Ferrara’s heavy duty chassis construction 110,000 psi heat treated frame rails with over 2,000,000 RBM Entire frame and running gear assembly is painted high gloss black with optional F-Shield corrosion inhibitor available Polished 10-gauge x 12” high stainless steel bumper or optional Extreme Duty 3/8” thick painted steel bumper Bulkhead connectors are used to pass air brake hoses and hydraulic lines through the frame rails Three air brake reservoirs with 5100 cubic inch capacity Front axle ratings available up to 23,000 pounds with Ferrara’s standard parabolic suspension for smooth ride Rear axle ratings available up to 33,000 pounds with a single or up to 54,000 with a tandem Durable powertrain Cummins ISL9, 330 to 450 horsepower Allison 3000 EVS automatic transmission Large 1400 square inch radiator and 888 square inch charge air cooler Spicer drivelines, assembled and spin balanced at Ferrara’s factory Stainless steel exhaust with heat wrap Proven, reliable, electrical system Multiplex or point to point wiring Dash panel designed to accommodate display screen Three or Six Group 31 batteries Batteries are installed in 7-gauge stainless steel trays with hinged stainless steel hold down 270 to 420 amp alternator