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    Looking for open source mechanic software for doosan loaders.

    Looking for open source mechanic software for doosan loaders. Any experience or can lead me to the right place, only stuff ive seen i ls really cheap overseas.
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    Case 521d 46115 code. Open circuit to K1

    Yesterday all kinds of wierd started happening with our 521d, won't shift gears 1-4 at all, the quickshift on joystick(singlestick) only works if you have brake on hard while going f-n-r otherwise will kick the feature off. Then tried the transmission recalibration and it stop flashing...
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    250-5 2020? Doosan issues

    Just picked up some used 2020(supposedly) 250-5 doosans, some obvious issues and some need some help. Both throw scr warning when keys turned on and a CEL. Need to figure out how to read the codes and go from there. One has a obvious steering issue, steers very stiff and hydrolic pressure when...
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    Hyundai 770 with zf 4wg-260 throwing codes 15-93-94

    Replaced a bad master switch with a brand new nother bad one! Then ran great for a day then no start with tranny coded 15,93,94. Any ideas what's going on?
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    744H ZF jackhammers in and out of gear

    Hello, have a 744H that just jackhammer in and out of gear, like the TC won't lock it into gear. Intermittently does it in all gears, oils clean as a whistle. What's going on! Not letting me upload the video for some reason!
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    93 champion 780 tranny troubleshooting!!

    I have a 1993 780A with the 8400 transmission in it. It is not getting the power to the wheels from something slipping etc. the more load you put on it the more it slips, pop the clutch in gear it it tries to go put if theres any load at all it doesn't have enough power to turn the wheels. I...
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    Hitachi 120-3 manual please

    Does anyone have a link or can send me a manual? Email jaws136 at hotmail dot com.
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    780 Champ supplemtal steering issues

    We have two 780 series III champions and both are experiencing supplemental steering issues. I'll just start with one for now, haha. So when you turn the key on and the "charge pump" comes on to allow you to push the clutch pedal in and disengage the hydrolics, then doesn't it go off unless it...
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