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
I have a HR18 excavator all functions work right except it
I have a HR18 excavator all functions work right except it seams to track slow when youl lift boom or extend jib or curl bucket.it tracks faster! whats going on. … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,138 satisfied customers
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
PAPA Chris
PAPA Chris
Field Service Technician
Automotive Technology
47 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
15,138 satisfied customers
Got a 330 cat excavator boom just nearly raises. Now pilot
got a 330 cat excavator boom just nearly raises. Now pilot pressure on slow side spool. Pilot pressure builds very slowly on high side spool. Good pilot pressure to joystick. Also travel is very limit… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
Catmastertech, have cat 315cl serial number cacjc02070 with
Catmastertech, have cat 315cl serial number cacjc02070 with 3646 hours, Have Electronic Technician and pressure gauges to trouble shoot per your instructions, have pump howl in left travel function in… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
I have a link belt 3400q that stalls when the bucket is
I have a link belt 3400q that stalls when the bucket is opened or closed … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,138 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 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
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
Very erattic hydraulics machine rums good for a while then
Very erattic hydraulics machine rums good for a while then suddenly has no power have to run full throttle to operate mounted a hydro hammer slow blows but if I push swing lever while trying to hammer… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,138 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
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,138 satisfied customers
Working on a deere 330LC Problem is with tracking. Right
Working on a john deere 330LC Problem is with tracking. Right track runs much slower and with lest power then left. Power jumps up on right track when stick function is activated while travelling.… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,138 satisfied customers
Link belt ls1600CII. The main problem in having is when the
Link belt ls1600CII. The main problem in having is when the boom is lifted, its slow and bogs the engine down unless you bottom out the arm function at the same time, then the boom shoots right up. Ev… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,138 satisfied customers
Where would I check shavings after I replaced final drive on
Where would I check for metal shavings after I replaced final drive on left side Bucket will not raise and left track is binding because it's not getting fluid… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
I have a Komatsu PC50MR-2 with some hydraulic issues. The first
I have a Komatsu PC50MR-2 with some hydraulic issues. The first issue is that the boom raise function is immediately overridden when any other function is initiated at the same time (ie. Crowd or Curl… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,138 satisfied customers
Cat 311B SN 8GR00463 Boom down when the boom is on the ground
Cat 311B SN 8GR00463 Boom down when the boom is on the ground does not lower the pilot line pressure to the front pump and the pump Doesn't spool up. If the boom is in the air it does drop the pressur… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
pc 75uu-1 no pressure to rh track. all functions work untill
pc 75uu-1 no pressure to rh track. all functions work untill rh track lever is pulled -then rh function,boom and bucket curl stop.… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,138 satisfied customers
Hello, we have a Caterpillar 311b with some hydraulic issues,
Hello, we have a Caterpillar 311b with some hydraulic issues, here are the symptoms- with travel just slightly engaged(direction doesn't matter, same symptoms forwards or reverse), machine not moving,… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,138 satisfied customers
I have a 1980 235 Cat excavator and recently the stick is very
I have a 1980 235 Cat excavator and recently the stick is very slow, also one track has lost power. I checked the pressure on the pumps, both pressure up to 3700 psi, pilot pressure is at 325 at the s… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 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