Medium and Heavy Trucks

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We have a n14 celect plus. It was just completely rebuilt.
We have a n14 celect plus. It was just completely rebuilt. New injectors. Runs awesome but no power only 20lbs boost. No black smoke. Check charge air cooler and plumbing. All good no leaks. Checked f… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
I also have a 1999 international 990 with a n14 Cummins I
I also have a 1999 international 990 with a n14 Cummins I also did a update on can u tell me where to go in Insite to check everything… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
2007 Ford Explorer. V6 I am looking to get a pull trailer.
2007 Ford Explorer. V6 I am looking to get a pull trailer. The manual says the limit is 3500 pounds. Some say they are erring on the safe side. It is hard to find something in that weight range. Do yo… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
I have a 2016 glider with pre 2000 N14. Eng # 11828333 465
I have a 2016 glider with pre 2000 N14. Eng # 11828333 465 hp. Driver complaint that is "studders" when he upshifts in high range. at 1150 rpm to 1400. Once he gets past that it clears up. It will do … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,297 satisfied customers
I'm a small business owner and I want to buy a used box
I'm a small business owner and I want to buy a used box truck under 26000 lbsthinking between international 4300 and Freightliner M2I would like to see if anybody has any suggestions between the two t… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Looking for some general info. I'm pulling a 20,000 LQ horse
Looking for some general info. I'm pulling a 20,000 LQ horse trailer. Want to do it with something like a used 2000-ish 4WD, automatic trans, FL 60, FL 80 type machine. Most of what I see out there fo… read more
Alex Olsen
Alex Olsen
254 satisfied customers
I just had a 2001 isx 475 hp engine overhauled. For break-in
I just had a 2001 isx 475 hp engine overhauled. For break-in do I immediately put a load on? The guy who overhauled it drove it About 30 mi to check it out. I then drove it about 40 mi home.How many m… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
Need suggestion in what to check next. I have fuel system
Need suggestion in what to check next. I have fuel system bypassed, pumping fuel pressure directly to pump, have power at fuel shut off solenoid, fuel is getting past solenoid to pump. when I cycle ke… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
Some say a cat 3126 used in medium duty trucks is trouble
Hi Pearl Some say a cat 3126 used in medium duty trucks is trouble prone. Is a cummins 6.7 strong enough in a hotshot rig pulling 25000 lbs. … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
have a mbn cat just over hauled with gold kit when started
have a mbn cat just over hauled with gold kit when started third or forth time noticed it smoked double checked every thing timing sensors over head adjust let it go any runs great lots of power pulle… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
hi need some help, trying to found out which truck to buy
hi need some help, trying to found out which truck to buy for reefer trailer...2007-2010 this range. low fuel consumption and easy maintain. Please give me recommendation thanks in advance… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have reasonably had an eaton fuller put in my truck ( 2000
I have reasonably had an eaton fuller put in my truck ( 2000 fld120 with a Cummins n14). The transmission model #rt14710b, serial#81437014, with an additional #56a02b04c8500. My question, is this tran… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
What are the specs to get the best fuel mileage for a Detroit
What are the specs to get the best fuel mileage for a Detroit 60 series engine? from 2000 to 2007? and for the new style dd15 motor?… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
Hi, i have an 99 n14 celect plus in western star. hp is set
Hi, i have an 99 n14 celect plus in western star. hp is set at 525. I just performed an out of frame overhaul and when run for a while it had bubbles coming from the rear of the center and rear heads.… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
Hi I got a 07 epa 550 isx at 240k the turbo went out because
Hi I got a 07 epa 550 isx at 240k the turbo went out because of failed egr cooler. Got both replaced under warranty at rocky mountain cummins in sparks nv. My issue is ever since that repair my truck … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,297 satisfied customers
Okay Jeremy, giving you another question. Give me your opinion
Okay Jeremy, giving you another question. Give me your opinion on the following trucks based on mpg and relability, they will have varied uses and drive to 48 states. Also, assume all are in the like … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
i have a 3406e multi torque cat with 375/435 hp, i am going
i have a 3406e multi torque cat with 375/435 hp, i am going to turn up the horse power, my tranny is rated for 1650, whats the most hp i can turn up without having problems with the tranny?… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
2002 cat c12 what kind of horse power and torque kind I get
2002 cat c12 what kind of horse power and torque kind I get out of this engine and at what RPM's and what is the highest rpm I should run engine for the day? I do local gravel truck 25tons worth every… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,737 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,234 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,023 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,740 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

4,297 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,571 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

353 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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