PEORIA, IL – Caterpillar is expanding to serve the growing customer base and provide support to the Caterpillar "Genuine Network" of 2,500 authorized service outlets. Caterpillar reached a milestone last year, having shipped more than 1 million on-highway engines between the years of 1995 and 2004. All North American on-highway and commercial product support functions, as well as on-highway engine sales, are being consolidated into an expanded Power Systems North America Department. The original six geographic regions have been expanded to 11 new district teams as part of Power Systems North America. Power Systems will cover truck engine fleet sales and all Caterpillar commercial engine product support. The organization will be comprised of on-highway marketing and OEM sales, engine warranty administration, merchandising program administration, and the truck engine call center.