The 4x2 tractor can't get the rig moving on a slippery upgrade, so the trailer's powered rear axle provides a boost. Photo: Tom Berg from SAF-Holland video Powered trailer axles are unusual, even in ...
Paccar is taking the next step toward an integrated power train with the launch of a proprietary drive axle optimized for line haul applications. Offering axle ratios of 2.47 to 3.7, Kevin Baney, ...