Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
2006 international 9400i w isx 450! lost! runs fine on flat
2006 international 9400i w isx 450! lost ! runs fine on flat but soon as you start climbing the turbo boost starts flutering … read more
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Scott Anthony
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CUMMINS ISX 500HP, LOOKING FOR THE (ALL FITTINGS THAT GO TO
CUMMINS ISX 500HP, LOOKING FOR THE (ALL FITTINGS THAT GO TO THE TREATMENT FILTER CASTING THAT HOLDS THE COOLENT FILTER … read more
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Mike Mcmillan
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I've got a cummins ism motor in my truck and i wanna get
I've got a cummins ism motor in my truck and i wanna get more horse power. What can i do … read more
Keiphun Sowell
Keiphun Sowell
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ISX 15, just general knowledge question. Why are some isx
ISX 15, just general knowledge question. Why are some isx are rated 400hp and some other even 500hp, is the block and head same capacity? Or injectors are different?… read more
cumminsdr
cumminsdr
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I have 2014 Volvo with Cummins ISX 15 engine. I have had
Hello i have 2014 Volvo with Cummins ISX 15 engine. I have had this problem and it's been increasing lately. My truck starts and shuts down right away. I think it's idle sensor. Any advice? … read more
Andy
Andy
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Vocational, Technical or Trade School
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Have a 2011 Freightliner with ISX Cummins need to see what
Have a 2011 Freightliner with ISX Cummins need to see what horsepower can be turn to this thing and the right ECM calibration code to do this I have a laptop with Cummins Insite… read more
Mike Mcmillan
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I am looking to buy a truck.. The 2 trucks I am comparing
Hi , I am looking to buy a truck..The 2 trucks I am comparing for buying are #1 is a 2008 International ProStar Premium T/A Day Cab Truck Tractor with a Cummins ISX435ST 15L Engine, 435 Adv Horsepower… read more
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Mike Mcmillan
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I have a 2001 ISX Cummins I'm changing the oil cooler on. Do
I have a 2001 ISX Cummins I'm changing the oil cooler on. Do I need to drain all the coolant before pulling the housing? … read more
Curtis B.
Curtis B.
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Can a Cummins ISM 385hp CLP 8557 be turned up to 450hp?
Can a Cummins ISM 385hp CLP 8557 be turned up to 450hp? … read more
Mike Mcmillan
Mike Mcmillan
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My driver says the truck is not getting power when trying to
My driver says the truck is not getting power when trying to accelerate. It is below freezing temps here so it was left running all night. … read more
Roy Belding
Roy Belding
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Thank you. I have a 2013 Freigjtliner cascadia, with a 2016
I have a 2013 Freigjtliner cascadia, with a 2016 cummins isx 450hp. … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
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I have a Cummins ISX cm871 450hp 1650tq cpl#2732I was wanting
I have a Cummins ISX cm871 450hp 1650tq cpl#2732 I was wanting to increase it to 500hp 1850tq I have insite pro and was wanting to recalibrate my engine. I was thinking about going up 2 cpl#'s to 2734… read more
cumminsdr
cumminsdr
Mechanic
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Hello William, I have a 500hp 06 cummins isx. it only blows
Hello William, I have a 500hp 06 cummins isx. it only blows black smoke when I floor the throttle. No loss of power, but due notice I have lost about .5 mile per gallon fuel. What do you think...? I w… read more
Andy
Andy
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i just bought an 2012 peterbilt 389 with an isx 15 450hp 1650
i just bought an 2012 peterbilt 389 with an isx 15 450hp 1650 torque. Dealer says it cant be turned up. Wanting to know if there is any difference in internal parts between the 3 ISX 15 families.… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
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does anyone know what the maximum horsepower for my engine
does anyone know what the maximum horsepower for my engine is? CPL # XXXXX engine # XXXXX on a cummins isx...… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
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Can you tell me of a good way to increase my horsepower without
Can you tell me of a good way to increase my horsepower without damaging any existing parts on my truck. Currently has a CUmmins ISX 450 but I had it opened up at Cummins to 500hp. Are there any good … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
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Good morning, I have Volvo Truck VNL780 2004 model with ISX
Good morning, I have Volvo Truck VNL780 2004 model with ISX CUMMINS Engine with 450hp and three pedal auto shift transmission. I have recently replaced Batteries and Alternator on this truck.I connect… read more
Expert
Expert
Volvo: I have a Volvo 500hp 2007 s/n 455612. Can you please
I have a Volvo 500hp 2007 s/n 455612. Can you please tell me what injectors I need for replacement? I know they are ISX, EGR not DFA. Also do you know what manifold I should replace with it?… read more
diesel-tech
diesel-tech
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136 satisfied customers
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worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

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Chris (aka-Moose)

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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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