Prev Next Peterbilt — Air Leaf Description This air suspension has a maximum capacity rating of 40,000 pounds. This suspension, like the Low Mount Air Leaf, does not have lower radius rods like those found on the Air Trac. The air bags are supported on a paddle. Peterbilt Air Leaf Fast Facts Peterbilt — Air Leaf Type Air suspension with maximum capacity rating of 40,000 pounds Features The air bags are supported on a paddle. Problem Areas ATRO Solutions Tech Tips and Additional Resources The eye casting that is bolted on the spring houses the pivot bushing (ATRO’s PB75-29674: OE#03-04059) PB75-29674 is a spring eye bushing service kit that has bushings, sleeve, washers and hardware. The polyurethane components within this kit are PL1076 and PL1075 (2 per kit) and are also available separately. (PB75-29674 is ½" longer than the original design Low Mount Air Leaf version, PB75-29101.) Tech Guidelines bulletin TG103009 outlines recommended installation sequence for PB75-29674. ATRO Torque Rod TR75-41059 (OE# 03-04059 or C65-6013): Rebushable (OE standard is non-rebushable; rebushable OE options are available) Rotating pin for easy installation Chemically resistant proprietary polyurethane Heavy-duty bushing – the OE standard bushing is a smaller outer diameter. The ATRO solution is a more robust bushing (TS38000, 2 ¾" OD), there is no clearance issue with the change Rebushing an OE rod: Use ATRO’s TS34000 (2 17/32" OD) Swipe table right for columns. Mfg Rod Bushing Dimension Rebushable Rotating ATRO TR75-41059 1 1/4" O.D. TS38000 (2 3/4") Yes Yes OE #03-04059 1 1/8" O.D. TS34000 (2 17/32") Varies No Wear Items Spring eye pivot bushing Torque rod/torque rod bushings Key Parts Air Leaf Bushing PL1075 All Products Air Leaf Bushing Kit PB75-29674 All Products Beam End Washer PL1076 All Products Torque Rod TR75-41059 All Products Torque Rod Bushing TS34000 All Products Shock Bushing PL1026 All Products Details Peterbilt Air Leaf Suspension details showing hanger and ATRO part PB75-29674. Prev Next