SAF CBX46 and CBX50 Series air suspension/slider axle system trailers from SAF-Holland feature 5.75-inch-diameter axle technology, increased capacity and cast steel suspension. The CBX46, rated for 46,000 pounds, and CBX50, rated for 50,000 pounds, are available with the SAF Integral air disc brake axle system and optional P89 wheel end package that accommodates up to 2-inch offset wheels. 231/777-8501; www.safholland.com.