Truck trivia question - Chevelle Tech
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post #1 of 11 (permalink) Old Aug 8th, 19, 11:37 PM Thread Starter
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Truck trivia question

When I am out on the interstate I never see cab-over-engine highway tractors anymore. Is there some reason that they have gone away? I see only conventional cab tractors nowadays. What is up with that?
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post #2 of 11 (permalink) Old Aug 9th, 19, 12:23 AM
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Bob
 
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Re: Truck trivia question

Look real close at the Conventional tractors. The steering axel is set back so its dang near like a COE tractor. YES, You can still buy a long nose Petercar and a KW.
Todays tractors with the set back steer is very nice riding and REAL EASY to get in and out of.
I did not like my Cab over KW, WHY? Between you and the wreck ,,,, You have a VERY thin piece of Alum.
Bob
Plus... A lot of laws have changed regards to O.A.L. & Wheel base, Trailer length. & distance between axels. The first number in the late eightys were--13--36--55 Ft. Now you can pull a 102" wide. Doubles & Triples in some states. Many years ago Roadway X. would run radials on the steer axel, WHY?
Bias. tires were rated at 5300 Lbs. each or X-2= total of 10.600Lbs. Radials were 8300 Lbs. or X-2= 16200 Lbs. BIG-R ran 15000 Lb. steer axels.


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post #3 of 11 (permalink) Old Aug 9th, 19, 10:36 AM
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Re: Truck trivia question

I still see cab over tractors around here every so often. Theyíre not common anymore. Mostly farmers have them in these parts. Once in a great while Iíll see one on the interstate. Cool looking rigs, for sure.

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post #4 of 11 (permalink) Old Aug 9th, 19, 11:02 AM
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Re: Truck trivia question

A cab-over in Okla is ultra rare any more. And it seems that the ones which I do see appear to be older trucks. It's been MANY years since I've seen a modern cab over.
I've also wondered why cab over trucks are scarce.

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post #5 of 11 (permalink) Old Aug 9th, 19, 11:04 AM
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Re: Truck trivia question

I'd say a lot of it has to do with ride quality. After all... you are sitting on top of the front axle.
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post #6 of 11 (permalink) Old Aug 9th, 19, 11:17 AM
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Re: Truck trivia question

Aerodynamics for fuel mileage. Cab-overs were bricks compared to the trucks on the road today.
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post #7 of 11 (permalink) Old Aug 9th, 19, 12:16 PM
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Re: Truck trivia question

Throughout Europe all you see are cabovers, no conventional trucks at all.

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post #8 of 11 (permalink) Old Aug 9th, 19, 12:18 PM
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Re: Truck trivia question

Europe is all cabover due to ancient streets/turning radius concerns. But yeah, very rare to see one on the road here. In my youth I wouldn't have been caught dead in a cabover but these days if I got back into the business I might specifically seek one out, preferably with boat-anchor Detroit 2 stroke. Curious how our tastes change as we mature.

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post #9 of 11 (permalink) Old Aug 9th, 19, 4:42 PM
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Re: Truck trivia question

Way back the old 318s were know as a " Double Breasted Yamaha ". I just came back from England and most all C.O.E. have a set back steer axel. LOOK at the fifth wheel placement on the C.O.Es. from across the pond!
In most of Europe due to the roads that are in place, You must have a COE and a Pup Trailer or two.
Bob


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post #10 of 11 (permalink) Old Aug 9th, 19, 10:16 PM
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Re: Truck trivia question

Aerodynamics and fuel mileage are part of the reason as well!

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post #11 of 11 (permalink) Old Aug 9th, 19, 11:43 PM
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Re: Truck trivia question

Also the relaxing of trailer & total unit length has eased the need for the space savings of a tilt cab. Today all I seem to see are conventionals. I think Schneider Transport was the last I saw around here running International COEs.

As was said, all you see in Europe are cab-overs. I saw numerous cabover tractor-trailers getting on & off of ferries when I was there recently. They have narrow roads in ancient cities & plenty of mountain pass switch-backs. Parking in Europe is almost a contact sport.

"The more you know,
the more you realize there is that you don't know." - Dad


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