Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I bought a 1999 international 9000s with a 12.7 Detroit 60
Good morning. I bought a 1999 international 9000s with a 12.7 Detroit 60 series 500hp about a year ago. I've had it on the road running local for the last 4 months. I know for sure that my speedometer… read more
Mike Mcmillan
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Looking at a 2001 KW T800 with a C15 6NZ with 350,000mi on
Looking at a 2001 KW T800 with a C15 6NZ with 350,000mi on it. Cannot remember the hours but I know it wasn't crazy for the miles. Truck has 4.33 rears and I run loads that I'm always grossing between… read more
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Daniel Wilson
Daniel Wilson
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I have a 2002 kenworth with a cat 6nz C15. The concern is
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Nich1019
Nich1019
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I had 40 psi oil pressure at idle and 55 going down highway,
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Daniel Wilson
Daniel Wilson
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I have a 2006 NXS Acert engine with over 1.3 million miles.
I have a 2006 NXS Acert engine with over 1.3 million miles. It's getting old and worn out, alot of blow by, and is using a gallon of oil every 6k-8k miles. I know a rebuild is in the future. I'm fed u… read more
Cat Man
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I have a 2006 t800 with a cat c15 motor. I had a complete in
I have a 2006 t800 with a cat c15 motor. I had a complete in frame done at 1,225,000 miles. It now has 1,485,000 miles. It has been using 1 gallon of oil every 5000 miles right after oil change and th… read more
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Oil pressure has dropped 15 psi in less than 2 days... 01
Oil pressure has dropped 15 psi in less than 2 days... 01 6nz cat … read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I am a heavy duty mechanic by trade. I have a 3126 cat
Hello I am a heavy duty mechanic by trade . I have a 3126 cat s/n#7as05448 in my 1998 national RV on a freightliner chassis. I bought this RV last spring. I serviced the whole unit. I used chevron del… read more
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I have a cat 3126 on a 2002 chevy c7500. Started with low
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Cat Man
Cat Man
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On August 23 ask you. I rebuild a engine c15 cat 6NZ w/
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Cat Man
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Oil in my coolant. A cat 3054 in a TH83 Telehandler. I have
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Curtis B.
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Ok i was pulling. A hill in 7 gear at 15rpm 40 mph and my low
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Daniel Wilson
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c 7 cat with derate at 55 mph says low fuel pressure . regulator
c 7 cat with derate at 55 mph says low fuel pressure . regulator changed 12000 miles transfer pump changed with no effect on derate… read more
Cat Man
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Hi Cat Man I am needing some help. I bought a truck with a
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Cat Man
Cat Man
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Cat engine 3406E, low oil pres,hot over the road at 1300-1400
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Cat Man
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I have a 2003 sterling truck with a eaton fuller 10 speed transmission.
I have a 2003 sterling truck with a eaton fuller 10 speed transmission. Here is my problem, after the truck warms up good, and am needing power up hill or on flat, the truck will miss and lose power a… read more
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I have a 2005 freightliner columbia mercedes benz engine
I have a 2005 freightliner columbia mercedes benz engine mbe4000. i was going down the road at about 70 mph when the oil pressure guage was running low 25 psi. shut down and check engine lights came o… read more
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Meet the Experts:

Daniel Wilson

Daniel Wilson

6,062 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

10,343 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,756 satisfied customers

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

Curtis B.

Curtis B.

Technician

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

cumminsdr

cumminsdr

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All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

641 satisfied customers

24 years of experience diagnosing & repairing

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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.

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