The KTA 600 VS The 3408 Cat - Page 4 - TheDieselGarage.com
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Poll: What would you take the KTA 600 or the 3408 Cat
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What would you take the KTA 600 or the 3408 Cat

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post #31 of 144 (permalink) Old 09-01-2010, 02:17 PM
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You've never seen a properly tuned K run then. I can say without a doubt a K tuned to run, will put 1000 hp to the tires. You'd be lucky to get 800 to the tires with the 3408. I've seen K's turn 3500 + rpm at truck pulls year after year and not be rebuilt. I'm a CAT person when it comes to the electronic engines, but CAT never built anything mechanical for a truck that can hold up to the K in the long run.

Either of these motors isn't worth the time and effort to run in a truck today. They weigh too much and don't get the best fuel mileage. An electronic CAT will be as strong as the K, be stronger than the 3408, work and survive much longer and use alot less fuel doing it.

Eddie ran some very strong KTA's also

Quote:
Originally Posted by Pope54x View Post
I am very suprised at how many people picked the KTA over the 3408. Been in trucking for many years now I know personally of several KTA butt whoopins up the Grapevine by 3408 cats along with "hot" 1693's also. An old trucker we used to run with named James E. Gantt out of Lexington, SC AKA as the "Southern Shaker" had a 3408 that could not be out ran. He was clocked in Arizona running 130 MPH plus and the police put his truck on a train and took it out of Arizona and borrowed him from coming back to Arizona. Robert Heath out of Lubbock, TX used to have some pretty tuned up 3408 also once he was done with them they would take them out and put in cow trucks to run. Moral of the story is that Cummins has been trying to out run Cats for years and they never have done it until Cat exited the market a few years ago.
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post #32 of 144 (permalink) Old 09-01-2010, 08:16 PM
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Quote:
Originally Posted by Pope54x View Post
I am very suprised at how many people picked the KTA over the 3408. Been in trucking for many years now I know personally of several KTA butt whoopins up the Grapevine by 3408 cats along with "hot" 1693's also. An old trucker we used to run with named James E. Gantt out of Lexington, SC AKA as the "Southern Shaker" had a 3408 that could not be out ran. He was clocked in Arizona running 130 MPH plus and the police put his truck on a train and took it out of Arizona and borrowed him from coming back to Arizona. Robert Heath out of Lubbock, TX used to have some pretty tuned up 3408 also once he was done with them they would take them out and put in cow trucks to run. Moral of the story is that Cummins has been trying to out run Cats for years and they never have done it until Cat exited the market a few years ago.
Here he is....Click image for larger version

Name:	38065_133376693367230_105687256136174_155025_6978077_n.jpg
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post #33 of 144 (permalink) Old 09-01-2010, 09:26 PM
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I worked On Heaths '08 at Diedre when I still lived in Texas...
Anyway, for big diesels in-lines will always build more torq by design only. Torq is HP at the R's we run. V's can't do it, (even if you offset the rods). Tho they both have the same cubes, the 08 will outlast the K by 5, but they K will out pull it every time. Just the design and equating volumetric efficiency. The floating heads and actual structure is a joke, tho necessary to repair in an army tank or whatever. A one piece head like some pullers run strengthens the whole deal, by about 150%. If the 3500 series made an in-line, K's would be toast.
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post #34 of 144 (permalink) Old 09-02-2010, 03:29 AM
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Quote:
Originally Posted by SledMan View Post
Here he is....Attachment 26977 Southern Shaker
Thats the man right there a true trucking legend. I had a "hot" 1693 back then had quite a bit of power it would wear the drive tires down on a hard pull but most 1693 would they were almost bulletproof. One time me and shaker were running across west texas on I 10 I was running around 100 MPH he pulled up beside me and romped on it and bye bye he went Ive never seen a truck do that before it was amazing too see! Both of our trucks were not EPA friendly and it killed both the 1693 and 3408 in trucks because of it. Both these trucks would smoke plenty stock but them set hot man they would really pour it out! Like the saying goes Ive never seen a fuel pump a Cat didnt like! I see alot of you talk about sled pulling keep in mind that is a vacational sport to do as fun. We ran these motors to work and worked them very hard. Trucking was fun back then when there was a power war between the 12v71 the KTA 19 and the 3408 Cat and nothing I saw would run like those big ole Cats could and were alot more reliable than anything on the road. We could pass anything but a truckstop lol back when we thought 3 MPG was good lol.
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post #35 of 144 (permalink) Old 09-03-2010, 02:13 AM
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I,m loving the reminiscing,. i had a 3408 in a 79 pete, rack was twisted in it,.had a 15 over with a 4 speed brownie,.
("60 speed" i used to tell the yankees,.) but it had stiff competion with the big kta's,.. a company called porter had some brokers with k100's that used to run 'em hauling 'a' boxes here in canada,.
i,m a little confused tho,. i,d like to know the math on the gearing and rpm to run 130 mph,..
even 100mph is pretty good,. i had another pete a few years later with a b model and it had an 8 speed with 3:90's and big rubber,..
the k100 i had had a 12v71,. it had n80's in it and had a bhasterdized 13 double over, and was fast and mean sounding with an empty flatdeck
Funny how trucks get stronger and faster as the drivers get older,..

Nick


#39

Last edited by Phantom 309; 09-03-2010 at 02:19 AM.
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post #36 of 144 (permalink) Old 09-03-2010, 05:50 AM
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"Funny how trucks get stronger and faster as the drivers get older,.."


Ha ha ...so true.

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post #37 of 144 (permalink) Old 09-03-2010, 08:16 AM
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Quote:
Originally Posted by Phantom 309 View Post
I,m loving the reminiscing,. i had a 3408 in a 79 pete, rack was twisted in it,.had a 15 over with a 4 speed brownie,.
("60 speed" i used to tell the yankees,.) but it had stiff competion with the big kta's,.. a company called porter had some brokers with k100's that used to run 'em hauling 'a' boxes here in canada,.
i,m a little confused tho,. i,d like to know the math on the gearing and rpm to run 130 mph,..
even 100mph is pretty good,. i had another pete a few years later with a b model and it had an 8 speed with 3:90's and big rubber,..
the k100 i had had a 12v71,. it had n80's in it and had a bhasterdized 13 double over, and was fast and mean sounding with an empty flatdeck
Funny how trucks get stronger and faster as the drivers get older,..

Nick
According to my math, if you were running tall 24.5 rubber with 3.55 rears and had a .62 overdrive you would have to be turning 2200 rpm and that would get you about 132mph.

With todays 3.36s and 3.23s it is a little more realistic.

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post #38 of 144 (permalink) Old 09-03-2010, 04:14 PM
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Quote:
Originally Posted by Phantom 309 View Post
I,m loving the reminiscing,. i had a 3408 in a 79 pete, rack was twisted in it,.had a 15 over with a 4 speed brownie,.
("60 speed" i used to tell the yankees,.) but it had stiff competion with the big kta's,.. a company called porter had some brokers with k100's that used to run 'em hauling 'a' boxes here in canada,.
i,m a little confused tho,. i,d like to know the math on the gearing and rpm to run 130 mph,..
even 100mph is pretty good,. i had another pete a few years later with a b model and it had an 8 speed with 3:90's and big rubber,..
the k100 i had had a 12v71,. it had n80's in it and had a bhasterdized 13 double over, and was fast and mean sounding with an empty flatdeck
Funny how trucks get stronger and faster as the drivers get older,..

Nick
What he said.
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post #39 of 144 (permalink) Old 09-03-2010, 07:43 PM
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Quote:
Originally Posted by SmokinCAT View Post
According to my math, if you were running tall 24.5 rubber with 3.55 rears and had a .62 overdrive you would have to be turning 2200 rpm and that would get you about 132mph.

With todays 3.36s and 3.23s it is a little more realistic.
Most of the trucks 'backthen' were always 4;11' and slower,.never heard of 3:55's, the old 2 stroke jokes always had 4'44's or better,. 4:63 was real common,.

Nick


#39
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post #40 of 144 (permalink) Old 09-03-2010, 09:19 PM
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Quote:
Originally Posted by Phantom 309 View Post
Most of the trucks 'backthen' were always 4;11' and slower,.never heard of 3:55's, the old 2 stroke jokes always had 4'44's or better,. 4:63 was real common,.

Nick
Yep and it's still hard to get the old guys convinced they no longer need the low gears. My uncle totally screwed up a truck, 1990 T600 with "B" Cat, 15spd and 3:70's on the lot brand new. Had the gears switched to 4:88's without driving it, you could crawl faster than it would go in low and maxed out at about 74mph. Would pull like a bulldozer but worthless on the highway, he no longer orders trucks (mine has 3:36's)
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