You start going with bigger hp and torque you may find yourself getting into a lot pricier driveline components which you could add to the price of the $10,000-$15,000 difference in engine price. The difference in going up a 6 mile hill at 30 mph and 60 mph is 6 minutes. Going up hills at maximum power is harder on driveline components and tires and leads to lower fuel milage but I'm the one paying the bills on my truck so maybe I have a biased outlook.
Freightliner Coronado
Discussion in 'Trucks [ Eighteen Wheelers ]' started by BDS0111, May 31, 2009.
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These trucks will be running the entire 48 and Canada so I want to be prepared to handle anything. You guys are right about losing time on the hills, never really thought about the math. I guess it is more of a driver comfort thing for me thing. Also, right now I have a 10 speed spec'd which I was told would be more fuel efficient, easier on the driver and easier on the truck. How much fuel economy do I lose between 470 and 515. Someone told me I would lose 1 mpg but that seems high??? I'm more than willing to lose something and spend more on fuel if it makes my driver happier.
In case you can't tell, I really am all about the driver...I want to have something that they are happy and proud to be driving day in and day out... -
It is good to hear that you think well of your drivers. A good driver should be appreciated and rewarded. As already said, a bad driver is going to hurt you bad. Just my thoughts.... -
I doubt that there would be much difference between a 515 and a 470, unless, for some reason, the diesel particulate filter worked better in a 470, there isn't that much difference between the actual engines. These are 14 liter engines, the highest horsepower 12.7 was 455 in 2007 and they haven't increased that.
Freightliner Corporation was encouraging 13 speed transmissions back in 2007, because you have more speed choices to run the engine efficiently.
You can run in theory 1400 in 12th at 55 or 1400 in high at 65. 1400 to 1600 is the sweet spot for a Series 60.
Don't believe everything you hear. Get some more facts that can be verified by something other than a salespersonThe Challenger Thanks this. -
Exactly why I'm here 25(2)+2...looking for more facts!
I was told that the reasoning behind the 10 speed was that it was less work for the driver and that it would prevent the driver from running in the wrong gear more frequently. I imagine though, that the experienced drivers that I will be going after won't have a problem with this...but if I hired on a younger guy, maybe I have something to be worried about???
These trucks will be spending lots of time in large metro areas also... Lots of downtown driving, extreme backing in very tight confined spots as well as the open road.
What about the auto shift or ultra shift transmissions??? Any advantage to them? -
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I may be the odd duck, but, I don't want a Pete, don't like driving Petes, and don't plan on buying a Pete.
The company I drive for has appx 15 386 Petes that are nearly new, and a bunch of Internationals that have well over one million miles. Most all the drivers will fight to get into the Internationals instead of having to drive the Petes.
In fact, the new Petes are parked and for sale. Heck, drivers are even lining up to drive the Columbias instead of the Petes.
The Petes ride good, and have the large sleepers, but the stupid dash is so high you can't see over it, the trucks rattle worse than the Freightliners, and you can't see out of them to back up. Peterbilt has fallen a long way in quality as to what they once were in my opinion.
As far as Coronados go, there are many Freightliner dealers, the truck has a lot of room, and should ride well. The drivers view out should be one of the best for a truck with a hood. -
And the same guy is going to break alot of driveline parts (U-joints,driveshats,rearends,etc)over time using that power for acceleration. A driveline can stand tremendous power, but it has to be driven with common sense and finess. I am much more impressed with a guy that starts out from a stop, doing it very quietly and delicatly. The super truckers try to impress, flooring it in every gear. Those are the trucks not getting any fuel mileage and spending alot of time in the shop...
That is how i feel a bad driver is going to hurt you with horsepower....Native Dancer Thanks this. -
A truck does not need as much horsepower if it has plenty of torque. With a low RPM engine you are not up into the horsepower range as much anyway, but you use the torque all the time.
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Stranger,
I agree with you 100%. My friend runs his truck 1850ft 475HP of torque (Cat engine) and seldom sees a load with less than 40K in the box. Could you spec a detroit like that or does it have be a 1650ft torque engine at 470HP?
KH
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