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Related Medium and Heavy Trucks Questions
Have a 855 cummins big cam and its missing its id tag was
Have a 855 cummins big cam and its missing its id tag was wondering if you could help. the number on the boss is 11137331 … read more
Nich1019
Nich1019
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Vocational, Technical or Trade School
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99 cat 2ws recently rebuilt top end, new head injectors,
99 cat 2ws recently rebuilt top end, new head injectors, cam. Truck has ran fine until just now, seems to be fuel related. It runs but will start idling rough then die while idling. If I prime it it w… read more
Gary A.
Gary A.
Associates in Diesel Technology and Business Management
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I have a 2000 Freightliner Century with a 400 engine, that
I have a 2000 Freightliner Century with a 400 cumming engine, that has been sitting for about 6 years. I had a new set of injectors installed, tanks drained and cleaned, changed the fuel filter, and s… read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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2013 kenworth paccar engine def says low but gauge and tanks
2013 kenworth paccar engine def says low but gauge and tanks are full. Now we are getting check engine light with wrench in middle but diagnostic says no faults found … read more
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Andy
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Have 1984 w900 with oil filter on front differential what
Have 1984 w900 with oil filter on front differential what filter does it take. what oil goes in rear end looks like trany fluid?? … read more
Mike Mcmillan
Mike Mcmillan
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I have a 1982 Kw with a Big Cam 400 cummins i put a pt pump
i have a 1982 Kw with a Big Cam 400 cummins i put a pt pump on it now i have air in the fuel system how do i bleed it sins injectors are internal … read more
Curtis B.
Curtis B.
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I have another Mack mp7 question. I have a garbage truck in
I have another Mack mp7 question. I have a garbage truck in here now, it came in with a low power complaint. Basically it would barely pull its self. Dropped the fuel filters diesel fuel looked like l… read more
Mike Mcmillan
Mike Mcmillan
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We have a 1984 Cat D6D which erratically stops running --
we have a 1984 Cat D6D which erratically stops running -- the fuel system seems to be gravity feed to the primary fuel filter and there is no transfer pump , -- primer leaks when priming but not after… read more
Curtis B.
Curtis B.
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Not building air. 1997 kenworth k100 cat 3406E. Checked
checked airleaks nothing leaking just installed new governer yesterday … read more
Mike Mcmillan
Mike Mcmillan
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I need my engine family number for my big cam 400 cummins. I
i need my engine family number for my big cam 400 cummins. I have a engine#10915885 … read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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This procedure will it work on a 1981 400 big cam 855. Its
This procedure will it work on a 1981 400 big cam 855 … read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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Fuel consumption sucks don't know where to even start. 2010
Fuel consumption sucks don't know where to even start … read more
Andy
Andy
truck /coach technician
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Cat 3208 in a 1987 Ford F800. Engine serial number is
Cat 3208 in a 1987 Ford F800. Engine serial number is ***** Truck engine was shut off the other day and would not restart. Noticed air in the glass fuel separator mounted by the the RH valve cover. Pu… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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2006 T600, Acert 15. Died during idle yesterday and wouldn't
Hi, 2006 T600, Acert 15. Died during idle yesterday and wouldn't restart. Tech checked everything he could think of, and tried a new ECU today. Now it starts but the throttle does nothing and the dash… read more
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I have an ntc 300 big cam that I have already replaced the
I have an ntc 300 big cam that I have already replaced the fuel shutoff valve and still having the no power symptoms. It will crank if I shut the shutoff valve but will not go more than 1/4 mile down … read more
Curtis B.
Curtis B.
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L10 cummins engine quit running while driving. No fuel in
L10 cummins engine quit running while driving. No fuel in filter, fuel tank was 3/4 full and tank had pressure on it. I could barely remove cap.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 1984 Pete w/ a NTC 400 Big Cam 1,Just inframed it,recon
I have a 1984 Pete w/ a NTC 400 Big Cam 1,Just inframed it,recon heads,new injectors,cam offset key,timing marks lined up.set timing at .080,reset valves &injectors. The engine won,t start,smokes out … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
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I have a 400 cummins in an 84 Kenworth. Not sure of the year
I have a 400 cummins in an 84 Kenworth. Not sure of the year of the motor, it originally had a Cat in it. We had the injector pump rebuilt and it runs good but it seems like it runs out of power befor… read more
cumminsdr
cumminsdr
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1,886 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

14,362 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,353 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

5,115 satisfied customers

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

Mechanic

1,886 satisfied customers

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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