star-filledicon-cnnicon-foxicon-nbcicon-nyticon-today

Medium and Heavy Trucks

Have truck repair questions? Ask an Expert

Ask an Expert,
Get an Answer ASAP!

Related Medium and Heavy Trucks Questions
National boom truck 400 series. boom slowly drifts down.
national boom truck 400 series. boom slowly drifts down … read more
Kent Van Wagner
Kent Van Wagner
36 satisfied customers
I have an M1078 military cargo truck with a CAT 3126, the
I have an M1078 military cargo truck with a CAT 3126, the engine starts fine and runs for 10 to 30 seconds and then shuts down. If I can catch it while it is starting to die, I can pump the throttle a… read more
Curtis B.
Curtis B.
Technician
Associate Degree
991 satisfied customers
Looking for 1994 GMC auger boom truck service manual serial
looking for 1994 GMC auger boom truck service manual serial #(###) ###-####… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
3,951 satisfied customers
My chevy c6500 has 3126 cat 7.2. It drives good for a few
My chevy c6500 has 3126 cat 7.2. It drives good for a few miles then the chevk engine light flashes on and it loses acceleration. i cannot get over 45 after that. we replaced the air, fuel filters as … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I work at the Corp of Saanich Municipol yard as an
My name is***** work at the Corp of Saanich Municipol yard as an electrician. We have a Terex bucket truck and are practicing our bucket truck rescue procedures. We have 2 trucks with one of them bein… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
3,951 satisfied customers
I have a C-15 Acert in a 08 KW. It dies after 54 seconds. 08
I have a C-15 Acert in a 08 KW. It dies after 54 seconds. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a 2006 f750 forestry truck with a ranger xt70 boom.
I have a 2006 f750 forestry truck with a hi ranger xt70 boom. Gears on turret are stripped broken. Any ballpark on fix? … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,096 satisfied customers
Im trying to replace the motor but i need to get the boom
im trying to replace the motor but i need to get the boom raised to get to the motor any ideas? … read more
Curtis B.
Curtis B.
Technician
Associate Degree
991 satisfied customers
I have a 2001 cat 3126 in a fl70 box truck with 276,000
i have a 2001 cat 3126 in a fl70 box truck with 276,000 miles the flash codes are 39 15 49 12 61 69. It starts up then the engine protect light comes on and shuts the motor down. I cleaned all connect… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
We have a c8500 with a cat 3126 motor. Engine will turn over
We have a c8500 with a cat 3126 motor. Engine will turn over but will not start. Changed the oil pressure sensor. Did not help … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,096 satisfied customers
Telelect bucket lift. Works only on 12volt power. The
Telelect bucket lift. Works only on 12volt power. The hydraulic pump is working but will not lift boom no controls … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,096 satisfied customers
I have a 1999 Sterling with 3126 CAT engine. I want to know
Hi, I have a 1999 Sterling with 3126 CAT engine. I want to know if there is any type of reset switch? The truck won't turn on. I've been told that it could be the computer, other say the fuel shut off… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Escavator boom want move. Kobutoa kx121. Nothing joy sticks
Escavator boom want move JA: What is the complete model and serial number of your machine? Customer: Kobutoa kx121 JA: Are you fixing this yourself? What have you tried so far? Customer: Yes nothing j… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,096 satisfied customers
I have a 97 f450 with terex c327 boom. how can i order
I have a 97 f450 with terex c327 boom. how can i order service manuals … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,096 satisfied customers
I have a cat 3126 420hp. It will start right up but when I
I have a cat 3126 420hp. It will start right up but when I shut it down after a while of running it wont start back up for several hours. I was told to look into the fuel solenoid. What do you think? … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a 2004 c4500 someone replaced the 7.8 with a cat 3126
I have a 2004 c4500 someone replaced the 7.8 with a cat 3126 and I was dumb enough to buy it,thinking it had originally came with the 3126..can the cat be wired to run and communicate with ecm and tra… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I gave 2012 ih pay star with a maxxforce 12.4 liter with a
Hi Andy, I gave 2012 ih pay star with a maxxforce 12.4 liter with a slow throttle response??… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
My boom truck started acting up today. The system goes down
My boom truck started acting up today. The system goes down and then after a while it works again. I don't understand what could cause this. I'm now stuck in the air. The system has gone down again. T… read more
Expert
Expert
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.
Daniel Wilson

Daniel Wilson

Technician

Owner at DJ Wilson

3096 Satisfied Customers

Pearl avatarPearl, Assistant

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

3,096 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,530 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

2,892 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

3,951 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician

cumminsdr

cumminsdr

Mechanic

1,351 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

991 satisfied customers

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

dieseldan55

dieseldan55

Contractor

74 satisfied customers

Road Service mechanic for Volvo Construction.

< 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