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Cat vs. Cummins

Old 04-01-2008, 02:13 PM
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Default Cat vs. Cummins

I have been talking to folks about the new trucks. Does anybody have any expirence with the new 2008 F-650's, is the new Cummings as good as people say? I heard that in 07 the Cat was the only way to go, but in 2008 the Cummings is just as good or better than the Cat ? Because if you look on line everything has the Cummings in it??
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Old 04-01-2008, 02:24 PM
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As you may or not know I sell 335 peterbilt 4 doors and cat has stopped supplying engines to pete (C-7) model. The conversion shop has 50 chassis's on the ground and they all have the 8.3 cummins 330hp with 1000lbs torque. They are 2008 models. From what I heard Cat can not meet emissions with this engine model. In talking to friends that run large over the road trucks the cummins engine seems to be the way to go. I personally was always a cat fan but I may have to change. What will you be doing with the 650? Will you make a pickup out of it or put a hauler bed on it?
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Old 04-01-2008, 04:41 PM
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The Pete is a much better truck irrespective of the motor.
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Old 04-01-2008, 07:32 PM
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Cummins.
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Old 04-01-2008, 09:11 PM
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Originally Posted by Downtown42
Cummins.
They should just change their name- it would be easier.
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Old 04-01-2008, 09:19 PM
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Originally Posted by Downtown42
Cummins.

why, from what I heard it is all emmisions stuff. Also the Cummins gets better gas mileage????
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Old 04-01-2008, 09:21 PM
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Originally Posted by bgchuby01
As you may or not know I sell 335 peterbilt 4 doors and cat has stopped supplying engines to pete (C-7) model. The conversion shop has 50 chassis's on the ground and they all have the 8.3 cummins 330hp with 1000lbs torque. They are 2008 models. From what I heard Cat can not meet emissions with this engine model. In talking to friends that run large over the road trucks the cummins engine seems to be the way to go. I personally was always a cat fan but I may have to change. What will you be doing with the 650? Will you make a pickup out of it or put a hauler bed on it?
pickup
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Old 04-01-2008, 09:42 PM
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Originally Posted by Chris Sunkin
They should just change their name- it would be easier.
What exactly did Cummins do to Diesel's motor to make it better?
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Old 04-01-2008, 09:50 PM
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Cat C7 meets emissions and is offered in other OEM's. Probably a few reasons why Paccar went with Cummins. Price was certainly a consideration. They also wanted their own engine brand so they could access parts direct to their dealer network. Cat wouldn't go there. Take a look at some oil analysises from Cat and Cummins 2007-2008 engines then draw your own conclusions.
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Old 04-02-2008, 08:18 AM
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All Cat C-series engines utilize ACERT technology and are Tier 3 emmissions compliant.

http://ohe.cat.com/cda/layout?m=9241&x=7

Reliability
Dealer Repair Frequency statistics show Cat engines with ACERT Technology are the most reliable Caterpillar has ever produced.
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Durability
Laboratory tests and engine disassembly analyses indicate that the Cat C7 engine has a B50 life of 450,000 to 500,000 miles.
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Fuel Economy
The 2007 Cat C7 engine is expected to provide a fuel economy improvement of up to 4%
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Total Owning/Operating Costs
The 2007 Cat C7 engine is engineered to offer the same reliability, improved durability, improved fuel economy and similar maintenance costs as the 2004 C7 engines for outstanding overall value.
--------------------------------------------------------------------------------
Dealer Support
Cat sets the industry standard for support with 2,500 authorized North American service locations and a 24/7 call center.

Last edited by clearcut3; 04-02-2008 at 08:21 AM.
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