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I have a 1990 cat 3406b that started putting pressure in the
Hi.I have a 1990 cat 3406b that started putting pressure in the radiator. I did the bottle test lots of bubbles. talked to cat they said bad head gasket or liners are shot. pulled head off gasket look… read more
Cat Man
Cat Man
Cat Engine Expert
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I am original owner/driver 94 PETE w/CAT 4CK PEEC III 460
I am original owner/driver 94 PETE w/CAT 4CK###-##-#### PEEC III 460 HP. I have kept everything genuine CAT parts. 1st in-frame due to hole in piston #2, now hole in piston #1 @ 188,000 original chass… read more
Cat Man
Cat Man
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I have a 3406 cat I removed the crankshaft it had a spun
I have a 3406 b cat I removed the crankshaft it had a spun bearing... the rest of the engine was untouched.. what is the best way to set the timing? … read more
Cat Man
Cat Man
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When changing the oil found a 3/16 bolt and screw on the
Hello , when changing the oil found a 3/16 bolt and screw on the magnet. Also found what I believe to be a piece of aluminum about 1 1/2 with an irregular shape. I believe it is aluminum because I cou… read more
Cat Man
Cat Man
Cat Engine Expert
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5,114 satisfied customers
I have a 3406B model that i am have a temp issue. its very
i have a 3406B model that i am have a temp issue. its very inconsistent my local mechanic advised that i check the bolt on the impeller of the water pump to make sure that it is tight. and id like to … read more
Cat Man
Cat Man
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Cat Man, We are replacing the head gasket on a 3406B. The
Cat Man, We are replacing the head gasket on a 3406B. The old water seals for the spacer plate are rubber with a brass insert inside... The new ones are bright red part number 359149. Did my parts sup… read more
Cat Man
Cat Man
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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
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L have an 87 /GMC with a 3406B Cat. we are having temp
l have an 87 White/GMC with a 3406B Cat. we are having temp issues and cannot find the temp sensor for the temp gauge.… read more
Cat Man
Cat Man
Cat Engine Expert
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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
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Have a Steiger series III tractor with a Cat 3406B engine.
Have a Steiger series III tractor with a Cat 3406B engine. Need to remove #5 injector. After removing the fuel line under tappet cover and nut above injector cover. CANNOT remove the cover or thick wa… read more
Cat Man
Cat Man
Cat Engine Expert
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5,114 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
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I have a 3406B CAT engine one of the bushings on top of the
I have a 3406B CAT engine one of the bushings on top of the fuel pump is leaking. What tools do I need to replace it? How do I replace it?… read more
Cat Man
Cat Man
Cat Engine Expert
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Currently I have a cat 3406B in my truck. Serial 3zj51514.
Currently I have a cat 3406B in my truck. Serial 3zj51514. I found a replacement motor 7fb87208. Will they interchange ok?… read more
Cat Man
Cat Man
Cat Engine Expert
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5,114 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
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Hey Cat Man I have a 3406B that is leaking behind the front
Hey Cat Man I have a 3406B that is leaking behind the front cover but in front of the air compressor can you tell me how long and the procedure for this job?… read more
Cat Man
Cat Man
Cat Engine Expert
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Can you give me a step by step instruction for adjusting the
Can you give me a step by step instruction for adjusting the valve train on my cat 3406B 425 hp with Jake brake. 3ZJ prefix. Thanks… read more
Cat Man
Cat Man
Cat Engine Expert
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My cat 3406B in a 94 kenworth . Serial no 3zj. Its developed
My cat 3406B in a 94 kenworth . Serial no 3zj. It's developed a miss when you first accelerate then the miss clears up. Also low on pulling power. What's your thoughts… read more
Cat Man
Cat Man
Cat Engine Expert
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5,114 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
5,114 satisfied customers
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