Over $50000 invested in last couple years. new ac compressor belt and dryer two days old, full pm yesterday, new clutch and rear crank seal couple months ago, new power divider rear end couple months ago, air to air and front crank seal, head cam and four injectors, turbo egr cooler, all brakes and drums on drive axles, I"m sure there is more have paperwork for all repairs. What it will need in future is four drive tires brakes on steer axle and kingpin right steer. ISX Cummins motor, will answer any further questions. believe it runs better now than it ever has, just done being on road.On Jul-09-16 at 19:41:34 PDT, seller added the following information:it does have dpf regeneration system, gears are 3:55 wheelbase is 246. headache rack chains tire chains and inverter included.