Dana Holding Corp. has been named the standard and exclusive supplier of steer axles, drive axles, and driveshafts for Navistar's new International TerraStar 4x4 medium-duty truck. Dana’s Spicer Model 273 front drive steer axle has a turn angle of 42°, a GAWR (gross axle weight rating) of 8000 lb, and popular axle ratios. The Spicer S110 single reduction, single rear drive axle has a GAWR of 14,000 lb and a maximum highway GCWR (gross combination weight rating) of 35,000 lb. The driveshafts are a mix of Spicer Life Series models: SPL 55 and SPL 100. The driveshafts are permanently lubricated with sealed splines to reduce maintenance and balanced to reduce NVH.