... 3. Air-condition 4. diesel engine 8.6L CA4250 Heavy Tractor Head high level of safety ,high reliability,more powerful,long ... .00R20.Curb weight 8600kgGross mass 25000kgGross load mass of quasi tractor-trailer 37205kgContour dimensionLength/Width/Height(mm)7300/2495/3060,3560 ... 2011Model J6P ,all steel welded forward, full floating CA4250 Heavy Tractor Head