2000 Kenworth W900L, ISX 600 cummins, RTLO20918B, DSH40 diffs 3.90 ratio, new virgin drive tires, steers and lift axle are at 70%, new brakes and drums on steer, 60% to 70% brakes on drives, trans replaced 50k miles ago and diffs rebuilt around the same time, good truck ready to go to work. Also have a set of 3.36 gears for diffs.