Equipment

Engine maker Cummins Inc. and component manufacturer Eaton Corp. unveiled a new powertrain package for the North American heavy-duty truck market that they said will boost fuel economy by 3% to 6%.

Accuride Corp. posted a $156.5 million fourth-quarter loss, citing a charge related to its Gunite division.

Truck makers and suppliers say they will be among the industries hardest hit by a new federal rule that could cost U.S. businesses nearly $8 billion to search out and shed “conflict minerals” originating from central Africa.

Component supplier Commercial Vehicle Group said Friday that CEO Mervin Dunn will retire this year but will remain in the post until a successor is appointed.

Vehicle parts manufacturer Visteon Corp. posted a fourth-quarter profit, improving upon the loss it experienced during the same time in 2011.

Eaton Corp. said Wednesday its board has approved an 11% increase in its quarterly cash dividend.

Ritchie Bros. Auctioneers said its fourth-quarter profit slipped from a year ago to $22.1 million, or 21 cents per share, from $26.8 million, or 25 cents, a year ago.

Cooper Tire and Rubber Co. said it posted a lower fourth-quarter profit and a lower full-year income.

Every month or so, Dustin Stricker, the maintenance manager at R.E. West Transportation in Ashland City, Tenn., sits down with representatives from South Carolina-based Michelin North America and the local Tire Centers in Nashville to do autopsies on truck tires.

Truck and auto component maker Dana Holding Corp. said Thursday its fourth-quarter profit rose from a year ago, though its revenue declined.