Claim: The Caterpillar 797F is a 360 short tons (327 t) capacity powertrain haul truck that was first introduced in 1999.
Evidence: The Caterpillar 797F is an off-highway, ultra class, two-axle, mechanical powertrain haul truck developed and manufactured by Caterpillar Inc. in the United States specifically for high production mining and heavy-duty construction applications worldwide. The 797F is the third and current generation model of the 797 series, and is Caterpillar's largest, highest payload capacity haul truck. Caterpillar introduced the 797F to the public at MINExpo International in September, 2008. Caterpillar 797 Series specifications Specification 1999 2002 2008 360 short tons (327 t) 380 short tons (345 t) 400 short tons (363 t)