Unit 47278 (U175820) listed by iSellPro, for sale by Peterbilt of Norfolk - (W900B) 2007 KENWORTH W900B TANDEM AXLE SLEEPER FOR SALE IN NEBRASKA :: www.isellpro.com - Kenworth W900B for Sale Engine: CUMMINS ISX 500 HP Transmission: 13 Spd. Axles: Tandem Suspension: Low Air Rear Ratio: 3.55