The D61-24 crawler dozer from Komatsu America Corp. features a 6.8-liter, 168 hp SAA4D107E-3 EPA Tier 4 Final engine and choice between quick-shift, three-speed mode and variable 20-speed customizable transmission. KOMTRAX telematics provide machine metrics, including KDPF status, DEF consumption, fuel level, operating hours, location, cautions and maintenance alerts. The multi-lingual, 7-inch, high-resolution LCD monitor with Ecology Guidance helps operators monitor machine performance. A rear-view monitoring system is standard. 847/437-5800; www.komatsuamerica.com.