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 replacedand. i had the whole valve manifold out on the
I replaced(###) ###-####and(###) ###-####. i had the whole valve manifold out on the bench to replace them as they were so deteriorated from poor clearance from the top of the chainbox and dirt caked … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
I've got a cat 312b excavator where the motor starts up and
Hi, I've got a cat 312b excavator where the motor starts up and runs fine but had no dash or controls. As in none of the functions work, mast, dipper, tracks, slew etc. … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
Cat D6T SN/MME08318 Will lose blade side to side tilt
Cat D6T SN/MME08318 Will lose blade side to side tilt control function at times during working conditions and no codes present. When machine is stationary all blade functions normal.… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
I have a cat 287d skidstrr that you have to give a lot of
Hey I have a cat 287d skidstrr that you have to give a lot of throttle for it to move ( track forward or backwards) how ever the loader functions work great. Wondering if the pump is on its way out? I… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
226b3 starts and runs great, auxiliary works great, wont
226b3 starts and runs great, auxiliary works great, wont move or lift or operate bucket … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
Cat skid steer 259D it will go forward an reverse but it
Cat skid steer 259D it will go forward an reverse but it will not the move the arms it unlocks but moves just a little hooked a gauge to the pressure side of the dcv an only get 500 psi at full thrott… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
Komatsu PW160-7EO s/n H55774. 11000 operating hours.Workink
Komatsu PW160-7EO s/n H55774. 11000 operating hours.Workink mode E or P(no matter).Engine temperature 65~85 degrees Celsius.Engine speed 1000-2000 rpm(no matter).Work equimpent operation NEUTRAL(stand… read more
RyanY78
RyanY78
208 satisfied customers
I am needing assistance with an excavator hydraulic system.
HI Pearl, I am needing assistance with an excavator hydraulic system. … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
14,627 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
2,564 satisfied customers
I have a 2004 caterpillar 287b track machine. Joystick
I have a 2004 caterpillar 287b track machine. Joystick control. When going forward, I let go of joystick to center position to stop and the machine comes to a stop but also turns to the right. Then it… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
14,627 satisfied customers
Cat 307B SER. # 5CW00403 no main pump pressure. Replaced
Cat 307B SER. # 5CW00403 no main pump pressure. Replaced leaking hydraulic line in pump area. Found rodent damage to wiring and fixed all we have found.… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
We have an kobelco sk250 ic. recently we had some electrical
we have an kobelco sk250 ic. recently we had some electrical issues and now the machine runs good but when you start a function, boom in boom out bucket in out. any digging or drive function causes th… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
14,627 satisfied customers
I am looking to know what the pilot pressure should be on
hi i am looking to know what the pilot pressure should be on a 2009 cat m313d wheel excavator and how to adjust it. thanks.… read more
Bradley Martin
Bradley Martin
77 satisfied customers
I have a 1999 komatsu wb140 backhoe. The overall hydraulic
I have a 1999 komatsu wb140 backhoe. The overall hydraulic system's working pressure is 3,000 psi and max delivery is 43.6 gpm. I need to know the hydraulic flow rate in gallons per minute in the line… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
14,627 satisfied customers
I have a 420e backhoe stabilizers and bucket do not work
I have a 420e backhoe stabilizers and bucket do not work nothing happens when you move the controls… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
i have a 287c high flow. moves forward and reverse fine. work
i have a 287c high flow. moves forward and reverse fine. work tool section will not operate.loader arms will not lift, bucket will not curl. door open circuit is good. hydraulic lockout circuit is goo… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
14,627 satisfied customers
I have 2009 JCB 426HT with hydraulic lift problem. All functions
I have 2009 JCB 426HT with hydraulic lift problem. All functions work above idle Only lift function will raise under 1090 rpms. It stop dead, wont raise above 1100 rpms. All other functions work above… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
14,627 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