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American Axle & Manufacturing Introduces New Exclusive 3.42 PowerDense® Gear Set Designed to Improve Fuel Economy – AAPEX Show Booth #1458

AA&M LogoDetroit, Michigan, October 16, 2007American Axle & Manufacturing (AAM), which is traded as AXL on the NYSE, today announced a new exclusive aftermarket 3.42 PowerDense® gear set for 2003 to 2007 Dodge Ram Heavy Duty 2500/3500 turbo diesel pickups.  2007 Dodge Ram Heavy Duty 2500/3500 Turbo Diesel

The gear set and its technology will be showcased at the Automotive Aftermarket Products Expo (AAPEX), October 31 through November 2.   

AAM Aftermarket now offers Dodge Ram diesel pickup owners the 3.42 ratio gear set as an alternative to the numerically higher ratio gear sets that are currently available.  The lower ratio set reduces engine rpm, which helps improve fuel economy under normal driving conditions which exclude hauling, climbing grades, or pulling a trailer.                

The 3.42 ring and pinion is designed to fit inside the original equipment AAM 9.25-inch front and 11.5-inch rear axles without modifications to the transmission or the truck’s on-board computer.  In pre-2007 pickups the front axle requires a new redesigned differential case along with new side and differential pinion gears.  All 2007 models have the advantage of coming with a factory installed redesigned differential case, side and pinion gears making the installation process easier.  

 AAM PowerDense® Ring and Pinion Gear Sets – AAM utilizes state-of-the-art face hobbing to generate the gear tooth form in a two-cut process.  This represents AAM’s latest effort to enhance NVH, durability, quality and reliability of its ring-and-pinion gear sets.  The key advantage of a two-cut gear set occurs when the components are being hobbed or generated.  Hobbing creates more surface area and equal tooth depth.  This produces lower alternating bending stress levels while creating a more even distribution of loading across all of the teeth.  The results are reduced levels of NVH and increased durability.   Another key advantage of the two-cut process is the use of continuous indexing.  In the manufacturing process the gear teeth are generated simultaneously with uniform tooth spacing and no imperfections.        

Additionally, the two-cut manufacturing process permits tighter backlash specifications between the gear and the pinion.  Backlash is defined as the amount of free play between two gears in their operating positions.  The results are reduced heat, NVH, driveline clunk and increased gear set durability.   Finally, two-cut manufacturing is an environmentally friendly process.  Since the components are dry cut, the presence of a coolant medium at the point of engagement of a tool and a component is eliminated.  Without coolant, no mists or smoke are produced.   

Tough Stuff – AAM PowerDense® gear sets are made from high quality Society of Automotive Engineering (SAE) steel purchased only from approved AAM and OEM steel suppliers.  Special high core hardenability steel is utilized to enhance the design and manufacturing process of the gear sets.   

AAM Ring and Pinion GearMade Even Tougher  – The specified steel also lends itself to precision shot peening which extends the life of AAM PowerDense® gear sets.  In this process spherical shot is targeted at the root of the gear teeth and bombards the surface, resulting in compressive stresses to combat fatigue loading.  The compressive stress increases AAM ring-and-pinion durability and reliability.  AAM parts are also forged, lapped and heat treated to meet OE manufacturers’ stringent standards.  Coordinate Measuring Machines (CMM) are then used to inspect the parts for accuracy.   

AAM – Tough to Beat  AAM engineering teams have advanced the design and manufacturing processes of driveline systems, chassis systems and metal formed products since 1994.  AAM designs, tests and validates its ring and pinion sets to vehicle manufacturers’ exact specifications.  AAM’s on-going programs in NVH, thermal management, vehicle-system efficiency, dynamics and vehicle handling and other disciplines assure customers that the parts they are getting incorporate the latest product, process and systems technology. For more information on AAM gear sets and other products and services, visit the Internet at http://www.aam.com or dial 1-800-299-AXLE.  

About AAM AAM is a world leader in the manufacture, engineering, design and validation of driveline and drivetrain systems and related components and modules, chassis systems and metal-formed products for light trucks, sport utility vehicles and passenger cars. In addition to locations in the United States (in Indiana, Michigan, New York and Ohio), AAM also has offices or facilities in Brazil, China, Germany, India, Japan, Luxembourg, Mexico, Poland, South Korea and the United Kingdom.     

Certain statements contained in this press release which are not historical facts contain forward-looking information with respect to the Company’s plans, projections or future performance, the occurrence of which involves risk and uncertainties that could cause the company’s actual results or plans to differ materially from those expected by the company which include risk factors described in the Company’s filings with the Securities and Exchange Commission. 

For more information…

Renee B. Rogers – Manager, Communications & Media Relations                         

(313) 758-4882                                                                     

Renee.Rogers@aam.com 

Or visit the AAM website at www.aam.com

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October 16, 2007 - Posted by | Automotive

1 Comment »

  1. we are a marine parts supply co. in juae for the last 15 years, supplying spres for detroit diesel engines,cat mtu,emd,cummins etc in this region. looking for reliable prompt quality proucts supplier for our requirements. we had strted a rebuilding unit to meet our customers need.
    rebuilding engines,blowewrs, cylinder heads,injectors and other accessoies. looking for spares for all brand
    engines in competitive price and interested to do business for mutual benefit

    Comment by mondolilnair | October 30, 2007 | Reply


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