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 proprietary Front Air Leaf Suspension, now available for its Model 384, 386, 388 and 389 trucks. According to the OEM, the front suspension will provide a 20% ride improvement while maintaining the roll stiffness and handling performance of a taperleaf suspension.
Peterbilt said additional features include a front spring design with a wide, flat, lower leaf for good lateral stiffness and control; a stout upper leaf for improved roll stability and handling; a reduction of 26 lbs. compared to taperleaf suspensions; compatibility with air disc or drum brakes; and suspension weight capacity ratings from 12,000 to 13,200 lbs.
“The new Peterbilt Front Air Leaf Suspension provides numerous benefits to the end customer resulting from a reduction of road inputs to the cab, chassis and powertrain which extends component life cycles,” said Landon Sproull, Peterbilt chief engineer. “The suspension’s advanced design features shackle configurations that are common with today’s taperleaf suspensions and proven maintenance-free rubber bushed spring pins to reduce maintenance.”
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