set-forward vs. set-back axles - TheDieselGarage.com
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post #1 of 11 (permalink) Old 10-07-2005, 09:33 PM Thread Starter
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set-forward vs. set-back axles

I always liked the look of set forward alxe trucks. what are the advantages of set back vs. set forward???
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post #2 of 11 (permalink) Old 10-07-2005, 09:40 PM
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Quote:
Originally Posted by dondiesel444
I always liked the look of set forward alxe trucks. what are the advantages of set back vs. set forward???
Do you mean like on a Peterbilt front axle?

If so, it's all about manuverability.
post #3 of 11 (permalink) Old 10-07-2005, 10:00 PM
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the set back will give you a better steering diameter, but lessen the ability to load the rear more. the set forward will allow you to stack more weight on the rear axles because there is more balast (sp) out front...least thats my way of thinkin.

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post #4 of 11 (permalink) Old 10-08-2005, 01:33 AM
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axles

At work we prefer the set back axle, more manuverable with 57' trailers. We can get our KW T-600's in were we can't get a Pete 379 or KW 900.Rick

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post #5 of 11 (permalink) Old 10-08-2005, 01:44 AM Thread Starter
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ok I see now, set backs allow the tires to turn more. it's weird but I think my Mack R model has a pretty tight turning radius, a LOT tighter than my old Int'l 4900, both are set forward axles. I guess every truck is different. I know my Dad's 94 Autocar dump (was a tractor) has a terrible turing radius.

still I personally don't like the looks of most set back axle trucks, with their long noses, better for aerodynamics though. I like big square hoods!!
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post #6 of 11 (permalink) Old 10-08-2005, 03:25 AM
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Yeah who needs manuverability when you look good!: 90% of the dirt haulers around here are running 379s or 900s. They get into some pretty tight places with them too. I guess if they had set back axles they could go tighter but they don't and the fact that they have 379s shows that they must be making a few bucks at it anyway


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post #7 of 11 (permalink) Old 10-11-2005, 03:31 PM
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Does anyone have any good pictures of the two set-ups they could post?

The 379 day cab I once drove could turn on the dime, almost as good as the Volvo. :Thumbup:

TWA

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post #8 of 11 (permalink) Old 10-11-2005, 11:50 PM
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both 378's


personally i like the set backs better

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post #9 of 11 (permalink) Old 10-18-2005, 07:45 PM
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Thanks for the pics, the bottom one is a 379 I thought. That is the one I used to drive when I was hauling heavy equipment. Believe it or not, that truck had a good turning radius.

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post #10 of 11 (permalink) Old 10-18-2005, 07:57 PM
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Quote:
Originally Posted by NoWake200
Thanks for the pics, the bottom one is a 379 I thought. That is the one I used to drive when I was hauling heavy equipment. Believe it or not, that truck had a good turning radius.
Nope,both are 378's.One SFA,oneSBA

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