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I have a 120 Hitachi that the left hand travel motor slow.
I have a 120 B Hitachi that the left hand travel motor slow . All my pressure checks out good . Case drain test looks good. If you curl the bucket in either direction the motor will seed up. This happ… read more
Dan
Dan
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Auto Mechanics 1&2/diesel mech
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Kobelco sk100 boom won't lift, bucket won't curl and right
Kobelco sk100 boom won't lift, bucket won't curl and right side track won't move. … read more
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PAPA Chris
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I have a 1996 Hitachi EX 120-5. I just purchased this
Hi, I have a 1996 Hitachi EX 120-5. I just purchased this machine and after an hour and a half of running the main boom is stuck in the down position and lifting the machine … read more
Dan
Dan
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I have a 610 bobcat the bucket wont go up or curl. It is 610
Changed the hydraulic pump and filter. It worked for a couple of days then just quit working … read more
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Get chatter when lowering loader bucket on case 580 super L
get chatter when lowering loader bucket on case 580 super L backhoe when feathering descent … read more
Wayne
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1200 hours on 4310, 430 bucket. last winter the dealership
1200 hours on 4310, 430 bucket. last winter the dealership rebuilt the lift valve. Now it raises and lowers fine but when I go to curl the bucket it goes the opposite way unless I feather it. it has n… read more
Dan
Dan
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Auto Mechanics 1&2/diesel mech
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This is not something I am looking to fix today and I am not
This is not something I am looking to fix today and I am not in front of the machine so I would have to wait to answer additional questions. Right now I am just researching. I have "inherited" an old … read more
Curtis B.
Curtis B.
Technician
Associate Degree
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I have a nd 70d. Just did remain pump cleaned tank and new
I have a nd 70d. Just did remain pump cleaned tank and new filters. Boom up and bucket curl are slow but boom down is fine. If I swing and boom at same time boom goes faster … read more
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I have a 1988 Cat 416 Backhoe. Recently while digging the
I have a 1988 Cat 416 Backhoe. Recently while digging the boom suddenly seemed to loose most of its lifting capability. It can barely lift itself but if the extended part of the stick isn't out or the… read more
catmastertech
catmastertech
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Vocational, Technical or Trade Scho
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I have a Kubota L3450, with a LA650A loader on it. The
I have a Kubota L3450, with a LA650A loader on it. The bucket will raise & lower, the bucket will also roll forward to dump, but the bucket will not tilt back. I have checked all of the connections. I… read more
Curtis B.
Curtis B.
Technician
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I have a E120B manufactured in Japan, PIN: 6JF000668 Arrang.
I have a E120B manufactured in Japan, PIN: 6JF000668 Arrang. No: 9X0538 Engine type: 3114 Eng. Serial No: 2ZF03201. The machine is equipped with external hydraulic hammer fluid lines. These are used f… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,330 satisfied customers
Case 580e put front bucket all the way in dump position
Case 580e put front bucket all the way in dump position before storing for winter. Now bucket will not curl. All other hydraulics fine, loader lift, all backhoe functions work no issues. … read more
Curtis B.
Curtis B.
Technician
Associate Degree
2,324 satisfied customers
I have a 311u cat excavator. The pilot control valve is on
I have a 311u cat excavator. The pilot control valve is on backhoe control. No matter where I move the selector I can't get to cat controls. I believe someone has changed lines. Is there a drawling to… read more
Dan
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Auto Mechanics 1&2/diesel mech
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Will a complet unit from a 1800 fit on an 1900-6, Don't have
Will a complet hoe unit from a 1800 fit on an 1900-6 … read more
Dan
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I have a grey machine, cat 311c and it keeps throwing up
I have a grey machine, cat 311c and it keeps throwing up codes e004, err6, & a err9... Can you tell me what these codes are and how to fix it… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
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I have a 2002 Cat 312b tracks move very slow in the forward
I have a 2002 Cat 312b tracks move very slow in the forward direction they do move a little bit faster if you dead head the bucket.… read more
catmastertech
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Vocational, Technical or Trade Scho
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Im working on 334 G series 2005. with the selector valve in
I'm working on 334 G series 2005. with the selector valve in the A position arm does not curl or extend. in B position arm creeps all the way up and is difficult to put back down. Additionally i can h… read more
Fieldtech59
Fieldtech59
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looking for information on komatsu excavator PC228UU-1 with
looking for information on komatsu excavator PC228UU-1 with serial number 10549. Is there a sight I can look up?… read more
Fieldtech59
Fieldtech59
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Meet the Experts:

Curtis B.

Curtis B.

Technician

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Technican turned service manager with multiple lines of equipment and rental units.

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Wayne

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dieseldan55

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Chris (aka- Moose)

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Steve

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Heavy Equipment Mechanic for 25 years

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JBFixxer

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16+ years experience, hydraulics,hydrostatics, engines, fuel injection systems. And everything in between.

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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