Medium and Heavy Trucks

Have truck repair questions? Ask an Expert

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

Related Medium and Heavy Trucks Questions
Wondering the year of my komatsu excavator pc128. Pc128uu-1.
Wondering the year of my komatsu excavator pc128 JA: What is the complete model and serial number of your machine? Customer: Pc128uu-1 JA: Are you fixing this yourself? What have you tried so far? Cus… read more
RichardH416
RichardH416
Resident Tech
Associates
47 satisfied customers
I have a Komatsu D31-16 dozer and I need to find out what
I have a Komatsu D31-16 dozer and I need to find out what year it is The serial number is #26996 … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,806 satisfied customers
Need instructions how to do conversion from flex 4 HSu to
Need instructions how to do conversion from flex 4 HSu to series 5 steering control unit on 4500. Just received the conversion kit from India with no instruction, only parts description. … read more
TomcM28
TomcM28
Owner
Associates
4 satisfied customers
I have a 1971 Cat D4D and have steering issues. I removed
I have a 1971 Cat D4D and have steering issues. I removed rear covers and thought it would have oil in there. How do I tell if it is a wet clutch or dry clutch system. … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,317 satisfied customers
Komatsu 32E dozer will only back up - won't g forward in any
Komatsu 32E dozer will only back up - won't g forward in any gear … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
13,077 satisfied customers
D21A6 crawler, right track not pulling,but turn brake is
D21A6 crawler, right track not pulling,but turn brake is working. On left side track is pulling,but turn brake is not working. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
13,077 satisfied customers
Relplace Equalizer pivot pin in a a-6 dozer. Dont have
I intend to if I buy machine How difficult is the job and what are the tricky parts of the job … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
13,077 satisfied customers
I have a 1979 komatsu D65P dozer. Why would oil be filling
I have a 1979 komatsu D65P dozer. Why would oil be filling the transmission? … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
I am trying to change steering brake bands and clutches on a
I am trying to change steering brake bands and clutches on a p21-5 komatsu dozer … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
13,077 satisfied customers
I have an Ac D-17 Series IV that we put a new clutch in a
I have an Ac D-17 Series IV that we put a new clutch in a few years ago. It worked alright for a while, but now the clutch does not want to release when you push the pedal down. The tractor sits in a … read more
dd85
dd85
Service Manager
20 years Service Manager at Dealersh
227 satisfied customers
1150 case dozer foot brake does not work. Do not have serial
do not have serial n0, at this time but dozer is 1150 no letter … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
Set up Steering clutches on a 450G Deere dozer. 450g. 1990.
Fixing myself. Right side is out of adjustment steers but very weak. My father bought it new and said there is a way of setting them up by using the brake or something. He has done it but can't remember … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
Have a 1999 zetor model 4340 with a clutch problem. After
Have a 1999 zetor model 4340 with a clutch problem. After running tractor for approximately one hour clutch starts slipping and tractor will not pull. Can let set for an hour or so and will work for a… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
13,077 satisfied customers
Komatsu d20 p-5 runs well but the clutch, steering clutch
Komatsu d20 p-5 runs well but the clutch, steering clutch and brake won't work. It has been parked for several years. Transmission works but the clutch doesn't disengage … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
13,077 satisfied customers
I want to know where the engine oil drain plug is located
I want to know where the engine oil drain plug is located and how to access it on a KOMATSU D31A,E-17 DOZER ? … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
I have loss of pressure on the rt steering clutch. rebuilt
i have loss of pressure on the rt steering clutch. rebuilt clutch and steering valve. drained and flushed complete steering system. pulling rt leaver a little gets pressure. pull to end of travel lose… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
13,077 satisfied customers
Trouble with the winch not disengaging on my timberjack 380
I'm Having trouble with the winch not disengaging on my timberjack 380 it spools up fine and disengages but when you put the transmission in gear to pull away the winch re engages and tries to spool u… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
13,077 satisfied customers
will a model D32E-1 brake pressure every get low enough the
will a model D32E-1 brake pressure every get low enough the brakes will not work? everything else about brakes are fine s4d102.45705954… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
13,077 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:

Daniel Wilson

Daniel Wilson

13,077 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,293 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,563 satisfied customers

worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

Jeremy

Certified Truck/Bus Technician

2,747 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

cumminsdr

cumminsdr

Mechanic

1,824 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,806 satisfied customers

Technician turned service manager on multiple lines of trucks and engines, used in industry.

Chris (aka-Moose)

Chris (aka-Moose)

Technician

462 satisfied customers

24 years of experience diagnosing & repairing

< 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