Peterbilt 389 60" sleeper glider, powered by a CAT 3406E engine rated at 550 horsepower and paired with an 18-speed manual transmission. It is equipped with a 12,500 lb front axle and 46,000 lb rear axle with 46K air suspension. The rear axle ratio is 3.91 and it includes a Jake brake. It rides on 11R24.5 tires. Contact us for additional information or availability.