Medium and Heavy Trucks

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We have a 1996 bluebird bus with a cat 3116. the vin number
we have a 1996 bluebird bus with a cat 3116. the vin number is ***** the bus runs very well when you accelerate from a stop. when you reach 30-40 mph it acts like it runs out of fuel or boost and has … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,557 satisfied customers
I need emissions data for a 1990 Cat 3406 engine w 385 hp
I need emissions data for a 1990 Cat 3406 engine w 385 hp @1500 rpm. … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,283 satisfied customers
At random non-specific (no patter we can recognize). The
At random non-specific (no patter we can recognize). The truck behaves like it kicks into neutral (you can rev up the rpms without any acceleration. This truck is a volvo vnl 2012 with an ishift trans… read more
Steven
Steven
Triage Tech/Shop Foreman
Associates
11 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
1,283 satisfied customers
I have a 1998 international with a 3406 cat 10 speed Tifton
I have a 1998 international with a 3406 cat 10 speed Tifton it Is It stays in gear sometimes when it should be in numerous … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
696 satisfied customers
I have n14 red top cummins in my 95 pete. We have been
I have n14 red top cummins in my 95 pete. We have been battling a "hiccup" for quite sometime. At first it was once in awhile and it grew more constant as weeks went by. We have replaced the foot peda… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 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
9,557 satisfied customers
1995 Pete 379 no speedometer Ecm shows the speed on computer
1995 Pete 379 no speedometer Ecm shows the speed on computer cruise works Can't retrieve the distance shows n/a… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 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
9,557 satisfied customers
I have a 99 western star w/ a 3406 e cat. It started shutting
I have a 99 western star w/ a 3406 e cat. It started shutting off usually while idling, however recently it will shut down while driving, sometimes it will start by turning the key off and back on and… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,557 satisfied customers
I have a 1989 freightliner with a 3406 mechanical engine.
I have a 1989 freightliner with a 3406 b mechanical engine. the jakes are tempermental. Sometimes they will work when you let off the throttle and other times it wont. but sometimes you can bump the t… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,557 satisfied customers
we have a problem with a 99 n14 celect plus. it hiccups intermitantly.
we have a problem with a 99 n14 celect plus. it hiccups intermitantly. usually worse when its raining? the injectors are new also cam sensor and fuel solenoid and speed sensor. we did an inframe overh… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
696 satisfied customers
I have a 99 fld 120, we have had problems with the steering
I have a 99 fld 120, we have had problems with the steering on this truck cents we bought it. When you try and turn the whel, it feels like you hit a brick wall and with out getting a cheater bar to h… read more
Jim
Jim
Diesel tech.
212 satisfied customers
we have a 1997 357 Peterbilt 30 Ton Manitex BoomTruck with
we have a 1997 357 Peterbilt 30 Ton Manitex BoomTruck with a 3406 Cat 470 HP engine, we have a problem with the truck, that when we engage the PTO and goes on the back by the controls to operate the b… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,557 satisfied customers
I just got a 93 379 pete with a 3406-e engine and we start
I just got a 93 379 pete with a 3406-e engine and we start it But it raves its self really high. What do u think is the problem ? Some people have told me its the throttle position sensor others The t… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,557 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
9,557 satisfied customers
I have a 95 grumann olsen stepvan, with about 325k miles on
I have a '95 grumann olsen stepvan, with about 325k miles on it. It's the big one with the 19 ft cargo area. A retired fedex ground truck. It has a spicer 5 speed and an international diesel. I can't … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
696 satisfied customers
I have a 94 kenworth t800 with 425HP 3406B cat. Serial prefix
I have a 94 kenworth t800 with 425HP 3406B cat. Serial prefix 3ZJ. I'm having a fueling or timing problem I believe. It has developed a miss and lost power. Has new nozzles . After idling for short ti… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,557 satisfied customers
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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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