1974 Kenworth W900A newer 855 Cummins engine. Has a 15 double over transmission. Rear brakes and wheel seals 2 years ago. Pt pump work, new drag link,/new steer tires, new slack adjusters. Oil and filters changed regularly. Batteries are 2 years old. Installed a power cut off switch. New starter 2 years ago. 2 or 3 brake chambers have been replaced on rear axles. New proportioning valve. King pins are fine.. I have another full set of slack adjusters for it. I also have a new turn signal assembly and signal stat relay. New heater blower motor.