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#1
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what is the right way to figure wheelbase?
axle nut of the steer to axle nut of the last axle on my wrecker it is 25'' and when I scale up I get 29'2'' or 350'' im thinking I could go longer for the wrecker |
#2
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Thats the way I would work it out ctr front axle to ctr rear axle
As over all length would be front of the vehicle to rear of the vehicle Cheers Tracy
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RIP FreddyGearDrive 2-12-59/12-19-11 Love my Kenworths To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. |
#3
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I could be wrong but I think it is measured from the front axle to the center on the tandems(trunion). That's the way it was measured on the 850 KW's anyway. I thought it was measured from the front to rearmost axle and had to redo my frame length twice because it was too short!lol
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#4
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Reg is correct, steer axle center line to rear suspension centerline.
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#5
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so the rear leaf spring pivot nut
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#6
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#7
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RIP FreddyGearDrive 2-12-59/12-19-11 To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. |
#8
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on a 3 axle semi tractor .....center of front axel to center of tandems.
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MACK
"The Greatest Name in Trucks" |
#9
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what about with a lift axle in the mix?
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#10
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The lift axle wont make a diference it is to the center of the drive axle or axles.
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AKA "00" Biddle RIP FreddyGearDrive 2-12-59/12-19-11 |
#11
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I could be wrong but I think you measure a wheel base from the center of the front axle to the center of the rear most axle. Ed
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#12
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![]() ![]() Center of steer to center of tandems. If it were tri drive? I'm not sure. But likely still center of rear two axles.
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Sharing knowledge is one thing that defies basic arithmetic logic --- the more you share, the more you get! Joe |
#13
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I think it's confusing but it might help to look at this site, http://www.cdxetextbook.com/safetyIn...aswhlbase.html hope it helps.
Bo |
#14
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Bo they call that axle spacing
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#15
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cabs
OK......so what is the difference ? they talk about wheelbase but mean axle spacing ?! even more confusing !? |
#16
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In the manufacturing arena, axle spacing would be the distance between the center line of the drive axles in the case of a truck and the "spread" of the axles on a multiple axle trailer. If you've heard of a trailer suspension referred to as a three nine, that just means 3 axles 9 feet apart. This used to be popular with steel haulers.
As far as what the DOT does...... well that's a whole new ball game ![]() ![]() |
#17
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There is a kind of explanation on the model magazine forum, scroll down 1/3
and look at the picture. http://www.modelcarsmag.com/forums/t...bius-lonestar/ It's funny to see that nobody or everybody knows what is the right or wrong method is ![]() |
#18
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#19
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I am not trying to spec a truck. Just wondering how and what rules there is out there. I am curious like bigford is |
#20
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"If it were tri drive? I'm not sure. But likely still center of rear two axles".
The wheel base is always measured to the center of the main drive axle suspension. |
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