2012 Western Star 4900 S/N5KJJAEDR6CPBN3068 Detroit DD15 - 505 HP with 18918 18 Speed trans - Current Miles 401391 - We replaced the diffs on this truck at 300489 miles and added full lockers with 3.90 ratio rear ends. We also replaced the head on the engine at 360079 Miles. Reseal Radiator 371865 Miles. Replaced Transmission 344511 Miles.
46k Rear Axles on Airliner Suspension