it up and test it thoroughly. Now that the cooler is repaired I'm able to warm the machine up and now have a more elusive problem.. The machine is very sluggish after about 10 minutes of use. The...
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