Product Report:
Digital edition  EquipmentWorld.com  January 2010 D5 PRODUCT REPORT by Kerry Clines Caterpillar F-Series mining truck F-Series mining trucks log more than 75,000 hours of fi eld testing C aterpillar's F-Series mechanical drive large mining trucks  the 793F (shown) and 797F  have ac-cumulated more than 75,000 hours of fi eld testing. In addition, Cat is also prototype testing the 795F AC electric drive truck, which will represent a new size class for Caterpillar. The trucks feature the Cat C175 Tier 216-cylinder diesel engine, which Cat says offers longer life between rebuilds, lower sound levels, improved altitude capabil-ity, and improved fuel consumption compared to the 3500 Series engines it replaces. The 793F boasts a faster speed on grade to deliver 5 to 10 percent more productivity than the 793D. The new cab features enhanced ergonomics and easy-to-access controls for improved operator comfort and increased effi ciency. The new class size of the 795F AC offers customers more options by fi lling the gap between Cat's large and small haul trucks. Four-corner blended retarding allows safe, fast downhill speeds, increasing operator confi -dence and machine control. Ground-level access allows easier servicing and improved safety on the 797F. The truck's increased horsepower provides a faster top speed to shorten cycle times and increase productivity. EW Truck Specifi cations 793F 795F AC 797F Engine C175-16 C175-16 C175-20 Power 2,650 hp 3,400 hp 4,000 hp Displacement 5,187 cubic inches 2,187 cubic inches 6,469 cubic inches Empty operating weight 329,220-375,000 lbs. 535,300-570,300 lbs. 555,560-617.913 lbs. Gross operating weight 851,000 pounds 1,257,000 pounds 1,375,000 pounds Nominal payload 250 tons 345 tons 400 tons Weight distribution (empty) 52 percent 52 percent 56 percent Weight distribution (loaded) 67 percent 67 percent 67 percent Top speed (loaded) 37 mph 40 mph 42 mph Cat PR.indd 5 12/22/09 1:43 PM