Heavy Equipment

Heavy equipment repair questions? Ask an Expert now.

Connect one-on-one with {0} who will answer your question

Related Heavy Equipment Questions
I have Volvo ec 290 blc excavator fell through ice was in about
I have Volvo ec 290 blc excavator fell through ice was in about 4 feet of water was clawing my way out when I lost all hydraulics seemed like something got wet. does this machine use electric over hyd… read more
Rudolph Diesel
Rudolph Diesel
Service manager/ Master mechanic
Vocational, Technical or Trade Scho
1,918 satisfied customers
I have a Cat 236 skid steer. When operating the engine will
I have a Cat 236 skid steer. When operating the engine will drop in RPM, and the hydraulics will not respond correctly.. i.e. some controls will move, but they are very slow. If you lift the safety ba… read more
catmastertech
catmastertech
Technician
4,195 satisfied customers
I have a hydraulic problem on my Bobcat 328 Excavator. It is
I have a hydraulic problem on my Bobcat 328 Excavator. It is a D-Series machine. I have both the parts and service manuals. The problem is the boom has very little power. All of the other hydraulics a… read more
Daniel Wilson
Daniel Wilson
Associate Degree
1,343 satisfied customers
EXCAVATOR..Hydraulic system..controls..valves..the pedals/hand levers
CAT EXCAVATOR 315L Serial # XXXXX (Year 1993 > 1995). Hydraulic system controls. In particular the track control valves & lines attached to the pedals/hand levers . While driving across an open fie… read more
catmastertech
catmastertech
Technician
4,195 satisfied customers
I have a cat 312 bl excavator (1998) and someone has changed
I have a cat 312 bl excavator (1998) and someone has changed the control pattern .I can not find a box on this machine for a quick change and will have to move hydraulic hoses to return this to the sa… read more
catmastertech
catmastertech
Technician
4,195 satisfied customers
A cat 304.5 mini excavator, I just got a hydraulic thumb welded on it
I have a cat 304.5 mini excavator, I just got a hydraulic thumb welded on it, and for some reason it has no power when you close it to grab something. It is weak enough that when it is closed you can … read more
DDG
DDG
Service Coordinator
Associate Degree
104 satisfied customers
diagnose..the left tracks slowly stops working..backwards..mechanism
We are having a hard time trying to diagnose the issue. We believe it is heat related as the machine operates for 30-45 minutes, but then the left tracks slowly stops working until you can only turn i… read more
DDG
DDG
Service Coordinator
Associate Degree
104 satisfied customers
Excavator..machine and changed all hyd fiters and fluids..metal
I own a cat e70 b excavator i bought used with 2900 hrs on it.I went thru machine and changed all hyd fiters and fluids. No metal filings showing. The problem with machine is when it gets to a certain… read more
catmastertech
catmastertech
Technician
4,195 satisfied customers
Technical service bulletins, recalls, reliability, manuals etc
Hello, I'd like follow-up quality, technical service bulletins, recalls, reliability, manuals etc. documentation on the following hydraulic excavators: 2004-07 Case CX330 Hydraulic excavator 2004-07 C… read more
catmastertech
catmastertech
Technician
4,195 satisfied customers
Mitsubishi: excavator..machine will track but no boom controls work
I am working on a mitsubishi mm55sr excavator blade will move and machine will track but no boom controls work. Can you help me with this problem? I have no manual for this machine and cant seem to fi… read more
heavy equipment mechanic
heavy equipment mechanic
Vocational, Technical or Trade Scho
22 satisfied customers
John deere 690d excavator suddenly hydraulics bogged..slowly
john deere 690d excavator suddenly hydraulics bogged down, machine won't turn, moves very slowly, worked fine this morning.… read more
JBfixer
JBfixer
Mechanic
Vocational, Technical or Trade Scho
210 satisfied customers
Both tracks on my excavator will not move. The other hydraulics
Both tracks on my excavator will not move. The other hydraulics work fine, the bucket, boom etc. When I move the lever I can hear the pump engage and see the hoses twitch but the tracks are locked. I … read more
daves71
daves71
Service Manager
High School or GED
668 satisfied customers
I have a Jap Import 312B Excavator, Product ID# XXXXX The
I have a Jap Import 312B Excavator, Product ID# XXXXX The slew motor is not working full time, sometimes it does, sometimes it does not. I have had a CAt mechanic there, whom brought the CAt auto spar… read more
Tim
Tim
Foreman
Associate Degree
338 satisfied customers
Stick..cylinder slams back when trying to extend out (retract rod)
330bl trackhoe. Stick cylinder slams back when trying to extend out (retract rod). Checked drift reduction valve, OK. One thing I noticed is there is constant pilot pressure on top of stick two contro… read more
Tim
Tim
Foreman
Associate Degree
338 satisfied customers
Mitsubishi: bucket..the stick wont extend (the cylinder rod
I've got a Cat (Mitsubishi) ME25 mini-excavator(1991). Boom bucket travel swing all work but the stick won't extend (the cylinder rod won't retract). It draws in fine. All mechanical, must be in the s… read more
Matthias
Matthias
maintenance supervisor
Vocational, Technical or Trade Scho
72 satisfied customers
Excavator..all functions, and hydraulic power cuts out when load
I have a cat E70B excavator and it has low operating power when operating all functions, and hydraulic power cuts out when load is applied to the hydraulics? any help out there???… read more
KevinB
KevinB
Field Technician
Associate Degree
228 satisfied customers
excavator samsung se-210, right joy stick is slow. boom ...
excavator: samsung se-210, right joy stick is slow. boom slow to raise or lower if at all. helps to use bucket and boom at same time. sometimes both joy sticks won''t work. I changed pilot pump, pilot… read more
Matthias
Matthias
maintenance supervisor
Vocational, Technical or Trade Scho
72 satisfied customers
fault is the swing stops intermitently.Always in the same spot
Hi guys.I am working on a 312B Jap imported machine in NZ.The fault is the swing stops intermitently.Always in the same spot about 90degrees.Same on both directions.… read more
Marc
Marc
fleet supervisor
Vocational, Technical or Trade Scho
1,140 satisfied customers
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.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

I would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry.

Stephanie PElm City, NC

used your service this weekend with "Trecers" help. thank you ,thank you, thank you. replaced an A/C fan motor. Local Auto Zone had part. $15.00 "tracer" fee and $40.00 for parts, I saved several hundreds of dollers at a shop. i will recommend you and use you in the future.

David L.Richmond, TX

9 dollars, 2 hours of my time, and I drove away. Your diagnosis was right on the mark. Thank you so much.

PhilMarysville, CA

Lurch. Thank you very much. I had real doubts about this website but your promptness of response, quick followup and to the point answer with picture was incredible.

CharlesWalnut Creek, CA

As a single woman, I really appreciate an excellent and affordable opinion.
Thank you Geordie, I will not hesitate to contact justanswer in the future!

SueCharleston, WV

Another great insight to what may be the problem. I will have my mechanic take a look at it tomorrow. Thanks again, Frank...you do indeed know your stuff.

JimCastleberry, FL

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

< Previous | Next >

Meet the Experts:

Chris (aka - Moose)

Chris (aka - Moose)

Technician

134 satisfied customers

24 years of experience diagnosing & repairing

Tim

Tim

Foreman

338 satisfied customers

23 Years Heavy Equipment and Truck Repairs Shop and Field in the Minning and Construction Industry

Cat Man

Cat Man

Caterpillar Engine Expert

3,777 satisfied customers

23 Years Caterpillar Engine experience.

Wayne

Wayne

Journeyman

3,308 satisfied customers

34 years experiance as engine rebuild and problems.Thermo-King repair and trouble shooting.

Curtis B.

Curtis B.

service manager

2,404 satisfied customers

30 years exp. with diesel engines, heavy equipment and forklifts, including lp forklifts

DR.Cummins

DR.Cummins

FIELD SERVICE TECHNICIAN

2,392 satisfied customers

16 Years working on Cummins Diesel engines,

Don

Don

Mechanic

553 satisfied customers

35 years experience journeyman mechanic transport truck and trailer including off road equipment

< Previous | Next >

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.

Show MoreShow Less

Ask Your Question

x