Best Motor For Heavy Duty--?? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 89 (permalink) Old 02-17-2007, 02:04 AM Thread Starter
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Best Motor For Heavy Duty--??

The topic in the MD section got me thinking and I've always heard the C15 cat was the best motor, but from what I read here it sounds like none of them are worth owning, So whats the best motor for a heavy duty??? (BTW Please forgive me for the threads with basic questions, but I'm new to the diesel thing, as are alot of people)

04 Silverado 2500HD LB7/Allison, EFI live by duramaxtuner.com with DSP5, 4" MBRP turbo back straight pipe, polished 5" tip, 5% tint, riding on 285 fierce attitudes, many more mods....
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post #2 of 89 (permalink) Old 02-17-2007, 02:38 AM
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"Some people are educated beyond their intelligence."

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I love my Cat powered Peter car And my Cat powered K.W.
But the only good engine is the one that makes you money!!!!!

2001 Dodge quadcab 4x4,Auto transmission,Fass 150/150 pump, Among other upgrades.
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post #4 of 89 (permalink) Old 02-17-2007, 04:31 AM Thread Starter
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Quote:
Originally Posted by bmoeller
damn it...should've searched, sorry. me-> laugh

04 Silverado 2500HD LB7/Allison, EFI live by duramaxtuner.com with DSP5, 4" MBRP turbo back straight pipe, polished 5" tip, 5% tint, riding on 285 fierce attitudes, many more mods....
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post #5 of 89 (permalink) Old 02-17-2007, 06:31 AM
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ok for the scond time here they are in particular order.

CAT 3406E 15.8L PRE 02

Cummins N-14

CAT acert post 02

cummins ISX 2004+
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post #6 of 89 (permalink) Old 02-17-2007, 01:08 PM
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KTA Cummins 1150.
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post #7 of 89 (permalink) Old 02-17-2007, 02:51 PM
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Originally Posted by Duke
KTA Cummins 1150.
I was gonna throw that one in too.

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post #8 of 89 (permalink) Old 02-17-2007, 03:02 PM
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"Best motor for HD"

That depends on what you are doing with it.

If you need to pull HEAVY (loaded reefers, flat-bed loads etc) CAT is your best choice. They simply out-pull anything else on the market. BUT, if they break, they are by far the most expensive to repair.

If fuel economy, ease of operation, nad low cost of ownership are your goals, NOTHING beats a pre-'04 Detroit Series 60 (DDEC II, III or IV).

If you want a common engine that can be repaired by nearly every shop, gets decent economy, and the problems with it are well known so quickly identified and fixed, the Cummins N14 is a very good option. It does nothing BETTER than the others, but it also does nothing badly.

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I Support: Trailer brakes an every axle over the towing vehicle's GVW; CDLs for RVers; Safety inspections for ALL vehicles and 6 axle trucks (97K GVW proposal).

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post #9 of 89 (permalink) Old 02-17-2007, 06:36 PM
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Quote:
Originally Posted by John_G
CAT is your best choice. They simply out-pull anything else on the market.
Oh, I don't know about that. My ISX500 will hang with a 550hp C15.

Although, the guy I was running with has 3.55 gears, and I have 3.90s. : I don't get passed by to many people on hills. :93C_peelo

"Some people are educated beyond their intelligence."

'93 W350 CC, LE, 5spd, HTT modded H1C, 4" DE

Sold- '99 3500 Q/C, SO CTD, 4x4, 5spd.

Traded off- '97 3500 C/C, 4x4, CTD

'92 W250, LE, CC, CTD w/ tweaked pump (SOLD)


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post #10 of 89 (permalink) Old 02-17-2007, 06:38 PM
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Quote:
Originally Posted by bmoeller
Oh, I don't know about that. My ISX500 will hang with a 550hp C15.

Although, the guy I was running with has 3.55 gears, and I have 3.90s. : I don't get passed by to many people on hills. :93C_peelo
Amen brother amen

1996 Gmc k2500 4x4 6.5 turbo diesel, with mods Blew the head gasket, put all new heads, valves, injecotrs gaskets etc on the truck only to get it together and find out it had no oil pressure, and sounded horrible (pry a spun bearing). SOLD
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