Machine description: 6 Cylinder Diesel Engine, Automatic Transmission, 13220 lb Front Axle, 40000 lb Rears, 53220.0 lb GVWR, Hendrickson RT/RTE Series Suspension, 196 in Wheelbase, 4000 gal Tank, PTO Driven Pump, Rear Spr... more info about the 1999 Freightliner FL80.