Mack Trucks recently introduced the Mack S852, an 85,000-lb. gross axle weight rating of its proprietary tandem drive axles, which is available for order now.
Kilograms, Pounds, Tridems, Spread Tandems, and Weight Laws
Senior Contributing Editor Tom Berg takes a look at a multi-axle flatbed, and a "split tandem" that's still in his memory.