2003 Kenworth W900L Sleeper Cummins ISX - 600 HP 18 Speed 12k Front 36K Rears Lift Axle 3.55 Ratio 285" WB All Aluminum Wheels 11R 24.5 F - 60-70% R 70-80% 2 -150 Gallon Fuel Tanks Recent Maintenance with Records Since 2021: Driveline, Front and Rear Diffs, Air Compressor, Flywheel, Fuel Tank, PTO, Exhaust Manifold, 6 Injectors, Cam and Rockers, Pusher Axle