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Related Medium and Heavy Trucks Questions
Can I still drive my 3406 model Cat if I just broken the #5
Can I still drive my 3406 B model Cat if I just broken the #5 injector line. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,045 satisfied customers
I need engine specifications and emissions data for a 1990
I need engine specifications and emissions data for a 1990 Cat 3406 serial number 4RG00999 … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,297 satisfied customers
1995 k t 800 cat. fan only works manually we install new
1995 k t 800 cat. fan only works manually we install new thermal switch and solenoid problem still there need help. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
Looking for the placement of the barometric pressure sensor
Looking for the placement of the barometric pressure sensor on my 1998 3406 … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,297 satisfied customers
1986 KENWORTH T600 WITH 3406 CAT ENGINE. Was fine, sat for a
1986 KENWORTH T600 WITH 3406 CAT ENGINE. Was fine, sat for a while and now has to be primed to start and once it does it revs up rapidly to 2400 rpm. Accelerator pedal has no effect. Have to control b… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,297 satisfied customers
What type of system does a cat C7 use to aid starting in
what type of system does a cat C7 use to aid starting in cold weather? Glow Plugs or something else? … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,045 satisfied customers
Trying to find a place online that i can input my engine
trying to find a place online that i can input my engine serial number to see if im exempt from teh eld mandate … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,045 satisfied customers
I just bought a new 226d cat skid steer. I cant find the
I just bought a new 226d cat skid steer. I cant find the block heater location. I have the cord. … read more
Curtis B.
Curtis B.
Retired service manager
Associate Degree
3,495 satisfied customers
I need a diagram of a fuel air ratio valve for correct
I need a diagram of a fuel air ratio valve for correct assembly on a 3406 cat motor … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,045 satisfied customers
3406 cat engine in 379 peterbilt needs rebuilt. was
3406 cat engine in 379 peterbilt needs rebuilt. was wondering if anyone can help me figure out which one i have because it does not appear to be the arriginal engine and all the plates are not on the … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
We put a 3406 cat in 2000 freightliner it would start but no
We put a 3406 cat in 2000 freightliner it would start but no acceleration we put the computer off the other motor on it now it will only start with either but accelerator works … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,045 satisfied customers
Cat Man. Looking the deck or top of the block on a C15
Hello again Cat Man. Looking for specs for inspecting the deck or top of the block on a C15 serial number MXS69732. Obviously I have pulled the head. There is pitting on the deck where the round seals… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,045 satisfied customers
I am in need specs and overhead clearances cat engine I'm
Hello again I am in need for tourqe specs and overhead clearances for a cat engine I'm having a hard time finding serial #it is an 3406 a model it's in a 86 international truck… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,045 satisfied customers
I'm trying to figure out how to adjust Jake brake on a 89
I'm trying to figure out how to adjust Jake brake on a 89 model peterbilt with a 3406 b cat engine. Jake works , just doesn't slow the truck down any… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,045 satisfied customers
HI Dan I have a 3406 Cat in my commercial fishing boat in
HI Dan I have a 3406 Cat in my commercial fishing boat in Bristol Bay. The Cat mechanic is too busy to be bothered with small jobs such as changing injectors. I have bought my own injectors and was wo… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,045 satisfied customers
Cat Man - Hope youre staying warm. I have a bunch of engines
Cat Man - Hope you're staying warm. I have a bunch of engines I need exhaust flow rate, exhaust temperature, DPM emission rate and maximum allowable backpressure. They are: Model Serial# 6.6 66604755 … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,045 satisfied customers
I am working on a 3406. It lost two lifters and got the cam.
I am working on a 3406. It lost two lifters and got the cam. We dropped the oil pan and found the remains of the lifters, but in addition we found what appears to be three needle bearings. They are ap… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,045 satisfied customers
Freightliner cab over: 73 freightliner cab over 300 cat motor
73 freightliner cab over 300 cat motor - cannot get it to start. can't seem to get fuel to engine, put in new feul filter but still won't start. turns over fine. Is there another fuel pump besides the… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,045 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

3,632 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

10,045 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

3,400 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,672 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

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All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

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149 satisfied customers

16 years of experience

dieseldan55

dieseldan55

Contractor

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Road Service mechanic for Volvo Construction.

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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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