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Tractor Talk Discussion Forum

Truck Engines

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4020

03-30-2005 04:57:25




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I was wondering what Caterpillar engines are availibe in semi"s. Are they straight 6"s or are they V-6, or V-8?




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Can't even use my name

03-30-2005 19:13:36




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 Re: Truck Engines in reply to 4020, 03-30-2005 04:57:25  
Most all engines in the semis were I6's. Most popular till recently were the 3406's. Monsters in every way. Long lasting, powerful, and not bad on fuel and they start easily even in the cold. Around here Cat's are considered the Cadillac's of engines. Usually the owner/operator trucks that are all chromed out have a Kitty purrin under the hood.



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J. Schwiebert

03-30-2005 15:31:09




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 Re: Truck Engines in reply to 4020, 03-30-2005 04:57:25  
If you are looking at a NEW truck since these alliances were formed with the truck manufacture and the different engine manufactures you do not have the wide range of models and manufactures any more. Also you are starting to see the manufactures go to a "foreign engine" now. This includes Volvo, International, and of course Freightliner. I think Paccar might also be starting to work on importing one of their smaller trucks. If you are a deere man you may be interested in the fact that Deere made some of the Detroit Series 60 castings.

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Redman

03-31-2005 11:03:16




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 Re: Truck Engines in reply to J. Schwiebert, 03-30-2005 15:31:09  
deere owned 65% of detroit for awhile,infact the 12.5 in the 9400s is a version of the 12.7 detroit.
the 12.5 is the one that deere casted.
what engine of international is not international?



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buickanddeere

03-31-2005 14:08:46




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 Re: Truck Engines in reply to Redman, 03-31-2005 11:03:16  
Those Detroit 60 series four valve engines look a lot like the Deere 8.1 and 9.0.



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Rod F.

03-30-2005 12:20:06




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 Re: Truck Engines in reply to 4020, 03-30-2005 04:57:25  
The 3406 was Cat's big engine for many years in heavy trucks. I'm not sure if it's still available, but it's a bit dated now. The 3176 was also a popular electronic fleet spec engine for many years. Current models are the C12, C13, and I think the C15 is the big one, up to about 550-600 hp. Cat 6's are generally good engines, and the old 3406 was about as tough and long lasting as they come. DD 60's are good engines, and a vast improvement over the old 71's and 92's. The new Cummins engines are somewhat improved over the old L10's, NTC855's and N14's. Electronic control has brought on a revolution in Cummins engines. Now, they actually start on a cold day. Many an old 855 that needed a lot of cranking when it wasn't tethered. The 3208 cat is probably the last V-8 Cat still floating around in my area. They were good on fuel and hard on bearings. Personally, I would not have a tandem with a 3208. Just not a real great engine for a heavy application. I'm looking at a Kenworth with a 3176 right now, and the engine would be the least of my fears with that truck. Take care.

Rod

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Redman

03-31-2005 11:04:26




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 Re: Truck Engines in reply to Rod F., 03-30-2005 12:20:06  
C16 is the big cat now.



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Mike M

03-30-2005 07:38:03




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 Re: Truck Engines in reply to 4020, 03-30-2005 04:57:25  
Alot of guys really like them,until that is they need overhauled then it's big bucks. The Cummins is popular because of lower prices and you can do it in sections(the cyl. heads in sections) if you are really on a cheap budget.



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RustyFarmall

03-30-2005 07:04:20




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 Re: Truck Engines in reply to 4020, 03-30-2005 04:57:25  
All of the current engines in use are in-line sixes. (to the best of my knowledge) There is the smaller, 3208 V8 that found its way into a few semis but mostly medium duty straight trucks. Cat also had, or still has, a large V8 that was used in heavy trucks several years ago. I understand that the large V8 was not very fuel efficient.



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Redman

03-31-2005 11:07:02




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 Re: Truck Engines in reply to RustyFarmall, 03-30-2005 07:04:20  
3408 is the big one,and yes they sure like fuel.
but they have a mountain of power,i think they cmae in the trucks at 450 hp but many were running 700 plus.
about 3.5 mpg average.



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Willy-N

03-30-2005 07:49:07




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 Re: 3208 Cat Truck Engines in reply to RustyFarmall, 03-30-2005 07:04:20  
I have the 3208 Cat in my Tender. Rated at 210 hp 650 ft lbs and seems to do OK. It is a 1985 GMC TopKick C 7000 30,200 GVWR. Been getting 10 mpg with it and it does not use oil. Not Turbo Charged so not worked as hard. Heck my pickuponly gets 10 mpg and weights 5,000 lbs! Mark H.



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Can't even use my name

03-30-2005 19:08:11




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 Re: 3208 Cat Truck Engines in reply to Willy-N, 03-30-2005 07:49:07  
We have a Topkick with a non turbo 3208 too and with a full load of hay it weighs about 33k and gets 10 mpg loaded or empty.



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BobinOH

03-30-2005 06:51:33




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 Re: Truck Engines in reply to 4020, 03-30-2005 04:57:25  
I've always seen straight 6 engines in them.



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4020

03-30-2005 07:11:18




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 Re: Truck Engines in reply to BobinOH, 03-30-2005 06:51:33  
The reason I asked,is I am looking for a big truck with a diesel engine and I dont know anything about the cat engines.



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Leland

03-30-2005 17:55:56




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 Re: Truck Engines in reply to 4020, 03-30-2005 07:11:18  
they all are about the same on performance and fuel milage ,but what kind of work is this truck going to be doing if this is just a local puddle jumper then 350 HP 9 sp with a lo hole is all you really need or are you going cross country climbing mountians then by all means a C-15 cat set a 660 with an 18 sp would be perfect



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Leland

03-31-2005 05:36:53




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 Re: Truck Engines in reply to Leland, 03-30-2005 17:55:56  
Well then as cheap as they are going for today I would look for a freightliner the used truck market is flooded with them and you should be able to find a 4-5 year old one for less than 15,000 in good shape. But since you will be hauling cattle look for one with at least a 220" wheel base this way you will be able to scale on the bridge laws This will keep D.O.T happy. And a lot of owners I know love the detroits they seem to last I know of some with over a million miles still going but it's a buyers market right know for used trucks good luck.

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4020

03-30-2005 19:18:33




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 Re: Truck Engines in reply to Leland, 03-30-2005 17:55:56  
Iam just kind of looking at trucks .Maybe another 10 wheeler diesel with a grain bed or maybe a tractor and grain trailer and maybe a ground load stock trailer. my goose neck stock trailer is pretty well used up,so I thought a tractor might be an idea.I just need another truck to haul from field to bin or to local elvator, 20 miles one way or maybe to the city 150 miles one way. For livestock I back ground cattle so that would be local hauling 50 miles one way. THANKS AO MUCH FOR ALL THE IDEAS.

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4020

03-30-2005 19:09:54




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 Re: Truck Engines in reply to Leland, 03-30-2005 17:55:56  
Iam just kind of looking at trucks .Maybe another 10 wheeler diesel with a grain bed or maybe a tractor and grain trailer and maybe a ground load stock trailer. my goose neck stock trailer is pretty well used up,so I thought a tractor might be an idea.I just need another truck to haul from field to bin or to local elvator, 20 miles one way or maybe to the city 150 miles one way. For livestock I back ground cattle so that would be local hauling 50 miles one way. THANKS AO MUCH FOR ALL THE IDEAS.

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RustyFarmall

03-30-2005 08:08:58




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 Re: Truck Engines in reply to 4020, 03-30-2005 07:11:18  
It's been several years since I did any serious driving but when I did I had experience with Cat, Cummins, and Mack. The Cat powered trucks were my favorite, the Cummins had a tendency to run out of steam too quickly when starting up a hill. The Cat would be much further up the hill before you had to start grabbing gears. The Mack seemd to be more on par with the Cat. That's been several years ago, everything could have changed by now.

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Harley

03-30-2005 09:39:09




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 Re: Truck Engines in reply to RustyFarmall, 03-30-2005 08:08:58  
Well howdy, finally something I know something about. The Cummins are good engines except for their V-8 which they don"t make anymore. It was called the 903, because it had 903 cubic inches. Cat made a big V-8 that was the 3408. Power up the wazoo, but like Rusty said, about 4 miles to the gallon. Cat 3406 was a real workhorse, and still used today. All the newer diesels are named by their litre size, i.e., cummins L10,L11,L12, Detroit L12, L14, ETC. The newer series 60 Detroits are a very good engine, I have one with over 800,000 miles on it and still going strong, but the old 2-cycle detroits stay away from like the plague. They were classified as throwaway engines as far as I"m concerned. They were cheaper than the others to overhaul, but they went down sooner too. They used to say the only way to drive an old detroit was to get up late for work, slam your foot in the door on the way out, and drive mad all day. In other words, keep your foot plumb down in it. These old engies were the 6 cylinder 6-71, or 235 HP, the 8-71 or 318, the 6V92, 8V92, which was up to 430 HP, and a few V-12s. That"s about it in a nutshell. Later, Harley

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RustyFarmall

03-30-2005 11:58:48




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 Re: Truck Engines in reply to Harley, 03-30-2005 09:39:09  
Those old 2 cycle Detroits did have a bad reputation for a short life but there was nothing else on the road that sounded as good as a screamin' Detroit.



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buickanddeere

03-30-2005 14:50:59




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 Re: Truck Engines in reply to RustyFarmall, 03-30-2005 11:58:48  
I'm rather partial to the Drooling Detroits myself. Ran an 82-30 Terex dozer with a 6-71 for a couple of summers. Wore ear plugs and external hearing protection together. My Uncle ran the 82-40 8V-71 Terex with the drainage tile plough.The 8V-71 didn't seem half as loud as the 6-71. Of course the 2-53 in the 435 is pure music when cranked to the higher redline the updated valve springs allow. Engine life for Detroit two strokes is considered rather durable around here. As long as they were fed clean fuel, air and oil they lasted as long as any. DD two stroke rebuild parts are probably the cheapest out there. Cold weather starting problems are easily solved with updates to “N” specs. The very flat torque curve seems to mislead drivers used to fourstrokes. The two stroke was always at or close to peak torque. The fourstroke has to lug and loose 20-30% of rated rpms before reaching peak torque. On a two stroke when rpms start to drop under load it's just time to down shift. Of course on the dozer with a torque converter they felt unstoppable. And would spin the tracks no matter what the surface was. The inline 6 seems to be the best workable combination for a diesel engine in any sort of moving machine/vehicle.

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Hayman

03-30-2005 17:57:52




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 Re: Truck Engines IH DT466 in reply to buickanddeere, 03-30-2005 14:50:59  
Been truck shopping myself for a 30,000lbs+ GVW mid size truck with a diesel. From what I've been hearing the IH's with the DT466's are suppost to be pretty good. People I've talked to say they are the cheapest engines to rebuild as the kits are cheap compared to others. Another one that seems to get a good rep in this size of truck is the 5.9 cummins. I've found a few fords with them in. Looked at a Topkick with a CAT and was told to stay away from them??

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J. Schwiebert

03-30-2005 18:16:31




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 Re: Truck Engines IH DT466 in reply to Hayman, 03-30-2005 17:57:52  
The DT 466E has a very good reputation. I also found out last spring while they have been building the DT-446 since the 70's they do not even all have the same bore & stroke. There were some major changes made to the head and fuel system a year ago. It is sweet set-up.



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