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 d39px-23 dozer. Serial #90536. It is very hard
I have a d39px-23 dozer. Serial #90536. It is very hard starting. Has new injectors, fuel filters and air filters. Still the same. Has 15000 psi at idle and 25000 psi fuel pressure at 1900 rpm. It onl… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,161 satisfied customers
Hope all is well. I'm working on a 140M SN/B9D01261 I am
Hello. Hope all is well. I'm working on a 140M SN/B9D01261 I am trying to find a diagnostic test for code E284 Low brake pressure. Thanks… read more
catmastertech
catmastertech
Technician
Vocational, Technical or Trade Scho
3,940 satisfied customers
I am working on a 140M. SN/JB9M00518. Fuel injection pump
Hello sir. I am working on a 140M. SN/JB9M00518. Fuel injection pump replaced because diesel entering engine crankcase, but after pump replaced it still has the same issue. Is there another way fuel c… read more
catmastertech
catmastertech
Technician
Vocational, Technical or Trade Scho
3,940 satisfied customers
Need help diagnosing CAT 420E backhoe. I bought the backhoe,
Need help diagnosing CAT 420E backhoe. I bought the backhoe, I cranks at 160 rpm, fuel rail pressure is at about 2600, I think its supposed to have at least 3650 psi. CAT tech came over told us to rep… read more
catmastertech
catmastertech
Technician
Vocational, Technical or Trade Scho
3,940 satisfied customers
I have a 315SL and it wont start, there is no fuel pressure
I have a BELL 315SL and it wont start, there is no fuel pressure to the injectors, i have had the fuel pump recaliberated and tested twice. … read more
Heavy Equipment Tech
Heavy Equipment Tech
Heavy equipment mechanic
153 satisfied customers
I need to speak to an extremely experienced Caterpillar
I need to speak to an extremely experienced Caterpillar Excavator Tech.Regarding a no start condition on a 321D NAS216 with a 6.4 fuel rail engine. Machine ran and fuel was shut off at tank.Primed fue… read more
catmastertech
catmastertech
Technician
Vocational, Technical or Trade Scho
3,940 satisfied customers
Have a 2013 Zd331 with a d1305-e3 diesel eng. 1100 hrs. was
Have a 2013 Zd331 with a d1305-e3 diesel eng. 1100 hrs. was running great. started to lose power this spring.No blowby not smoking. Changed oil/filter every 200 hrs since new. The engine had 40psi oil… read more
Curtis B.
Curtis B.
Technician
Associate Degree
2,324 satisfied customers
I have a Cat 966K with a fault for low rail pressure fault
I have a Cat 966K with a fault for low rail pressure fault E398(1) … read more
catmastertech
catmastertech
Technician
Vocational, Technical or Trade Scho
3,940 satisfied customers
L48 kubota intermittently starts. Strong battery. I pressure
l48 kubota intermittently starts. Strong battery. I pressure washed it recently and it would not start. I messed with the connection on the fuel shutoff switch and it started. Now wont start? … read more
Curtis B.
Curtis B.
Technician
Associate Degree
2,324 satisfied customers
This is in Ref to my last quast 966k C9.3so lon story short
this is for catmastetec this is in Ref to my last quast 966k C9.3so lon story short this unit is getting redy to go out on rent so cust calls me states the unit starts but will not move... i get ther … read more
catmastertech
catmastertech
Technician
Vocational, Technical or Trade Scho
3,940 satisfied customers
Cat 236 will not crank I have checked all the basics ET HAS
This is for catmastertec cat 236 will not crank I have checked all the basics ET HAS logged code for arm rest voltage above normal 20 times in 2 hours also statues grp says arm rest and seat switch un… read more
catmastertech
catmastertech
Technician
Vocational, Technical or Trade Scho
3,940 satisfied customers
E70b escavator, boom wont lift after it gets hot. 1997 E70
yes I am mechanic and I need to know if its in the control handle tower or one of the spools in controlling block … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,161 satisfied customers
Curtis I have a JD 310J backhoe. I can't get it to start.
Curtis I have a JD 310J backhoe. I can't get it to start. Changed the filter, bled the lines from the pick up pump to the injector pump. I have 5 volts at the fuel solenoid when cranking. Any ideas?… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,161 satisfied customers
I have a Caterpillar 320D excavator that died and will not
I have a Caterpillar 320D excavator that died and will not restart. Will not start on rather. … read more
catmastertech
catmastertech
Technician
Vocational, Technical or Trade Scho
3,940 satisfied customers
Looking for an electrical schematic for a CAT 312BL with a
looking for an electrical schematic for a CAT 312BL with a SN of 8JR01141. I am only finding newer schematics online. Just wondering if one of your guys might have one (I have seen catmastertech post … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,161 satisfied customers
Welcome to my nightmare. I have replace a C9 Caterpillar
Welcome to my nightmare. I have replace a C9 Caterpillar engine in a D6R II crawler tractor. The engine I removed was the factory engine ser. 4ZF2236 with a HEUI pump num. 10R8897 and fuel injectors 1… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,161 satisfied customers
Cat Man Here Cat 321d sn# PNAS002977 it has a C6.4 Its hard
Cat Man mark Here Cat 321d sn# ***** it has a C6.4 Its hard start most of the time when cold i found a bad eng speed sensor NOTE this unit is equipment a PRE LUBE SYS I installed new speed sencor its … read more
catmastertech
catmastertech
Technician
Vocational, Technical or Trade Scho
3,940 satisfied customers
I have a 336EL with C9.3. Connected with ET found logged
I have a 336EL with C9.3. Connected with ET found logged event code E499 (3) Fuel Rail #1 Pressure Leak, no active codes, trouble shot code with SIS, checked for associated codes, no associated codes,… read more
catmastertech
catmastertech
Technician
Vocational, Technical or Trade Scho
3,940 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