Quadrasteer is the name of a

four wheel steering Steering is a system of components, linkages, and other parts that allows a driver to control the direction of the vehicle. Introduction The most conventional steering arrangement allows a driver to turn the front wheels of a vehicle using ...

system developed by

Delphi Automotive Aptiv PLC is an Irish-American automotive technology supplier with headquarters in Dublin. Aptiv grew out of the now-defunct American company, Delphi Automotive Systems, which itself was formerly a component of General Motors. History The com ...

while under the ownership of

General Motors The General Motors Company (GM) is an American Multinational corporation, multinational Automotive industry, automotive manufacturing company headquartered in Detroit, Michigan, United States. It is the largest automaker in the United States and ...

for use in automobiles. It was available as an option on GM's full-size pickup trucks and 2500 Suburbans for model years 2002 through 2005. The system enables the vehicle to turn tighter. It was initially a $7,000 option. The cost was lowered to $5,600, $2,000 and eventually $1,000 in order to boost sales. The steering system was popular for applications frequently towing boats,

fifth wheel The fifth-wheel coupling provides the link between a semi-trailer and the towing truck, tractor unit, leading trailer or dolly. The coupling consists of a kingpin, a vertical steel pin protruding from the bottom of the front of the semi-tr ...

s, or other large equipment.{{Cite web, url=https://www.thecarconnection.com/news/1111315_rear-wheel-steering-could-radically-change-pickup-trucks-and-suvs, title=Rear-wheel steering could radically change pickup trucks and SUVs, last=Andrew Ganz Senior Editor, website=The Car Connection, language=en, access-date=2019-03-27

Mechanics

The system was primarily used on pickup trucks. At lower speeds, it turns in opposite direction of the forward wheels to a maximum of 15°, or 12° in trailer mode, decreasing the turning radius as much as 21%. At higher speeds the system will turn the rear wheels slightly in the direction of the front wheels so as to increase stability and control. The rear axle is based on the

Dana 60 The Dana/Spicer Model 60 is an automotive axle manufactured by Dana Holding Corporation and used in OEM pickup and limited passenger car applications by Chevrolet, Dodge, Chrysler, Jeep, Ford and Land Rover. There are front and rear versions of t ...

axle. Vehicles that offered the upgrade include: * Chevrolet Silverado / GMC Sierra models * Chevrolet Suburban / GMC Yukon XL

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GMC Sierra commercialSilverado 1500 commercial
Automotive steering technologies Chevrolet GMC (automobile)

Mechanics

See also

References

External links