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CATEGORY LISTINGS > CATERPILLAR > 3406e....2ws, differences between c-15 [ REFRESH ]
Thread Title:

3406e....2ws, differences between c-15


Created On Thursday January 17, 2013 10:33 Diesel Talk
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ricky
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Note Thursday January 17, 2013 10:33 View thread in raw text format
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what are the differences between the c-15 6nz and my 3406e 2ws, the truck is a 2000 model, last year for this motor......i've been told the c-15 is lighter, wondering which part's they lightened.....

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ricky.......
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TDcrash63
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Note Saturday January 19, 2013 07:22 View thread in raw text format
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If there is a wieght difference it is minor. Improved gasket and sealing surfaces and materials more orings and intergal seals than gaskets. A little more braking hp. Maybe a Ecm change. Thats it I believe.
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ricky
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Note Saturday January 26, 2013 17:14 View thread in raw text format
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thanx for the reply, although that is not what i am being told.... i'm told 100 pound difference and a cam sensor change.....just trying to get all info for future build.....not sure if my guy has the info correct......

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ricky.......
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JoeZ
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Note Monday January 28, 2013 05:15 View thread in raw text format
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The C-15 is about 2,700 lbs and the 3406 is about 2,900 lbs. Depending on the arrangement, that could vary. The basic structure of the engine is the same but the flywheels are different. The C-15 has a lighter crank. The C-15 has a lighter compressor. The C-15 has lighter main bearing caps. The block is lighter. The gear train is different. 200 lbs on anything that size is not a big deal. Having worked on many of both engines, I would rather have a 3406E any day over a C-15.

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One of the last 2 Stroke mechanics left.
44 years in the business and worked on everything from 53 series to 149 series. Winding it down now...time to move on.
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ricky
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Note Thursday January 31, 2013 12:27 View thread in raw text format
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that sound's about the same as i been hearing, good stuff to know, thanx for the replies from both of you.....i'm going to rebuild my 3406e with a bit more power in mind, i don't want to have a crank problem anytime in the future, i have 770,000 miles on it now and doing good....do you know if there is a failure point in mileage...it has been set at 475hp since the day i bought it new.....thanx again....

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ricky.......
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TDcrash63
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Note Saturday February 02, 2013 17:17 View thread in raw text format
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Have seen many go well over a million+ I am a big believer in oil samples. Most common I see is failed head gaskets.
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JoeZ
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Note Sunday February 03, 2013 15:21 View thread in raw text format
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Not many problems with the 3406E....like TD said....only some head gasket problems. Had a few C-15's spun main bearings....never saw that in any 3406. 3406 is one of the more bullet proof engines ever made.

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One of the last 2 Stroke mechanics left.
44 years in the business and worked on everything from 53 series to 149 series. Winding it down now...time to move on.
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ricky
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Note Wednesday February 13, 2013 13:54 View thread in raw text format
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i have 770,000 miles on it and have only put a water pump and two injector's in it since new....i did replace the turbo with a cat reman at 500,000 just for piece of mind....i will be putting rods and main bearing's in this summer, but i bet they are in decent shape. i have only used rottella oil out of the plastic jugs, never anything out of an under ground tank....always changed by me.... i feel they are a great,dependable motor also...just wonder why you would change a good thing....

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ricky.......
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ricky
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Note Thursday December 18, 2014 14:58 View thread in raw text format
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i now have 850,000 miles on it with another cat reman water pump.......still haven't changed bearings yet....but i will soon.....

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ricky.......
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Brent
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Note Friday December 19, 2014 16:58 View thread in raw text format
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I would consider a changing the dampener too. I had seen a few broken cranks in these. Was always told by the older mech. that caused by not changing it. But I figure it can't hurt.
Brent
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