Whole or Part Out: 1990 379 Peterbilt Heavy Haul for sale or part out. Has a 3406B engine w/ engine brake (retarder), 15618 18 speed trans. Eaton 461P 44000 lb rears on air trac suspension 3.70 ratio, 22000 lb lift axle, 14600 front axle with assist on right side, Double frame from front to rear. Engine runs perfect. Hood in perfect condition and Cab in fair to good condition. Call or Text Don @ 352-572-6025