Medium and Heavy Trucks

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3406b 1993 CAT INJECTION PUMP REPLACE, NEW PUMP INSTALL
3406b 1993 CAT INJECTION PUMP REPLACE, NEW PUMP INSTALL SMOKING BLUE AND WHITE ,REPLACED OLD PUMP SMOKING. TRUCK WAS NOT SMOKING UNTIL I CHANGED THE PUMP. I DID CHANGE THE REAR HOUSING UNIT FROM OLD T… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,637 satisfied customers
I have a 3406 costomer wanted turned up took screws out and
i have a 3406 b costomer wanted turned up took screws out and set afc truck starts fine take out of shop and after i get alittle boost pressure it acts like it is running out of fuel if i shut it down… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
697 satisfied customers
I can't get pressure on density cylinder. 644 baler.
I can't get pressure on density cylinder JA: What is the complete model and serial number of your machine? Customer: 644 baler JA: Are you fixing this yourself? What have you tried so far? Customer: R… read more
dd85
dd85
Service Manager
20 years Service Manager at Dealersh
223 satisfied customers
3406b sn number 7FB99733 driver complains about no power
3406b sn number 7FB99733 driver complains about no power while driving it seems like the power comes on at 2200-2400 rpm which I think should be coming in at 1500-1800 rpm. Well long story short the e… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,637 satisfied customers
Primed the fuel filter now it cranks but does not start.
primed the fuel filter now it cranks but does not start. After research I now there's air in the system and have cleared it from air up to the fuel filter. Need to know which is the next part to crack… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,637 satisfied customers
Catman. You helped with a supposed model not to ago and we
Hi catman. You helped with a supposed b model not to long ago and we finally rounded up all the parts and inframed this engine. This engine has been reman by cat before and parts are from multiple tru… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,637 satisfied customers
2006 IH 4200 VT365 engine. Engine runs smooth but has Very
2006 IH 4200 VT365 engine. Engine runs smooth but has Very low power from a dead stop and when climbing hills. Only builds 2#'s of boost until the truck gets going and then it slowly goes higher. Exha… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
I have a 1984 peterbilt 379 with a cat 3406b we just replaced
i have a 1984 peterbilt 379 with a cat 3406b we just replaced the engine when we started it ribs it self wide open and wont shut off unless u block the turbo off… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,637 satisfied customers
Weve got a 3406b here, serial #3zj2222, the customer brought
weve got a 3406b here, serial #3zj2222, the customer brought it in for new injectors, so we put a set in from cat, the truck idles fine and runs fine at wot, but between about 1200 and 2000 rpm it mis… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,637 satisfied customers
installed fuel pressure gauge @ secondary filter needle rapid
installed fuel pressure gauge @ secondary filter needle rapid movement 20-40 psi.having cold weather problems 3406B… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,637 satisfied customers
I am working on a Cat 3406C eng sn#8PN09907. Truck is hard
I am working on a Cat 3406C eng sn#8PN09907. Truck is hard starting, once it starts it run fine. Just had injection pump rebuilt with new fuel lift pump. Getting 38psi fuel pressure when cranking but … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,637 satisfied customers
Working on a 3406B (manual pump) Caterpillar. Very hard to
Working on a 3406B (manual pump) Caterpillar. Very hard to start, sometimes wont start without ether. Once started it runs fine with the exception that it will kill at idle sometimes and wont restart … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,637 satisfied customers
i have a 1985 ford l9000 with i believe is a 3406 all tags
i have a 1985 ford l9000 with i believe is a 3406 all tags have been removed and cant find any stamping on the block. i have an injection pump that is leaking fuel on the inside of the pump next to th… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,637 satisfied customers
I have a Cat 3406B its leaking fuel from the exhaust manifold.
I have a Cat 3406B it's leaking fuel from the exhaust manifold. Just inframed, head rebuilt, 6 new injectors ( Cat Remans ) Whats causing this???… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,637 satisfied customers
I have a customer that had ther injection pump rebuild and
I have a customer that had ther injection pump rebuild and replaced it on the truch themselves had out of time I retimed but truck still wants to smoke heavily and skip at startup gets better as it wa… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,637 satisfied customers
My 94 kenworth t800 has an a mechanical 3406B caterpillar engine.
My 94 kenworth t800 has an a mechanical 3406B caterpillar engine. 3ZJ prefix and 425 hp rated. I'm having issues with sluggish throttle response and low power still. It seams to have a miss when under… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,637 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
9,637 satisfied customers
hi have a b series cummins engine here that had a turbo waste
hi have a b series cummins engine here that had a turbo waste gate welded shut i have rebuilt engine in now but want to get the waste gate working on the new turbo the solarnoid on the inline pump loo… read more
DirectInjection
DirectInjection
Field Service
Diplom
56 satisfied customers
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