2012 T660 Kenworth (Melton Trucklines) spec. 644,300 miles 14,200 engine hours. 10 spd direct with 2:64 rears. All emissions replaced in last year, differential replaced August 2017 along with front yoke, ujoint and carrier bearing. Fan hub and belt replaced 12 months ago along with exhaust gas pressure sensor, boost pressure sensor has been replaced,new Pittsburgh power crankshaft balancer and front seal replaced Jan 2017 high pressure fuel pump replaced Feb 2017. New A/C lines put on Feb 2017. Transmission oil changed May 2017, engine oil changed every 20,000 miles and fuel & oil filters. Shell T5 10w 30 oil ran in engine. Non smoker since I owned the truck (2 years), Truck will avg 7 to 7.5 mpg pulling stepdeck or 3 axle rgn running at 62 mph. Truck has not ever been wrecked has a clear title and a rig dig report ran on it. Steer brakes 40%,steer tires 75%,drive axle brakes 80%, drive axle tires 20%. Truck was changed to dual wheels Fromm super singles also has a sliding higher profile fifth wheel. Truck is for sale locally also