Description Overview Four Caterpillar off-highway trucks available: two 775F and two 777F models Caterpillar 775F EPA Trucks One unit: year 2011, 11,800 hours, new engine One unit: year 2009, 10,200 hours, new engine Caterpillar 777F EPA Trucks One unit: year 2010, 8,000 hours One unit: year 2010, 8,400 hours