Quote:
Originally Posted by elvinjijo
Can someone please explain to me why some heavy duty trucks, such as dump trucks or garbage trucks, have those tires that don't touch the ground? It annoys me when I see it. I realize that the extra axels are for when the trucks are a carrying heavier loads then normal, but why are the tires just hang there in the air instead on on the ground? Is it to save wear and tear on the tires?
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You are correct, sir. They suck the unneeded tires up off of the ground when not needed because of a light load. This saves unnecessary wear and tear on these tires, because they do scrub as the truck makes turns. 
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2011 Nitro Heat 4x4: Bright Silver Metallic, Dark Slate Gray; Customer Preferred Package 24C; Trailer Tow Group; Hood-to-Fender Stripes; Navus 2; Uconnect.
MODS: S/S Nerf Bars; Mopar Chrome Rear License Plate Brow, Chrome Exterior Package, Production Style Cross Bars, Deluxe Molded Splash Guards, Cargo Security Cover, Door Sills & 3.7L Emblem; Media Center 230; Kicker Speakers; Carbon Fiber Dash Kit.
FUTURE MODS: Mopar CAI, Pedal Kit; Heated Katzkin Leather. 
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