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Download JPG 3328 × 1996
Saw this bad boy in a local field in Lapeer County, MI.
The truck is an Autocar. Nice setup there.



Here is an excerpt from the MDOT website: [link]


Michigan permits trucks up to 164,000 pounds on the system. However, different than other states, Michigan requires a lower weight per axle which more evenly distributes the load and reduces wear and tear on roads.

MDOT engineers have thoroughly studied this issue and the result of this research is that heavier trucks do not cause a disproportionate amount of damage as long as the weight is evenly distributed over an appropriate number of axles.

Additionally, trucks over 80,000 pounds make up only less than 5% of all trucks operating on our roads. If Michigan were to reduce it's truck weight laws to 80,000 pounds, more damage to the system may occur because of the need to put more trucks on the road. More trucks on the road raise serious questions concerning safety and traffic congestion.

Several other states are currently looking at Michigan's axle weight laws and are considering adopting similar laws.




Here is some interesting info on the popular gearing choices for a "Michigan Special" from this website: [link]


3.55:1s are for folks who like to change out clutches, power dividers and driveshafts. Startability is the biggest issue. Especially with the dirt haulers and loggers.

Most customers of mine go to 4.11:1 if they are running 500+hp and 1850lb/ft torque. Some pile to pile on highway guys will run 3.90:1.
The operations running 450-475hp and 1650lb/ft torque typically use a 4.33:1 with the excavators and operations that mostly run county/state hwys occasionally going to a 4.56:1.

Tractor wheelbases are appx 170" with a set back axle and 179"-190" on the set forward axles. Unless they are runnung a 132" hood at 202" WB.

Transmission: 13, 15(rarely anymore), & 18 Speed. 10 Speeds and 8LLs are only for Straight tri/quad dumps(57k#&70k#) and tri/quad lead trailers at 89k# & 102K# GCVW.

Front Axle: 20,000# Though they can only get about 16,000# on it.
Rears: 46,000# for the 160k combo rating
Frame: 3/8" single or 10/32" with a 1/4" liner



All Rights Reserved. 2012.
Comments welcome

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Submitted on
October 1, 2012
Image Size
3.8 MB
Resolution
3328×1996
Views
410 (2 today)
Favourites
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Camera Data

Make
NIKON CORPORATION
Model
NIKON D60
Shutter Speed
10/3200 second
Aperture
F/9.0
Focal Length
36 mm
ISO Speed
100
Date Taken
September 29, 2012
Software
Ver.1.01
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:iconrlkitterman:
~rlkitterman Mar 3, 2013  Hobbyist Photographer
This looks like it's got more wheels than a train! Where I live, near Washington DC, there are lots of heavy trucks tearing up the roads. Maybe if we had some more "Michigan Specials" our roads wouldn't get worn out so fast.
Reply
:icongrimwrist:
Love trucks! I know that michigan Centipedes and such, have many axles which brings up my question....How are the roads/asphalt handles them?
Reply
:iconeyepilot13:
Mood: Love *eyepilot13 Nov 1, 2012  Hobbyist General Artist
Duh...I just read the info! I love Michigan trucks!
Reply
:iconeyepilot13:
*eyepilot13 Nov 1, 2012  Hobbyist General Artist
Must be Michigan!
Reply
:icondeorse:
*Deorse Oct 11, 2012  Hobbyist General Artist
Now that's a rare sight, there just aren't too many Autocars around anymore.
Reply
:iconblacksand459:
*Blacksand459 Oct 11, 2012  Hobbyist General Artist
I agree. :)
Reply
:iconswiftwindspirit:
~SwiftWindSpirit Oct 4, 2012  Professional General Artist
I'd hate to get in a high speed chase with that!
Reply
:iconblacksand459:
*Blacksand459 Oct 11, 2012  Hobbyist General Artist
Haha! I totally agree!
Reply
:icontoivonnen:
look at all those wheel seals and brakes!!!!!
Reply
:iconblacksand459:
*Blacksand459 Oct 4, 2012  Hobbyist General Artist
Hahaha. Yeah buddy, that is a whole lotta work sitting right there. That's for sure. ;)
Reply
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