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  1. R

    Mini excavator final drive question

    One step forward, two steps back…… in my previous post I explained my solution to my high speed travel on my 2000 hitachi ex35u not working. Well, the high speed travel engages now but only on one side and it gets stuck in high speed until I shut the machine off. the side that doesn’t go into...
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    Solenoid valve modification for ease of replacement

    2000 hitachi EX35U. Bought two years ago, been pretty much restoring it and getting everything back up to par. Current project, getting the two speed travel to work. After investigating I determined the coil for the solenoid valve that engaged high speed travel was bad. Dealership doesn’t sell...
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    Hitachi EX35U final drive question

    Almost done giving my 2000 hitachi EX35U a quick restoration. At one point in the project I realized the fluid leaking from one of the final drives in the motor chamber of the undercarriage was actually gear oil. The final drive flange that bolts to the undercarriage was cracked and the crack...
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    Need help with 2001 hitachi ex35u drive motor

    I removed my drive motor to replace the large O ring I suspected was leaking. Replaced the o ring and now as I’m trying to tighten the 7 Alan head bolts that hold the motor to the final drive I get them tight with my small dewalt 20v impact but there is still an 1/8” gap between the motor and...
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    Isuzu 3ld1 blow by????

    My 2001 hitachi ex35u mini excavator has an Isuzu 3ld1 in it. I pressure washed the mini a bunch before I disassembled it to give it a new paint job and make everything newish again and after pressure washing it I found I had moved a bunch of grime over to the end of the crankcase vent tube and...
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    2001 Hitachi ex35u Questions

    Hi, recently bought a used hitachi ex35u mini from a friend for a good price. Used it a lot this summer, works great, kept note of any flaws, and this winter started taking it apart for a paint job and anything else it needed because I like to have things nice and in order. 4500hrs on it. first...
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    Isuzu 3ld1 crank pulley question

    Hi. New here. I have a 2001 hitachi ex35u mini excavator with a Isuzu 3LD1. I’m doing a small restoration on the excavator and have the engine out to paint it. I noticed the crank pulley can be spun independently from the crank. There is resistance but it is not “loose” and doesn’t wobble. Also...
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