Construction and Road Equipment

Construction and road equipment repair questions? Ask a mechanic ASAP

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

Related Construction and Road Equipment Questions
Boom on excavator goes up when engine starts! Komatsu
Boom cylinder is working as it should … I suspect the control spool in the cab… read more
TomcM28
TomcM28
Owner
Associates
14 satisfied customers
John Deere 250 LC excavator. Customer states after boom
John Deere 250 LC excavator. Customer states after boom piston was replaced, once you raise boom and release control the boom will fade down. Sounds like air in system. I have not seen machine yet goi… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,131 satisfied customers
1996 Bobcat 753 C series skid steer has started having a
1996 Bobcat 753 C series skid steer has started having a problem with traction lock and hydraulic functions lock engaging during operation. Sometimes it is just the traction lock, other times just the… read more
Fieldtech59
Fieldtech59
418 satisfied customers
I have a 2004 komatsu pc78. I am having an issue with the
Second opinion] I have a 2004 komatsu pc78. I am having an issue with the engine stalling when i curl the bucket and when i boom up and down… read more
Grady Woods
Grady Woods
13 satisfied customers
I have a cat 416 back serial 5pc14006 the back part of boom
I have a cat 416 back hoe serial 5pc14006 the back hoe part of boom when u go to dig the bucket like it don't want to pick up the material is really struggles I think I it maybe a proportional valve o… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
I know you have provided some help before with another Deere
Hey Dan I know you have provided some help before with another Deere excavator, so im looking to you again to glean some info. I have this time a Deere 240DLC excavator S/n FF240DX605166, we purchased… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,131 satisfied customers
Hyd issue on kubota LA1153S #C8728 Bucket curls down good
hyd issue on kubota LA1153S #C8728 Bucket curls down good but up... the ram moves about 4 - 6 inches and no more. swapped hoses and symptom transferrs. swap bucket curl with boom and bucket works prob… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,131 satisfied customers
I am working on a komatsu pc75uu-3 it is having hydraulic
I am working on a komatsu pc75uu-3 it is having hydraulic issues. Boom/bucket/stick and travel functions all very slow. Swing and blade are normal, I put a pressure gauge on the control pressure line … read more
Keiphun Sowell
Keiphun Sowell
Owner Brothers Restoration/Troubleshoot
AutoDiesel Technology
2,961 satisfied customers
Have an older ec210b [new main pump] it has 1 track going at
have an older ec210b [new main pump] it has 1 track going at low speed and the other at high speed..this happened upon start up after installing the new main pump...I double checked my lines for prope… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,131 satisfied customers
I have a Komatsu PC50MR-2 with some hydraulic issues. The
Hi. I have a Komatsu PC50MR-2 with some hydraulic issues. The machine seems weak and does not the power to lift itself with the boom. When using the blade, the machine lifts itself, but not very fast.… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,131 satisfied customers
I have a cat 325dl that was driving across a field and very
I have a cat 325dl that was driving across a field and very suddenly lost track speed on one side run by pump 1 or called the driven pump. If the ecm override is switched track speeds back up to norma… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
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
15,131 satisfied customers
I have a komatsu pc28uu-2 with no down pressure on the
I have a komatsu pc28uu-2 with no down pressure on the boom/bucket. Everything else works fine. It always has the blinking red indicator light on. I have taken the connectors apart on all 3 sensors on… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,131 satisfied customers
hi we have a cat th220b telescopic handler 2008 and when its
hi we have a cat th220b telescopic handler 2008 and when its been at work for an hour the boom stops lowering.All other hydraulics still work.When the machine has been left for a couple of hours to co… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
HEY YO, WE HAVE A 287B HIGH FLO XPS. SERIAL #CAT0287BVZSA02906.
HEY YO, WE HAVE A 287B HIGH FLO XPS. SERIAL #CAT0287BVZSA02906. THE INTERLOCK OVERRIDE LIGHT IS STUCK ON WILL NOT TURN OFF. HIGH FLOW FUNCTION DISABLED BUT 2 BUTTONS ON RIGHT JOYSTICK STILL ACTIVATE W… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
Hello, I own a takeuchi TL 26. Yesterday the right pilot control
Hello, I own a takeuchi TL 26. Yesterday the right pilot control went a little crazy. It will boom up and uncurl fine, but it will not uncurl or boom down properly. It uncurls and booms down about an … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,131 satisfied customers
I have a komatsu pc160LC that I imported from EU with 700hrs
I have a komatsu pc160LC that I imported from EU with 700hrs on it. It has always had a slewing problem which is worse when carrying a heavy load, or working on a slope. If ANY function (crowd/dump, b… read more
Expert
Expert
I have an older 1080 b ripping frost today and lost power on
I have an older 1080 b ripping frost today and lost power on part of the hydraulics,1 track drives ,up down works, crowd very weak and rotation weak.… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,131 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:

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

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

Meet the Experts:

Curtis B.

Curtis B.

Technician

2,324 satisfied customers

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

Wayne

Wayne

Journeyman

1,298 satisfied customers

worked on many road graders, Bull dozers , skid steers, Rollers

Cat Man

Cat Man

Cat Engine Expert

578 satisfied customers

I am ASE Master Certified.

dieseldan55

dieseldan55

Mechanic

299 satisfied customers

Road Mechanic for Volvo Construction Equipment.

Chris (aka- Moose)

Chris (aka- Moose)

Technician

85 satisfied customers

24 years of experience diagnosing & repairing

Steve

Steve

Mechanic

42 satisfied customers

Heavy Equipment Mechanic for 25 years

JBFixxer

JBFixxer

Mechanic

22 satisfied customers

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

< 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