1990 PETERBILT 320 HYDROVAC Style: 6X4 2dr Regular Cab, Engine: Caterpillar 3306 10.5L I6 245-300hp 775-1150ft. lbs. STARTS. 53424 MILES. VACTOR 2100 SERIES HYDROVAC SYSTEM. HENDRICKS HEAVY DUTY SUSPENSION.ITEM# 18211 Make: Peterbilt Model: 320 Year: 1990 VIN: 1XPZLA0X9LD704632