1996 Peterbilt 379 EXHD 3406E Cat at 600 HP 18 SPEED 3:55 REARS FLEX AIR SUSP 2 YRS 300000 ON OVERHAUL 20 SERIES 18 SPEED TRANSMISSION ALSO GONE THROUGH AT SAME TIME TRANSMISSION IS TURNED AROUND BACKWARDS DRIVELINE COMPLETELY GONE THROUGH AND BOTH CARRIER BEARRINGS REPLACED BACKEND OFF OF 2012 PETE PERFECT FLAWLESS STRECH JOB ALSO REBUILT 5TH WHEEL AND NEW RADIATOR NEW BFG 444 DRIVE TIRES AND NEW GOODYEAR STEERS NEW KINGPINS AND SLEEVED AXLE NEW BEARINGS AND RACES 3 MONTHS AGO...