Peterbilt Motors Co. has begun production of its proprietary Front Air Leaf Suspension, now available for its Model 384, 386, 388 and 389 trucks Peterbilt Motors Co. has begun production of its ...

For instance, Sobic said, a customer can save about 120 pounds versus 10-5/8-inch frame rails with suspension inserts ... available only for the Peterbilt Model 378 and Model 357.

Rated at 38,000 pounds, the suspension uses a weight-efficient structure ... FLEX Air is available now on Peterbilt models 379, 387, 385, and 378.

Peterbilt Motors Company announces the expanding availability of the proprietary Air Leaf, Low Air Leaf and Air Trac drive axle suspensions to the Model 382. These suspensions provide a smooth ...

a customer can save about 120 pounds versus 10-5/8-inch frame rails with suspension inserts on a Model 379 spec’d with a 220-inch wheelbase and 53-inch overhang. The 11-5/8-inch frame rails were ...