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
Details
Peterbilt Air Leaf
Suspension details showing hanger and ATRO part PB75-29674.